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Sno	Questions	Answer	Date	Status	Actions
1	How do you create a variable in Python?	variable_name = value	2024-09-03	Deactivate		Edit	Delete
2	How do you print a statement in Python?	print("Hello, World!")	2024-09-03	Deactivate		Edit	Delete
3	How do you declare a variable in Java?	int myVar = 10;	2024-09-03	Deactivate		Edit	Delete
4	How do you write a for loop in Python?	for i in range(10): print(i)	2024-09-03	Deactivate		Edit	Delete
5	How do you write a for loop in Java?	for(int i = 0; i < 10; i++) { System.out.println(i); }	2024-09-03	Deactivate		Edit	Delete
6	How do you define a function in Python?	def my_function():	2024-09-03	Deactivate		Edit	Delete
7	How do you define a method in Java?	public void myMethod() { }	2024-09-03	Deactivate		Edit	Delete
8	How do you handle exceptions in Python?	try: # code except: # handle exception	2024-09-03	Deactivate		Edit	Delete
9	How do you handle exceptions in Java?	try { // code } catch(Exception e) { // handle exception }	2024-09-03	Deactivate		Edit	Delete
10	How do you concatenate strings in Python?	string1 + string2	2024-09-03	Deactivate		Edit	Delete
11	How do you concatenate strings in Java?	String result = string1 + string2;	2024-09-03	Deactivate		Edit	Delete
12	How do you comment a line in Python?	# This is a comment	2024-09-03	Deactivate		Edit	Delete
13	How do you comment a line in Java?	// This is a comment	2024-09-03	Deactivate		Edit	Delete
14	How do you write a multi-line comment in Python?	"""This is a multi-line comment"""	2024-09-03	Deactivate		Edit	Delete
15	How do you write a multi-line comment in Java?	/* This is a multi-line comment */	2024-09-03	Deactivate		Edit	Delete
16	How do you import a module in Python?	import module_name	2024-09-03	Deactivate		Edit	Delete
17	How do you import a package in Java?	import package.name.ClassName;	2024-09-03	Deactivate		Edit	Delete
18	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-03	Deactivate		Edit	Delete
19	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-03	Deactivate		Edit	Delete
20	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-03	Deactivate		Edit	Delete
21	How do you create a HashMap in Java?	HashMap map = new HashMap<>();	2024-09-03	Deactivate		Edit	Delete
22	How do you write a conditional statement in Python?	if condition: # code	2024-09-03	Deactivate		Edit	Delete
23	How do you write a conditional statement in Java?	if (condition) { // code }	2024-09-03	Deactivate		Edit	Delete
24	How do you write an else-if statement in Python?	elif condition: # code	2024-09-03	Deactivate		Edit	Delete
25	How do you write an else-if statement in Java?	else if (condition) { // code }	2024-09-03	Deactivate		Edit	Delete
26	How do you define a class in Python?	class MyClass:	2024-09-03	Deactivate		Edit	Delete
27	How do you define a class in Java?	public class MyClass { }	2024-09-03	Deactivate		Edit	Delete
28	How do you create an object in Python?	obj = MyClass()	2024-09-03	Deactivate		Edit	Delete
29	How do you create an object in Java?	MyClass obj = new MyClass();	2024-09-03	Deactivate		Edit	Delete
30	How do you write a while loop in Python?	while condition: # code	2024-09-03	Deactivate		Edit	Delete
31	How do you write a while loop in Java?	while (condition) { // code }	2024-09-03	Deactivate		Edit	Delete
32	How do you exit a loop in Python?	break	2024-09-03	Deactivate		Edit	Delete
33	How do you exit a loop in Java?	break;	2024-09-03	Deactivate		Edit	Delete
34	How do you continue to the next iteration of a loop in Python?	continue	2024-09-03	Deactivate		Edit	Delete
35	Write a Hello World Program in C++	#include int main() { // Print "Hello, World!" to the console std::cout << "Hello, World!" << std::endl; return 0; }	9-8-2023	Activate		Edit	Delete
36	Write the Factorial Program in C++	Factorial Program Here	14-03-2024	Activate		Edit	Delete
37	hello world program in c++	#include int main() { std::cout << "Hello, World!" << std::endl; return 0; }	18-03-2024	Activate		Edit	Delete
38	User subtraction of a-b in c++	#include int main() { // Define variables a and b int a = 10; int b = 5; // Subtract b from a int result = a - b; // Output the result std::cout << "The result of a - b is: " << result << std::endl; return 0; }	18-03-2024	Activate		Edit	Delete
39	How do you define a constant in Python?	MY_CONSTANT = 10	2024-09-03	Deactivate		Edit	Delete
40	How do you define a constant in Java?	static final int MY_CONSTANT = 10;	2024-09-03	Deactivate		Edit	Delete
41	How do you find the length of a list in Python?	len(my_list)	2024-09-03	Deactivate		Edit	Delete
42	How do you find the length of an array in Java?	myArray.length;	2024-09-03	Deactivate		Edit	Delete
43	How do you convert a string to an integer in Python?	int("123")	2024-09-03	Deactivate		Edit	Delete
44	How do you convert a string to an integer in Java?	Integer.parseInt("123");	2024-09-03	Deactivate		Edit	Delete
45	How do you reverse a string in Python?	my_string[::-1]	2024-09-03	Deactivate		Edit	Delete
46	How do you reverse a string in Java?	new StringBuilder(myString).reverse().toString();	2024-09-03	Deactivate		Edit	Delete
47	How do you check if a list is empty in Python?	if not my_list:	2024-09-03	Deactivate		Edit	Delete
48	How do you check if an array is empty in Java?	if (myArray.length == 0) { }	2024-09-03	Deactivate		Edit	Delete
49	How do you create a tuple in Python?	my_tuple = (1, 2, 3)	2024-09-03	Deactivate		Edit	Delete
50	How do you create an immutable list in Java?	List myList = List.of("a", "b", "c");	2024-09-03	Deactivate		Edit	Delete
51	How do you convert a list to a set in Python?	my_set = set(my_list)	2024-09-03	Deactivate		Edit	Delete
52	How do you convert a list to a set in Java?	Set mySet = new HashSet<>(myList);	2024-09-03	Deactivate		Edit	Delete
53	How do you create a function with default arguments in Python?	def my_func(a, b=10):	2024-09-03	Deactivate		Edit	Delete
54	How do you create an overloaded method in Java?	public void myMethod(int a) { } public void myMethod(String b) { }	2024-09-03	Deactivate		Edit	Delete
55	How do you sort a list in Python?	my_list.sort()	2024-09-03	Deactivate		Edit	Delete
56	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-03	Deactivate		Edit	Delete
57	How do you convert a list to a string in Python?	my_str = ",".join(my_list)	2024-09-03	Deactivate		Edit	Delete
58	How do you convert an array to a string in Java?	String str = Arrays.toString(myArray);	2024-09-03	Deactivate		Edit	Delete
59	How do you remove duplicates from a list in Python?	my_list = list(set(my_list))	2024-09-03	Deactivate		Edit	Delete
60	How do you remove duplicates from a list in Java?	List myList = new ArrayList<>(new HashSet<>(list));	2024-09-03	Deactivate		Edit	Delete
61	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-03	Deactivate		Edit	Delete
62	How do you read a file in Java?	BufferedReader reader = new BufferedReader(new FileReader("file.txt"));	2024-09-03	Deactivate		Edit	Delete
63	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, World!")	2024-09-03	Deactivate		Edit	Delete
64	How do you write to a file in Java?	BufferedWriter writer = new BufferedWriter(new FileWriter("file.txt")); writer.write("Hello, World!");	2024-09-03	Deactivate		Edit	Delete
65	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-03	Deactivate		Edit	Delete
66	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-03	Deactivate		Edit	Delete
67	How do you define a class in Python?	class MyClass:	2024-09-03	Deactivate		Edit	Delete
68	How do you define a class in Java?	public class MyClass { }	2024-09-03	Deactivate		Edit	Delete
69	How do you inherit a class in Python?	class MySubClass(MyClass):	2024-09-03	Deactivate		Edit	Delete
70	How do you inherit a class in Java?	class MySubClass extends MyClass { }	2024-09-03	Deactivate		Edit	Delete
71	How do you create an object in Python?	obj = MyClass()	2024-09-03	Deactivate		Edit	Delete
72	How do you create an object in Java?	MyClass obj = new MyClass();	2024-09-03	Deactivate		Edit	Delete
73	How do you check the type of a variable in Python?	type(var)	2024-09-03	Deactivate		Edit	Delete
74	How do you check the type of a variable in Java?	var.getClass().getName();	2024-09-03	Deactivate		Edit	Delete
75	How do you generate random numbers in Python?	import random; random_number = random.randint(1, 10)	2024-09-03	Deactivate		Edit	Delete
76	How do you generate random numbers in Java?	import java.util.Random; Random rand = new Random(); int random_number = rand.nextInt(10);	2024-09-03	Deactivate		Edit	Delete
77	How do you reverse a list in Python?	my_list.reverse()	2024-09-03	Deactivate		Edit	Delete
78	How do you reverse an array in Java?	Collections.reverse(Arrays.asList(myArray));	2024-09-03	Deactivate		Edit	Delete
79	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-03	Deactivate		Edit	Delete
80	How do you create a HashMap in Java?	HashMap map = new HashMap<>();	2024-09-03	Deactivate		Edit	Delete
81	How do you convert a string to uppercase in Python?	my_str.upper()	2024-09-03	Deactivate		Edit	Delete
82	How do you convert a string to uppercase in Java?	myStr.toUpperCase();	2024-09-03	Deactivate		Edit	Delete
83	How do you check if a string contains a substring in Python?	"substring" in my_str	2024-09-03	Deactivate		Edit	Delete
84	How do you check if a string contains a substring in Java?	myStr.contains("substring");	2024-09-03	Deactivate		Edit	Delete
85	How do you split a string in Python?	my_str.split(",")	2024-09-03	Deactivate		Edit	Delete
86	How do you split a string in Java?	myStr.split(",");	2024-09-03	Deactivate		Edit	Delete
87	How do you concatenate strings in Python?	full_str = str1 + str2	2024-09-03	Deactivate		Edit	Delete
88	How do you concatenate strings in Java?	String fullStr = str1 + str2;	2024-09-03	Deactivate		Edit	Delete
89	How do you format a string in Python?	formatted_str = f"Hello, {name}"	2024-09-03	Deactivate		Edit	Delete
90	How do you format a string in Java?	String formattedStr = String.format("Hello, %s", name);	2024-09-03	Deactivate		Edit	Delete
91	How do you check if a number is even in Python?	if num % 2 == 0:	2024-09-03	Deactivate		Edit	Delete
92	How do you check if a number is even in Java?	if (num % 2 == 0) { }	2024-09-03	Deactivate		Edit	Delete
93	How do you define a lambda function in Python?	lambda x: x + 2	2024-09-03	Deactivate		Edit	Delete
94	How do you define a lambda expression in Java?	x -> x + 2	2024-09-03	Deactivate		Edit	Delete
95	How do you filter a list in Python?	filtered_list = list(filter(lambda x: x > 10, my_list))	2024-09-03	Deactivate		Edit	Delete
96	How do you filter a list in Java?	List filteredList = myList.stream().filter(x -> x > 10).collect(Collectors.toList());	2024-09-03	Deactivate		Edit	Delete
97	How do you map a function over a list in Python?	mapped_list = list(map(lambda x: x * 2, my_list))	2024-09-03	Deactivate		Edit	Delete
98	How do you map a function over a list in Java?	List mappedList = myList.stream().map(x -> x * 2).collect(Collectors.toList());	2024-09-03	Deactivate		Edit	Delete
99	How do you sum elements of a list in Python?	total = sum(my_list)	2024-09-03	Deactivate		Edit	Delete
100	How do you sum elements of a list in Java?	int sum = myList.stream().mapToInt(Integer::intValue).sum();	2024-09-03	Deactivate		Edit	Delete
101	How do you check if a list contains an element in Python?	if "element" in my_list:	2024-09-03	Deactivate		Edit	Delete
102	How do you check if a list contains an element in Java?	if (myList.contains("element")) { }	2024-09-03	Deactivate		Edit	Delete
103	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-03	Deactivate		Edit	Delete
104	How do you find the maximum value in a list in Java?	int max = Collections.max(myList);	2024-09-03	Deactivate		Edit	Delete
105	How do you find the minimum value in a list in Python?	min_value = min(my_list)	2024-09-03	Deactivate		Edit	Delete
106	How do you find the minimum value in a list in Java?	int min = Collections.min(myList);	2024-09-03	Deactivate		Edit	Delete
107	How do you create a list of numbers in Python?	my_list = list(range(1, 11))	2024-09-03	Deactivate		Edit	Delete
108	How do you create a list of numbers in Java?	List myList = IntStream.range(1, 11).boxed().collect(Collectors.toList());	2024-09-03	Deactivate		Edit	Delete
109	How do you shuffle a list in Python?	import random; random.shuffle(my_list)	2024-09-03	Deactivate		Edit	Delete
110	How do you shuffle a list in Java?	Collections.shuffle(myList);	2024-09-03	Deactivate		Edit	Delete
111	How do you create a set in Python?	my_set = {1, 2, 3}	2024-09-03	Deactivate		Edit	Delete
112	How do you create a set in Java?	Set mySet = new HashSet<>();	2024-09-03	Deactivate		Edit	Delete
113	How do you create a list comprehension in Python?	[x * 2 for x in my_list]	2024-09-03	Deactivate		Edit	Delete
114	How do you implement a for-each loop in Java?	for (int num : myList) { }	2024-09-03	Deactivate		Edit	Delete
115	How do you create a function in Python?	def my_function():	2024-09-03	Deactivate		Edit	Delete
116	How do you create a function in JavaScript?	function myFunction() { }	2024-09-03	Deactivate		Edit	Delete
117	How do you create a function in Java?	public void myFunction() { }	2024-09-03	Deactivate		Edit	Delete
118	How do you return a value from a function in Python?	return value	2024-09-03	Deactivate		Edit	Delete
119	How do you return a value from a function in JavaScript?	return value;	2024-09-03	Deactivate		Edit	Delete
120	How do you return a value from a function in Java?	return value;	2024-09-03	Deactivate		Edit	Delete
121	How do you create a variable in Python?	variable_name = value	2024-09-03	Deactivate		Edit	Delete
122	How do you create a variable in JavaScript?	let variableName = value;	2024-09-03	Deactivate		Edit	Delete
123	How do you create a variable in Java?	int myVariable = value;	2024-09-03	Deactivate		Edit	Delete
124	How do you declare a constant in Python?	MY_CONSTANT = value	2024-09-03	Deactivate		Edit	Delete
125	How do you declare a constant in JavaScript?	const MY_CONSTANT = value;	2024-09-03	Deactivate		Edit	Delete
126	How do you declare a constant in Java?	static final int MY_CONSTANT = value;	2024-09-03	Deactivate		Edit	Delete
127	How do you create an array in Python?	my_array = [1, 2, 3]	2024-09-03	Deactivate		Edit	Delete
128	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-03	Deactivate		Edit	Delete
129	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-03	Deactivate		Edit	Delete
130	How do you iterate over a list in Python?	for item in my_list: print(item)	2024-09-03	Deactivate		Edit	Delete
131	How do you iterate over an array in JavaScript?	for(let i = 0; i < myArray.length; i++) { console.log(myArray[i]); }	2024-09-03	Deactivate		Edit	Delete
132	How do you iterate over an array in Java?	for(int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); }	2024-09-03	Deactivate		Edit	Delete
133	How do you sort a list in Python?	my_list.sort()	2024-09-03	Deactivate		Edit	Delete
134	How do you sort an array in JavaScript?	myArray.sort();	2024-09-03	Deactivate		Edit	Delete
135	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-03	Deactivate		Edit	Delete
136	How do you find the length of a list in Python?	len(my_list)	2024-09-03	Deactivate		Edit	Delete
137	How do you find the length of an array in JavaScript?	myArray.length	2024-09-03	Deactivate		Edit	Delete
138	How do you find the length of an array in Java?	myArray.length	2024-09-03	Deactivate		Edit	Delete
139	How do you check if a list is empty in Python?	if not my_list:	2024-09-03	Deactivate		Edit	Delete
140	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { }	2024-09-03	Deactivate		Edit	Delete
141	How do you check if an array is empty in Java?	if (myArray.length == 0) { }	2024-09-03	Deactivate		Edit	Delete
142	How do you concatenate strings in Python?	result = "Hello" + " " + "World"	2024-09-03	Deactivate		Edit	Delete
143	How do you concatenate strings in JavaScript?	let result = "Hello" + " " + "World";	2024-09-03	Deactivate		Edit	Delete
144	How do you concatenate strings in Java?	String result = "Hello" + " " + "World";	2024-09-03	Deactivate		Edit	Delete
145	How do you convert a string to uppercase in Python?	my_string.upper()	2024-09-03	Deactivate		Edit	Delete
146	How do you convert a string to uppercase in JavaScript?	myString.toUpperCase();	2024-09-03	Deactivate		Edit	Delete
147	How do you convert a string to uppercase in Java?	myString.toUpperCase();	2024-09-03	Deactivate		Edit	Delete
148	How do you convert a string to lowercase in Python?	my_string.lower()	2024-09-03	Deactivate		Edit	Delete
149	How do you convert a string to lowercase in JavaScript?	myString.toLowerCase();	2024-09-03	Deactivate		Edit	Delete
150	How do you convert a string to lowercase in Java?	myString.toLowerCase();	2024-09-03	Deactivate		Edit	Delete
151	How do you check if a string contains a substring in Python?	'substring' in my_string	2024-09-03	Deactivate		Edit	Delete
152	How do you check if a string contains a substring in JavaScript?	myString.includes("substring");	2024-09-03	Deactivate		Edit	Delete
153	How do you check if a string contains a substring in Java?	myString.contains("substring");	2024-09-03	Deactivate		Edit	Delete
154	How do you replace a substring in Python?	my_string.replace("old", "new")	2024-09-03	Deactivate		Edit	Delete
155	How do you replace a substring in JavaScript?	myString.replace("old", "new");	2024-09-03	Deactivate		Edit	Delete
156	How do you replace a substring in Java?	myString.replace("old", "new");	2024-09-03	Deactivate		Edit	Delete
157	How do you split a string in Python?	my_string.split(" ")	2024-09-03	Deactivate		Edit	Delete
158	How do you split a string in JavaScript?	myString.split(" ");	2024-09-03	Deactivate		Edit	Delete
159	How do you split a string in Java?	myString.split(" ");	2024-09-03	Deactivate		Edit	Delete
160	How do you join a list of strings in Python?	" ".join(my_list)	2024-09-03	Deactivate		Edit	Delete
161	How do you join an array of strings in JavaScript?	myArray.join(" ");	2024-09-03	Deactivate		Edit	Delete
162	How do you join an array of strings in Java?	String.join(" ", myArray);	2024-09-03	Deactivate		Edit	Delete
163	How do you convert a string to a list in Python?	list(my_string)	2024-09-03	Deactivate		Edit	Delete
164	How do you convert a string to an array in JavaScript?	myString.split("");	2024-09-03	Deactivate		Edit	Delete
165	How do you convert a string to a char array in Java?	myString.toCharArray();	2024-09-03	Deactivate		Edit	Delete
166	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-03	Deactivate		Edit	Delete
167	How do you create an object in JavaScript?	let myObject = {"key": "value"};	2024-09-03	Deactivate		Edit	Delete
168	How do you access a value in a dictionary in Python?	my_dict["key"]	2024-09-03	Deactivate		Edit	Delete
169	How do you create a dictionary in Python?	my_dict = {"key1": "value1", "key2": "value2"}	2024-09-03	Deactivate		Edit	Delete
170	How do you create an object in JavaScript?	let myObject = {key1: "value1", key2: "value2"};	2024-09-03	Deactivate		Edit	Delete
171	How do you access a value in a Python dictionary?	value = my_dict["key1"]	2024-09-03	Deactivate		Edit	Delete
172	How do you access a value in a JavaScript object?	let value = myObject.key1;	2024-09-03	Deactivate		Edit	Delete
173	How do you check if a key exists in a Python dictionary?	if "key1" in my_dict:	2024-09-03	Deactivate		Edit	Delete
174	How do you check if a key exists in a JavaScript object?	if ("key1" in myObject) { }	2024-09-03	Deactivate		Edit	Delete
175	How do you add a new key-value pair to a Python dictionary?	my_dict["new_key"] = "new_value"	2024-09-03	Deactivate		Edit	Delete
176	How do you add a new key-value pair to a JavaScript object?	myObject.newKey = "newValue";	2024-09-03	Deactivate		Edit	Delete
177	How do you delete a key-value pair from a Python dictionary?	del my_dict["key1"]	2024-09-03	Deactivate		Edit	Delete
178	How do you delete a key-value pair from a JavaScript object?	delete myObject.key1;	2024-09-03	Deactivate		Edit	Delete
179	How do you iterate over keys in a Python dictionary?	for key in my_dict:	2024-09-03	Deactivate		Edit	Delete
180	How do you iterate over keys in a JavaScript object?	for (let key in myObject) { }	2024-09-03	Deactivate		Edit	Delete
181	How do you create a set in Python?	my_set = {1, 2, 3}	2024-09-03	Deactivate		Edit	Delete
182	How do you check if an element exists in a Python set?	if 1 in my_set:	2024-09-03	Deactivate		Edit	Delete
183	How do you find the length of a Python set?	len(my_set)	2024-09-03	Deactivate		Edit	Delete
184	How do you add an element to a Python set?	my_set.add(4)	2024-09-03	Deactivate		Edit	Delete
185	How do you remove an element from a Python set?	my_set.remove(3)	2024-09-03	Deactivate		Edit	Delete
186	How do you create a tuple in Python?	my_tuple = (1, 2, 3)	2024-09-03	Deactivate		Edit	Delete
187	How do you access an element in a Python tuple?	element = my_tuple[0]	2024-09-03	Deactivate		Edit	Delete
188	How do you iterate over elements in a Python tuple?	for element in my_tuple:	2024-09-03	Deactivate		Edit	Delete
189	How do you convert a list to a tuple in Python?	my_tuple = tuple(my_list)	2024-09-03	Deactivate		Edit	Delete
190	How do you convert a tuple to a list in Python?	my_list = list(my_tuple)	2024-09-03	Deactivate		Edit	Delete
191	How do you create a function with default parameters in Python?	def my_function(a, b=10):	2024-09-03	Deactivate		Edit	Delete
192	How do you create a function with default parameters in JavaScript?	function myFunction(a, b = 10) { }	2024-09-03	Deactivate		Edit	Delete
193	How do you define an anonymous function in Python?	lambda x: x + 1	2024-09-03	Deactivate		Edit	Delete
194	How do you define an anonymous function in JavaScript?	let myFunction = function(x) { return x + 1; };	2024-09-03	Deactivate		Edit	Delete
195	How do you create a class in Python?	class MyClass:	2024-09-03	Deactivate		Edit	Delete
196	How do you create a class in JavaScript?	class MyClass { constructor() { } }	2024-09-03	Deactivate		Edit	Delete
197	How do you create a class in Java?	public class MyClass { }	2024-09-03	Deactivate		Edit	Delete
198	How do you create an instance of a class in Python?	my_instance = MyClass()	2024-09-03	Deactivate		Edit	Delete
199	How do you create an instance of a class in JavaScript?	let myInstance = new MyClass();	2024-09-03	Deactivate		Edit	Delete
200	How do you create an instance of a class in Java?	MyClass myInstance = new MyClass();	2024-09-03	Deactivate		Edit	Delete
201	How do you define a method in a Python class?	def my_method(self):	2024-09-03	Deactivate		Edit	Delete
202	How do you define a method in a JavaScript class?	class MyClass { myMethod() { } }	2024-09-03	Deactivate		Edit	Delete
203	How do you define a method in a Java class?	public void myMethod() { }	2024-09-03	Deactivate		Edit	Delete
204	How do you create an abstract class in Python?	from abc import ABC; class MyAbstractClass(ABC):	2024-09-03	Deactivate		Edit	Delete
205	How do you create an abstract class in JavaScript?	class MyAbstractClass { constructor() { if (new.target === MyAbstractClass) throw new Error("Cannot instantiate an abstract class"); } }	2024-09-03	Deactivate		Edit	Delete
206	How do you create an abstract class in Java?	public abstract class MyAbstractClass { }	2024-09-03	Deactivate		Edit	Delete
207	How do you create an interface in Python?	class MyInterface: def method1(self): pass	2024-09-03	Deactivate		Edit	Delete
208	How do you create an interface in JavaScript?	class MyInterface { method1() { throw new Error("Method not implemented"); } }	2024-09-03	Deactivate		Edit	Delete
209	How do you create an interface in Java?	public interface MyInterface { void method1(); }	2024-09-03	Deactivate		Edit	Delete
210	How do you implement an interface in Python?	class MyClass(MyInterface): def method1(self):	2024-09-03	Deactivate		Edit	Delete
211	How do you implement an interface in JavaScript?	class MyClass extends MyInterface { method1() { } }	2024-09-03	Deactivate		Edit	Delete
212	How do you implement an interface in Java?	public class MyClass implements MyInterface { public void method1() { } }	2024-09-03	Deactivate		Edit	Delete
213	How do you handle exceptions in Python?	try: pass except Exception as e: print(e)	2024-09-03	Deactivate		Edit	Delete
214	How do you handle exceptions in JavaScript?	try { } catch (e) { console.error(e); }	2024-09-03	Deactivate		Edit	Delete
215	How do you handle exceptions in Java?	try { } catch (Exception e) { e.printStackTrace(); }	2024-09-03	Deactivate		Edit	Delete
216	How do you define a constructor in Python?	class MyClass: def __init__(self): pass	2024-09-03	Deactivate		Edit	Delete
217	How do you define a constructor in JavaScript?	class MyClass { constructor() { } }	2024-09-03	Deactivate		Edit	Delete
218	How do you define a constructor in Java?	public MyClass() { }	2024-09-03	Deactivate		Edit	Delete
219	How do you inherit a class in Python?	class ChildClass(ParentClass):	2024-09-03	Deactivate		Edit	Delete
220	How do you inherit a class in JavaScript?	class ChildClass extends ParentClass { }	2024-09-03	Deactivate		Edit	Delete
221	How do you inherit a class in Java?	public class ChildClass extends ParentClass { }	2024-09-03	Deactivate		Edit	Delete
222	How do you call a parent class method in Python?	super().parent_method()	2024-09-03	Deactivate		Edit	Delete
223	How do you call a parent class method in JavaScript?	super.parentMethod();	2024-09-03	Deactivate		Edit	Delete
224	How do you call a parent class method in Java?	super.parentMethod();	2024-09-03	Deactivate		Edit	Delete
225	How do you override a method in Python?	def method_name(self):	2024-09-03	Deactivate		Edit	Delete
226	How do you override a method in JavaScript?	class ChildClass extends ParentClass { methodName() { } }	2024-09-03	Deactivate		Edit	Delete
227	How do you override a method in Java?	@Override public void methodName() { }	2024-09-03	Deactivate		Edit	Delete
228	How do you implement multiple inheritance in Python?	class ChildClass(ParentClass1, ParentClass2):	2024-09-03	Deactivate		Edit	Delete
229	How do you implement multiple inheritance in JavaScript?	JavaScript does not support multiple inheritance directly, but mixins can be used.	2024-09-03	Deactivate		Edit	Delete
230	How do you implement multiple inheritance in Java?	Java does not support multiple inheritance directly, but interfaces can be used.	2024-09-03	Deactivate		Edit	Delete
231	How do you create a constructor in Python?	class MyClass: def __init__(self, param1):	2024-09-03	Deactivate		Edit	Delete
232	How do you create a constructor in JavaScript?	class MyClass { constructor(param1) { } }	2024-09-03	Deactivate		Edit	Delete
233	How do you create a constructor in Java?	public MyClass(String param1) { }	2024-09-03	Deactivate		Edit	Delete
234	How do you define a private method in Python?	def __my_private_method(self):	2024-09-03	Deactivate		Edit	Delete
235	How do you define a private method in JavaScript?	class MyClass { #myPrivateMethod() { } }	2024-09-03	Deactivate		Edit	Delete
236	How do you define a private method in Java?	private void myPrivateMethod() { }	2024-09-03	Deactivate		Edit	Delete
237	How do you define a static method in Python?	@staticmethod def my_static_method():	2024-09-03	Deactivate		Edit	Delete
238	How do you define a static method in JavaScript?	class MyClass { static myStaticMethod() { } }	2024-09-03	Deactivate		Edit	Delete
239	How do you define a static method in Java?	public static void myStaticMethod() { }	2024-09-03	Deactivate		Edit	Delete
240	How do you define a class method in Python?	@classmethod def my_class_method(cls):	2024-09-03	Deactivate		Edit	Delete
241	How do you define a class method in JavaScript?	JavaScript does not distinguish between class methods and instance methods explicitly, but static methods are similar.	2024-09-03	Deactivate		Edit	Delete
242	How do you define a class method in Java?	public static void myClassMethod() { }	2024-09-03	Deactivate		Edit	Delete
243	How do you use the map function in Python?	map(lambda x: x * 2, [1, 2, 3])	2024-09-03	Deactivate		Edit	Delete
244	How do you use the filter function in Python?	filter(lambda x: x > 1, [1, 2, 3])	2024-09-03	Deactivate		Edit	Delete
245	How do you use the reduce function in Python?	from functools import reduce; reduce(lambda x, y: x + y, [1, 2, 3])	2024-09-03	Deactivate		Edit	Delete
246	How do you use the forEach function in JavaScript?	[1, 2, 3].forEach(element => console.log(element));	2024-09-03	Deactivate		Edit	Delete
247	How do you use the map function in JavaScript?	let newArr = [1, 2, 3].map(x => x * 2);	2024-09-03	Deactivate		Edit	Delete
248	How do you use the filter function in JavaScript?	let filteredArr = [1, 2, 3].filter(x => x > 1);	2024-09-03	Deactivate		Edit	Delete
249	How do you use the reduce function in JavaScript?	let sum = [1, 2, 3].reduce((acc, x) => acc + x, 0);	2024-09-03	Deactivate		Edit	Delete
250	How do you define a list comprehension in Python?	[x * 2 for x in range(5)]	2024-09-03	Deactivate		Edit	Delete
251	How do you define a dictionary comprehension in Python?	{x: x * 2 for x in range(5)}	2024-09-03	Deactivate		Edit	Delete
252	How do you define a set comprehension in Python?	{x * 2 for x in range(5)}	2024-09-03	Deactivate		Edit	Delete
253	How do you define a generator expression in Python?	(x * 2 for x in range(5))	2024-09-03	Deactivate		Edit	Delete
254	How do you use a lambda function in Python?	lambda x: x * 2	2024-09-03	Deactivate		Edit	Delete
255	How do you define an arrow function in JavaScript?	(x) => x * 2	2024-09-03	Deactivate		Edit	Delete
256	How do you define a function in JavaScript?	function myFunction(x) { return x * 2; }	2024-09-03	Deactivate		Edit	Delete
257	How do you define a function in Java?	public int myFunction(int x) { return x * 2; }	2024-09-03	Deactivate		Edit	Delete
258	How do you use a ternary operator in Python?	x if condition else y	2024-09-03	Deactivate		Edit	Delete
259	How do you use a ternary operator in JavaScript?	condition ? x : y	2024-09-03	Deactivate		Edit	Delete
260	How do you use a ternary operator in Java?	condition ? x : y	2024-09-03	Deactivate		Edit	Delete
261	How do you define a list in Python?	my_list = [1, 2, 3]	2024-09-03	Deactivate		Edit	Delete
262	How do you define an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-03	Deactivate		Edit	Delete
263	How do you define an array in Java?	int[] myArray = {1, 2, 3};	2024-09-03	Deactivate		Edit	Delete
264	How do you access an element in a Python list?	my_list[0]	2024-09-03	Deactivate		Edit	Delete
265	How do you access an element in a JavaScript array?	myArray[0]	2024-09-03	Deactivate		Edit	Delete
266	How do you access an element in a Java array?	myArray[0]	2024-09-03	Deactivate		Edit	Delete
267	How do you add an element to a Python list?	my_list.append(element)	2024-09-03	Deactivate		Edit	Delete
268	How do you add an element to a JavaScript array?	myArray.push(element);	2024-09-03	Deactivate		Edit	Delete
269	How do you add an element to a Java array?	Arrays in Java have a fixed size, so elements must be added to a new array.	2024-09-03	Deactivate		Edit	Delete
270	How do you remove an element from a Python list?	my_list.remove(element)	2024-09-03	Deactivate		Edit	Delete
271	How do you remove an element from a JavaScript array?	myArray.splice(index, 1);	2024-09-03	Deactivate		Edit	Delete
272	How do you remove an element from a Java array?	Arrays in Java have a fixed size, so elements must be removed by creating a new array.	2024-09-03	Deactivate		Edit	Delete
273	How do you find the length of a Python list?	len(my_list)	2024-09-03	Deactivate		Edit	Delete
274	How do you find the length of a JavaScript array?	myArray.length;	2024-09-03	Deactivate		Edit	Delete
275	How do you find the length of a Java array?	myArray.length;	2024-09-03	Deactivate		Edit	Delete
276	How do you sort a Python list?	my_list.sort()	2024-09-03	Deactivate		Edit	Delete
277	How do you sort a JavaScript array?	myArray.sort();	2024-09-03	Deactivate		Edit	Delete
278	How do you sort a Java array?	Arrays in Java can be sorted using Arrays.sort(myArray);	2024-09-03	Deactivate		Edit	Delete
279	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-03	Deactivate		Edit	Delete
280	How do you create an object in JavaScript?	let myObject = { key: "value" };	2024-09-03	Deactivate		Edit	Delete
281	How do you create a HashMap in Java?	Map map = new HashMap<>();	2024-09-03	Deactivate		Edit	Delete
282	How do you access a value from a Python dictionary?	my_dict["key"]	2024-09-03	Deactivate		Edit	Delete
283	How do you access a value from a JavaScript object?	myObject.key	2024-09-03	Deactivate		Edit	Delete
284	How do you access a value from a HashMap in Java?	map.get("key")	2024-09-03	Deactivate		Edit	Delete
285	How do you add a key-value pair to a Python dictionary?	my_dict["new_key"] = "new_value"	2024-09-03	Deactivate		Edit	Delete
286	How do you add a key-value pair to a JavaScript object?	myObject.newKey = "newValue";	2024-09-03	Deactivate		Edit	Delete
287	How do you add a key-value pair to a HashMap in Java?	map.put("new_key", "new_value");	2024-09-03	Deactivate		Edit	Delete
288	How do you remove a key-value pair from a Python dictionary?	del my_dict["key"]	2024-09-03	Deactivate		Edit	Delete
289	How do you remove a key-value pair from a JavaScript object?	delete myObject.key;	2024-09-03	Deactivate		Edit	Delete
290	How do you remove a key-value pair from a HashMap in Java?	map.remove("key");	2024-09-03	Deactivate		Edit	Delete
291	How do you check if a key exists in a Python dictionary?	"key" in my_dict	2024-09-03	Deactivate		Edit	Delete
292	How do you check if a key exists in a JavaScript object?	"key" in myObject	2024-09-03	Deactivate		Edit	Delete
293	How do you check if a key exists in a HashMap in Java?	map.containsKey("key")	2024-09-03	Deactivate		Edit	Delete
294	How do you iterate over a Python dictionary?	for key, value in my_dict.items():	2024-09-03	Deactivate		Edit	Delete
295	How do you iterate over a JavaScript object?	for (let key in myObject) { }	2024-09-03	Deactivate		Edit	Delete
296	How do you iterate over a HashMap in Java?	for (Map.Entry entry : map.entrySet()) { }	2024-09-03	Deactivate		Edit	Delete
297	How do you read from a file in Python?	with open("file.txt") as file: content = file.read()	2024-09-03	Deactivate		Edit	Delete
298	How do you read from a file in JavaScript?	fetch("file.txt").then(response => response.text()).then(data => console.log(data));	2024-09-03	Deactivate		Edit	Delete
299	How do you read from a file in Java?	try (BufferedReader br = new BufferedReader(new FileReader("file.txt"))) { String line; while ((line = br.readLine()) != null) { System.out.println(line); } }	2024-09-03	Deactivate		Edit	Delete
300	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello")	2024-09-03	Deactivate		Edit	Delete
301	How do you write to a file in JavaScript?	fetch("file.txt", { method: "POST", body: "Hello" });	2024-09-03	Deactivate		Edit	Delete
302	How do you write to a file in Java?	try (BufferedWriter bw = new BufferedWriter(new FileWriter("file.txt"))) { bw.write("Hello"); }	2024-09-03	Deactivate		Edit	Delete
303	How do you handle exceptions in Python?	try: ... except Exception as e: ...	2024-09-03	Deactivate		Edit	Delete
304	How do you handle exceptions in JavaScript?	try { ... } catch (e) { ... }	2024-09-03	Deactivate		Edit	Delete
305	How do you handle exceptions in Java?	try { ... } catch (Exception e) { ... }	2024-09-03	Deactivate		Edit	Delete
306	How do you create a class in Python?	class MyClass: def __init__(self):	2024-09-03	Deactivate		Edit	Delete
307	How do you create a class in JavaScript?	class MyClass { constructor() { } }	2024-09-03	Deactivate		Edit	Delete
308	How do you create a class in Java?	public class MyClass { public MyClass() { } }	2024-09-03	Deactivate		Edit	Delete
309	How do you inherit a class in Python?	class ChildClass(MyClass):	2024-09-03	Deactivate		Edit	Delete
310	How do you inherit a class in JavaScript?	class ChildClass extends MyClass { }	2024-09-03	Deactivate		Edit	Delete
311	How do you inherit a class in Java?	public class ChildClass extends MyClass { }	2024-09-03	Deactivate		Edit	Delete
312	How do you define a method in Python?	def my_method(self):	2024-09-03	Deactivate		Edit	Delete
313	How do you define a method in JavaScript?	myMethod() { }	2024-09-03	Deactivate		Edit	Delete
314	How do you define a method in Java?	public void myMethod() { }	2024-09-03	Deactivate		Edit	Delete
315	How do you call a method in Python?	my_instance.my_method()	2024-09-03	Deactivate		Edit	Delete
316	How do you call a method in JavaScript?	myInstance.myMethod();	2024-09-03	Deactivate		Edit	Delete
317	How do you call a method in Java?	myInstance.myMethod();	2024-09-03	Deactivate		Edit	Delete
318	How do you override a method in Python?	def my_method(self):	2024-09-03	Deactivate		Edit	Delete
319	How do you override a method in JavaScript?	myMethod() { super.myMethod(); }	2024-09-03	Deactivate		Edit	Delete
320	How do you override a method in Java?	public class SubClass extends SuperClass { @Override public void myMethod() { } }	2024-09-03	Deactivate		Edit	Delete
321	How do you implement an interface in Python?	class MyClass(MyInterface):	2024-09-03	Deactivate		Edit	Delete
322	How do you implement an interface in JavaScript?	class MyClass implements MyInterface { }	2024-09-03	Deactivate		Edit	Delete
323	How do you implement an interface in Java?	public class MyClass implements MyInterface { }	2024-09-03	Deactivate		Edit	Delete
324	How do you create a thread in Python?	import threading; thread = threading.Thread(target=my_function); thread.start()	2024-09-03	Deactivate		Edit	Delete
325	How do you create a thread in JavaScript?	new Worker("myWorker.js");	2024-09-03	Deactivate		Edit	Delete
326	How do you create a thread in Java?	new Thread(new Runnable() { public void run() { } }).start();	2024-09-03	Deactivate		Edit	Delete
327	How do you synchronize a method in Python?	@synchronized def my_method(self):	2024-09-03	Deactivate		Edit	Delete
328	How do you synchronize a method in JavaScript?	use a mutex or lock in a worker script	2024-09-03	Deactivate		Edit	Delete
329	How do you synchronize a method in Java?	synchronized public void myMethod() { }	2024-09-03	Deactivate		Edit	Delete
330	How do you connect to a database in Python?	import sqlite3; conn = sqlite3.connect("mydatabase.db")	2024-09-03	Deactivate		Edit	Delete
331	How do you connect to a database in JavaScript?	use a Node.js library like mysql or pg	2024-09-03	Deactivate		Edit	Delete
332	How do you connect to a database in Java?	Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/mydatabase", "user", "password");	2024-09-03	Deactivate		Edit	Delete
333	How do you execute a query in Python?	cursor.execute("SELECT * FROM my_table")	2024-09-03	Deactivate		Edit	Delete
334	How do you execute a query in JavaScript?	db.query("SELECT * FROM my_table", function(err, results) { })	2024-09-03	Deactivate		Edit	Delete
335	How do you execute a query in Java?	Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT * FROM my_table");	2024-09-03	Deactivate		Edit	Delete
336	How do you handle SQL injections in Python?	use parameterized queries	2024-09-03	Deactivate		Edit	Delete
337	How do you handle SQL injections in JavaScript?	use parameterized queries or prepared statements	2024-09-03	Deactivate		Edit	Delete
338	How do you handle SQL injections in Java?	use PreparedStatement	2024-09-03	Deactivate		Edit	Delete
339	How do you create a REST API in Python?	from flask import Flask; app = Flask(__name__); @app.route("/endpoint", methods=["GET"]) def my_endpoint(): return "Hello"	2024-09-03	Deactivate		Edit	Delete
340	How do you create a REST API in JavaScript?	const express = require("express"); const app = express(); app.get("/endpoint", (req, res) => res.send("Hello"));	2024-09-03	Deactivate		Edit	Delete
341	How do you create a REST API in Java?	import javax.ws.rs.*; @Path("/endpoint") public class MyResource { @GET public String get() { return "Hello"; } }	2024-09-03	Deactivate		Edit	Delete
342	How do you handle authentication in Python?	use libraries like Flask-Login or Django authentication	2024-09-03	Deactivate		Edit	Delete
343	How do you handle authentication in JavaScript?	use libraries like Passport.js for Node.js	2024-09-03	Deactivate		Edit	Delete
344	How do you handle authentication in Java?	use frameworks like Spring Security	2024-09-03	Deactivate		Edit	Delete
345	How do you handle user input validation in Python?	use libraries like WTForms or Django forms	2024-09-03	Deactivate		Edit	Delete
346	How do you handle user input validation in JavaScript?	use libraries like validator.js or built-in HTML5 validation	2024-09-03	Deactivate		Edit	Delete
347	How do you handle user input validation in Java?	use libraries like Apache Commons Validator or built-in validation	2024-09-03	Deactivate		Edit	Delete
348	How do you deploy a Python application?	use a web server like Gunicorn with a WSGI server like uWSGI	2024-09-03	Deactivate		Edit	Delete
349	How do you deploy a JavaScript application?	use a platform like Vercel or Netlify for front-end apps, or deploy to a server for Node.js apps	2024-09-03	Deactivate		Edit	Delete
350	How do you deploy a Java application?	use a server with a Java application server like Tomcat or Spring Boot	2024-09-03	Deactivate		Edit	Delete
351	How do you create a function in Python?	def my_function():	2024-09-03	Deactivate		Edit	Delete
352	How do you create a function in JavaScript?	function myFunction() { }	2024-09-03	Deactivate		Edit	Delete
353	How do you create a function in Java?	public void myFunction() { }	2024-09-03	Deactivate		Edit	Delete
354	How do you handle exceptions in Python?	try: ... except Exception as e: ...	2024-09-03	Deactivate		Edit	Delete
355	How do you handle exceptions in JavaScript?	try { ... } catch (e) { ... }	2024-09-03	Deactivate		Edit	Delete
356	How do you handle exceptions in Java?	try { ... } catch (Exception e) { ... }	2024-09-03	Deactivate		Edit	Delete
357	How do you use a list in Python?	my_list = [1, 2, 3]	2024-09-03	Deactivate		Edit	Delete
358	How do you use an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-03	Deactivate		Edit	Delete
359	How do you use an array in Java?	int[] myArray = {1, 2, 3};	2024-09-03	Deactivate		Edit	Delete
360	How do you create a class in Python?	class MyClass:	2024-09-03	Deactivate		Edit	Delete
361	How do you create a class in JavaScript?	class MyClass { }	2024-09-03	Deactivate		Edit	Delete
362	How do you create a class in Java?	public class MyClass { }	2024-09-03	Deactivate		Edit	Delete
363	How do you add a method to a class in Python?	class MyClass: def my_method(self):	2024-09-03	Deactivate		Edit	Delete
364	How do you add a method to a class in JavaScript?	class MyClass { myMethod() { } }	2024-09-03	Deactivate		Edit	Delete
365	How do you add a method to a class in Java?	public class MyClass { public void myMethod() { } }	2024-09-03	Deactivate		Edit	Delete
366	How do you create a constructor in Python?	class MyClass: def __init__(self):	2024-09-03	Deactivate		Edit	Delete
367	How do you create a constructor in JavaScript?	class MyClass { constructor() { } }	2024-09-03	Deactivate		Edit	Delete
368	How do you create a constructor in Java?	public class MyClass { public MyClass() { } }	2024-09-03	Deactivate		Edit	Delete
369	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-03	Deactivate		Edit	Delete
370	How do you create an object in JavaScript?	let myObject = { key: "value" };	2024-09-03	Deactivate		Edit	Delete
371	How do you create a HashMap in Java?	Map myMap = new HashMap<>();	2024-09-03	Deactivate		Edit	Delete
372	How do you iterate over a list in Python?	for item in my_list:	2024-09-03	Deactivate		Edit	Delete
373	How do you iterate over an array in JavaScript?	myArray.forEach(item => { });	2024-09-03	Deactivate		Edit	Delete
374	How do you iterate over an array in Java?	for (int item : myArray) { }	2024-09-03	Deactivate		Edit	Delete
375	How do you create a file in Python?	with open("myfile.txt", "w") as file:	2024-09-03	Deactivate		Edit	Delete
376	How do you create a file in JavaScript?	const fs = require("fs"); fs.writeFileSync("myfile.txt", "Hello");	2024-09-03	Deactivate		Edit	Delete
377	How do you create a file in Java?	FileWriter writer = new FileWriter("myfile.txt"); writer.write("Hello"); writer.close();	2024-09-03	Deactivate		Edit	Delete
378	How do you read a file in Python?	with open("myfile.txt", "r") as file: content = file.read()	2024-09-03	Deactivate		Edit	Delete
379	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("myfile.txt", "utf8", (err, data) => { });	2024-09-03	Deactivate		Edit	Delete
380	How do you read a file in Java?	BufferedReader reader = new BufferedReader(new FileReader("myfile.txt")); String line = reader.readLine(); reader.close();	2024-09-03	Deactivate		Edit	Delete
381	How do you connect to a database in Python?	import sqlite3; conn = sqlite3.connect("mydatabase.db")	2024-09-03	Deactivate		Edit	Delete
382	How do you connect to a database in JavaScript?	const { Client } = require("pg"); const client = new Client();	2024-09-03	Deactivate		Edit	Delete
383	How do you connect to a database in Java?	Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/mydb", "user", "password");	2024-09-03	Deactivate		Edit	Delete
384	How do you use environment variables in Python?	import os; api_key = os.getenv("API_KEY")	2024-09-03	Deactivate		Edit	Delete
385	How do you use environment variables in JavaScript?	const apiKey = process.env.API_KEY;	2024-09-03	Deactivate		Edit	Delete
386	How do you use environment variables in Java?	String apiKey = System.getenv("API_KEY");	2024-09-03	Deactivate		Edit	Delete
387	How do you sort a list in Python?	my_list.sort()	2024-09-03	Deactivate		Edit	Delete
388	How do you sort an array in JavaScript?	myArray.sort()	2024-09-03	Deactivate		Edit	Delete
389	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-03	Deactivate		Edit	Delete
390	How do you handle user input in Python?	input("Enter something: ")	2024-09-03	Deactivate		Edit	Delete
391	How do you handle user input in JavaScript?	const input = prompt("Enter something:");	2024-09-03	Deactivate		Edit	Delete
392	How do you handle user input in Java?	Scanner scanner = new Scanner(System.in); String input = scanner.nextLine();	2024-09-03	Deactivate		Edit	Delete
393	How do you use regular expressions in Python?	import re; pattern = re.compile(r"\d+")	2024-09-03	Deactivate		Edit	Delete
394	How do you use regular expressions in JavaScript?	const pattern = /\d+/;	2024-09-03	Deactivate		Edit	Delete
395	How do you use regular expressions in Java?	Pattern pattern = Pattern.compile("\d+");	2024-09-03	Deactivate		Edit	Delete
396	How do you create a user interface in Python?	use Tkinter library	2024-09-03	Deactivate		Edit	Delete
397	How do you create a user interface in JavaScript?	use HTML and CSS with JavaScript	2024-09-03	Deactivate		Edit	Delete
398	How do you create a user interface in Java?	use Swing or JavaFX	2024-09-03	Deactivate		Edit	Delete
399	How do you debug a Python application?	use pdb or IDE debugging tools	2024-09-03	Deactivate		Edit	Delete
400	How do you debug a JavaScript application?	use browser developer tools	2024-09-03	Deactivate		Edit	Delete
401	How do you debug a Java application?	use a debugger like JDB or IDE debugging tools	2024-09-03	Deactivate		Edit	Delete
402	How do you perform unit testing in Python?	use unittest or pytest	2024-09-03	Deactivate		Edit	Delete
403	How do you perform unit testing in JavaScript?	use Jest or Mocha	2024-09-03	Deactivate		Edit	Delete
404	How do you perform unit testing in Java?	use JUnit	2024-09-03	Deactivate		Edit	Delete
405	How do you handle multi-threading in Python?	use the threading module	2024-09-03	Deactivate		Edit	Delete
406	How do you handle multi-threading in JavaScript?	use Web Workers	2024-09-03	Deactivate		Edit	Delete
407	How do you handle multi-threading in Java?	use the java.util.concurrent package	2024-09-03	Deactivate		Edit	Delete
408	How do you create a GUI in Python?	use Tkinter or PyQt	2024-09-03	Deactivate		Edit	Delete
409	How do you create a GUI in JavaScript?	use HTML/CSS for layout and JavaScript for functionality	2024-09-03	Deactivate		Edit	Delete
410	How do you create a GUI in Java?	use Swing or JavaFX	2024-09-03	Deactivate		Edit	Delete
411	How do you perform file operations in Python?	use the open function and file methods	2024-09-03	Deactivate		Edit	Delete
412	How do you perform file operations in JavaScript?	use the fs module in Node.js	2024-09-03	Deactivate		Edit	Delete
413	How do you perform file operations in Java?	use the java.io package	2024-09-03	Deactivate		Edit	Delete
414	How do you perform network operations in Python?	use the requests library	2024-09-03	Deactivate		Edit	Delete
415	How do you perform network operations in JavaScript?	use the fetch API	2024-09-03	Deactivate		Edit	Delete
416	How do you perform network operations in Java?	use the java.net package	2024-09-03	Deactivate		Edit	Delete
417	How do you implement a stack in Python?	class Stack: def __init__(self): self.items = [] def push(self, item): self.items.append(item) def pop(self): return self.items.pop()	2024-09-03	Deactivate		Edit	Delete
418	How do you implement a stack in JavaScript?	class Stack { constructor() { this.items = []; } push(item) { this.items.push(item); } pop() { return this.items.pop(); } }	2024-09-03	Deactivate		Edit	Delete
419	How do you implement a stack in Java?	public class Stack { private LinkedList list = new LinkedList<>(); public void push(int item) { list.addLast(item); } public int pop() { return list.removeLast(); } }	2024-09-03	Deactivate		Edit	Delete
420	How do you implement a queue in Python?	class Queue: def __init__(self): self.items = [] def enqueue(self, item): self.items.insert(0, item) def dequeue(self): return self.items.pop()	2024-09-03	Deactivate		Edit	Delete
421	How do you implement a queue in JavaScript?	class Queue { constructor() { this.items = []; } enqueue(item) { this.items.unshift(item); } dequeue() { return this.items.pop(); } }	2024-09-03	Deactivate		Edit	Delete
422	How do you implement a queue in Java?	public class Queue { private LinkedList list = new LinkedList<>(); public void enqueue(int item) { list.addLast(item); } public int dequeue() { return list.removeFirst(); } }	2024-09-03	Deactivate		Edit	Delete
423	How do you implement a binary tree in Python?	class TreeNode: def __init__(self, value): self.value = value self.left = None self.right = None	2024-09-03	Deactivate		Edit	Delete
424	How do you implement a binary tree in JavaScript?	class TreeNode { constructor(value) { this.value = value; this.left = null; this.right = null; } }	2024-09-03	Deactivate		Edit	Delete
425	How do you implement a binary tree in Java?	public class TreeNode { int value; TreeNode left, right; public TreeNode(int item) { value = item; left = right = null; } }	2024-09-03	Deactivate		Edit	Delete
426	How do you create a REST API in Python?	from flask import Flask, jsonify; app = Flask(__name__); @app.route("/api") def api(): return jsonify({"message": "Hello"})	2024-09-03	Deactivate		Edit	Delete
427	How do you create a REST API in JavaScript?	const express = require("express"); const app = express(); app.get("/api", (req, res) => res.json({ message: "Hello" }));	2024-09-03	Deactivate		Edit	Delete
428	How do you create a REST API in Java?	import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController @RequestMapping("/api") public class MyController { @GetMapping public ResponseEntity> getApi() { Map response = new HashMap<>(); response.put("message", "Hello"); return ResponseEntity.ok(response); } }	2024-09-03	Deactivate		Edit	Delete
429	How do you perform HTTP requests in Python?	import requests; response = requests.get("http://example.com")	2024-09-03	Deactivate		Edit	Delete
430	How do you perform HTTP requests in JavaScript?	fetch("http://example.com").then(response => response.json()).then(data => console.log(data));	2024-09-03	Deactivate		Edit	Delete
431	How do you perform HTTP requests in Java?	HttpURLConnection connection = (HttpURLConnection) new URL("http://example.com").openConnection(); connection.setRequestMethod("GET"); BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; while ((line = reader.readLine()) != null) { System.out.println(line); }	2024-09-03	Deactivate		Edit	Delete
432	How do you implement a sorting algorithm in Python?	def bubble_sort(arr): for i in range(len(arr)): for j in range(0, len(arr)-i-1): if arr[j] > arr[j+1]: arr[j], arr[j+1] = arr[j+1], arr[j]	2024-09-03	Deactivate		Edit	Delete
433	How do you implement a sorting algorithm in JavaScript?	function bubbleSort(arr) { for (let i = 0; i < arr.length; i++) { for (let j = 0; j < arr.length - i - 1; j++) { if (arr[j] > arr[j + 1]) { [arr[j], arr[j + 1]] = [arr[j + 1], arr[j]]; } } } }	2024-09-03	Deactivate		Edit	Delete
434	How do you implement a sorting algorithm in Java?	public static void bubbleSort(int[] arr) { for (int i = 0; i < arr.length; i++) { for (int j = 0; j < arr.length - i - 1; j++) { if (arr[j] > arr[j + 1]) { int temp = arr[j]; arr[j] = arr[j + 1]; arr[j + 1] = temp; } } } }	2024-09-03	Deactivate		Edit	Delete
435	How do you implement a binary search algorithm in Python?	def binary_search(arr, target): left, right = 0, len(arr) - 1 while left <= right: mid = (left + right) // 2 if arr[mid] == target: return mid elif arr[mid] < target: left = mid + 1 else: right = mid - 1 return -1	2024-09-03	Deactivate		Edit	Delete
436	How do you implement a binary search algorithm in JavaScript?	function binarySearch(arr, target) { let left = 0, right = arr.length - 1; while (left <= right) { const mid = Math.floor((left + right) / 2); if (arr[mid] === target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; }	2024-09-03	Deactivate		Edit	Delete
437	How do you implement a binary search algorithm in Java?	public static int binarySearch(int[] arr, int target) { int left = 0, right = arr.length - 1; while (left <= right) { int mid = (left + right) / 2; if (arr[mid] == target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; }	2024-09-03	Deactivate		Edit	Delete
438	How do you create a linked list in Python?	class Node: def __init__(self, value): self.value = value self.next = None class LinkedList: def __init__(self): self.head = None def append(self, value): if not self.head: self.head = Node(value) else: current = self.head while current.next: current = current.next current.next = Node(value)	2024-09-03	Deactivate		Edit	Delete
439	How do you create a linked list in JavaScript?	class Node { constructor(value) { this.value = value; this.next = null; } } class LinkedList { constructor() { this.head = null; } append(value) { if (!this.head) { this.head = new Node(value); } else { let current = this.head; while (current.next) { current = current.next; } current.next = new Node(value); } } }	2024-09-03	Deactivate		Edit	Delete
440	How do you create a linked list in Java?	public class Node { int value; Node next; public Node(int value) { this.value = value; this.next = null; } } public class LinkedList { private Node head; public LinkedList() { this.head = null; } public void append(int value) { if (head == null) { head = new Node(value); } else { Node current = head; while (current.next != null) { current = current.next; } current.next = new Node(value); } } }	2024-09-03	Deactivate		Edit	Delete
441	How do you implement a hash map in Python?	class HashMap: def __init__(self): self.size = 100 self.map = [None] * self.size def _hash(self, key): return hash(key) % self.size def set(self, key, value): index = self._hash(key) if self.map[index] is None: self.map[index] = [] self.map[index].append((key, value)) def get(self, key): index = self._hash(key) if self.map[index] is None: return None for k, v in self.map[index]: if k == key: return v return None	2024-09-03	Deactivate		Edit	Delete
442	How do you implement a hash map in JavaScript?	class HashMap { constructor(size = 100) { this.size = size; this.map = new Array(size); } _hash(key) { let hash = 0; for (let i = 0; i < key.length; i++) { hash = (hash + key.charCodeAt(i) * i) % this.size; } return hash; } set(key, value) { const index = this._hash(key); if (!this.map[index]) { this.map[index] = []; } this.map[index].push([key, value]); } get(key) { const index = this._hash(key); if (!this.map[index]) return undefined; for (const [k, v] of this.map[index]) { if (k === key) return v; } return undefined; } }	2024-09-03	Deactivate		Edit	Delete
443	How do you implement a hash map in Java?	import java.util.LinkedList; public class HashMap { private LinkedList[] map; private int size; public HashMap(int size) { this.size = size; this.map = new LinkedList[size]; } private int hash(String key) { return key.hashCode() % size; } public void put(String key, String value) { int index = hash(key); if (map[index] == null) { map[index] = new LinkedList<>(); } for (Entry entry : map[index]) { if (entry.key.equals(key)) { entry.value = value; return; } } map[index].add(new Entry(key, value)); } public String get(String key) { int index = hash(key); if (map[index] == null) return null; for (Entry entry : map[index]) { if (entry.key.equals(key)) return entry.value; } return null; } private class Entry { String key; String value; Entry(String key, String value) { this.key = key; this.value = value; } } }	2024-09-03	Deactivate		Edit	Delete
444	How do you implement a queue with two stacks in Python?	class Queue: def __init__(self): self.stack1 = [] self.stack2 = [] def enqueue(self, item): self.stack1.append(item) def dequeue(self): if not self.stack2: while self.stack1: self.stack2.append(self.stack1.pop()) if not self.stack2: raise IndexError("Dequeue from an empty queue") return self.stack2.pop()	2024-09-03	Deactivate		Edit	Delete
445	How do you implement a queue with two stacks in JavaScript?	class Queue { constructor() { this.stack1 = []; this.stack2 = []; } enqueue(item) { this.stack1.push(item); } dequeue() { if (this.stack2.length === 0) { while (this.stack1.length > 0) { this.stack2.push(this.stack1.pop()); } } if (this.stack2.length === 0) throw new Error("Queue is empty"); return this.stack2.pop(); } }	2024-09-03	Deactivate		Edit	Delete
446	How do you implement a queue with two stacks in Java?	import java.util.Stack; public class QueueWithStacks { private Stack stack1 = new Stack<>(); private Stack stack2 = new Stack<>(); public void enqueue(int item) { stack1.push(item); } public int dequeue() { if (stack2.isEmpty()) { while (!stack1.isEmpty()) { stack2.push(stack1.pop()); } } if (stack2.isEmpty()) throw new IllegalStateException("Queue is empty"); return stack2.pop(); } }	2024-09-03	Deactivate		Edit	Delete
447	How do you implement a stack in Python?	class Stack: def __init__(self): self.stack = [] def push(self, item): self.stack.append(item) def pop(self): if not self.stack: raise IndexError("Pop from an empty stack") return self.stack.pop() def peek(self): if not self.stack: raise IndexError("Peek from an empty stack") return self.stack[-1] def is_empty(self): return len(self.stack) == 0	2024-09-03	Deactivate		Edit	Delete
448	How do you implement a stack in JavaScript?	class Stack { constructor() { this.stack = []; } push(item) { this.stack.push(item); } pop() { if (this.isEmpty()) throw new Error("Stack is empty"); return this.stack.pop(); } peek() { if (this.isEmpty()) throw new Error("Stack is empty"); return this.stack[this.stack.length - 1]; } isEmpty() { return this.stack.length === 0; } }	2024-09-03	Deactivate		Edit	Delete
449	How do you implement a stack in Java?	import java.util.ArrayList; public class Stack { private ArrayList stack = new ArrayList<>(); public void push(T item) { stack.add(item); } public T pop() { if (isEmpty()) throw new IllegalStateException("Stack is empty"); return stack.remove(stack.size() - 1); } public T peek() { if (isEmpty()) throw new IllegalStateException("Stack is empty"); return stack.get(stack.size() - 1); } public boolean isEmpty() { return stack.isEmpty(); } }	2024-09-03	Deactivate		Edit	Delete
450	How do you write a function to reverse a string in Python?	def reverse_string(s): return s[::-1]	2024-09-03	Deactivate		Edit	Delete
451	How do you write a function to reverse a string in JavaScript?	function reverseString(s) { return s.split("").reverse().join(""); }	2024-09-03	Deactivate		Edit	Delete
452	How do you write a function to reverse a string in Java?	public class StringUtil { public static String reverseString(String s) { StringBuilder sb = new StringBuilder(s); return sb.reverse().toString(); } }	2024-09-03	Deactivate		Edit	Delete
453	How do you check if a number is prime in Python?	def is_prime(n): if n <= 1: return False for i in range(2, int(n**0.5) + 1): if n % i == 0: return False return True	2024-09-03	Deactivate		Edit	Delete
454	How do you check if a number is prime in JavaScript?	function isPrime(n) { if (n <= 1) return false; for (let i = 2; i <= Math.sqrt(n); i++) { if (n % i === 0) return false; } return true; }	2024-09-03	Deactivate		Edit	Delete
455	How do you check if a number is prime in Java?	public class PrimeUtil { public static boolean isPrime(int n) { if (n <= 1) return false; for (int i = 2; i <= Math.sqrt(n); i++) { if (n % i == 0) return false; } return true; } }	2024-09-03	Deactivate		Edit	Delete
456	How do you sort an array in Python?	def sort_array(arr): return sorted(arr)	2024-09-03	Deactivate		Edit	Delete
457	How do you sort an array in JavaScript?	function sortArray(arr) { return arr.sort(); }	2024-09-03	Deactivate		Edit	Delete
458	How do you sort an array in Java?	import java.util.Arrays; public class ArrayUtil { public static int[] sortArray(int[] arr) { Arrays.sort(arr); return arr; } }	2024-09-03	Deactivate		Edit	Delete
459	How do you find the maximum value in an array in Python?	def max_value(arr): return max(arr)	2024-09-03	Deactivate		Edit	Delete
460	How do you find the maximum value in an array in JavaScript?	function maxValue(arr) { return Math.max(...arr); }	2024-09-03	Deactivate		Edit	Delete
461	How do you find the maximum value in an array in Java?	public class ArrayUtil { public static int maxValue(int[] arr) { int max = arr[0]; for (int i = 1; i < arr.length; i++) { if (arr[i] > max) { max = arr[i]; } } return max; } }	2024-09-03	Deactivate		Edit	Delete
462	How do you reverse a list in Python?	def reverse_list(lst): return lst[::-1]	2024-09-03	Deactivate		Edit	Delete
463	How do you reverse a list in JavaScript?	function reverseList(lst) { return lst.reverse(); }	2024-09-03	Deactivate		Edit	Delete
464	How do you reverse a list in Java?	import java.util.Collections; import java.util.List; public class ListUtil { public static void reverseList(List list) { Collections.reverse(list); } }	2024-09-03	Deactivate		Edit	Delete
465	How do you calculate the factorial of a number in Python?	def factorial(n): if n == 0: return 1 return n * factorial(n - 1)	2024-09-03	Deactivate		Edit	Delete
466	How do you calculate the factorial of a number in JavaScript?	function factorial(n) { if (n === 0) return 1; return n * factorial(n - 1); }	2024-09-03	Deactivate		Edit	Delete
467	How do you calculate the factorial of a number in Java?	public class MathUtil { public static int factorial(int n) { if (n == 0) return 1; return n * factorial(n - 1); } }	2024-09-03	Deactivate		Edit	Delete
468	How do you write a function to find the nth Fibonacci number in Python?	def fibonacci(n): if n <= 1: return n a, b = 0, 1 for _ in range(2, n + 1): a, b = b, a + b return b	2024-09-03	Deactivate		Edit	Delete
469	How do you write a function to find the nth Fibonacci number in JavaScript?	function fibonacci(n) { if (n <= 1) return n; let a = 0, b = 1; for (let i = 2; i <= n; i++) { let temp = a + b; a = b; b = temp; } return b; }	2024-09-03	Deactivate		Edit	Delete
470	How do you write a function to find the nth Fibonacci number in Java?	public class Fibonacci { public static int fibonacci(int n) { if (n <= 1) return n; int a = 0, b = 1; for (int i = 2; i <= n; i++) { int temp = a + b; a = b; b = temp; } return b; } }	2024-09-03	Deactivate		Edit	Delete
471	How do you check if a string is a palindrome in Python?	def is_palindrome(s): return s == s[::-1]	2024-09-03	Deactivate		Edit	Delete
472	How do you check if a string is a palindrome in JavaScript?	function isPalindrome(s) { return s === s.split("").reverse().join(""); }	2024-09-03	Deactivate		Edit	Delete
473	How do you check if a string is a palindrome in Java?	public class Palindrome { public static boolean isPalindrome(String s) { StringBuilder sb = new StringBuilder(s); return s.equals(sb.reverse().toString()); } }	2024-09-03	Deactivate		Edit	Delete
474	How do you implement a depth-first search algorithm in Python?	def depth_first_search(graph, start): visited = set() stack = [start] while stack: vertex = stack.pop() if vertex not in visited: visited.add(vertex) stack.extend(neighbor for neighbor in graph[vertex] if neighbor not in visited) return visited	2024-09-03	Deactivate		Edit	Delete
475	How do you implement a depth-first search algorithm in JavaScript?	function depthFirstSearch(graph, start) { const visited = new Set(); const stack = [start]; while (stack.length) { const vertex = stack.pop(); if (!visited.has(vertex)) { visited.add(vertex); stack.push(...graph[vertex].filter(neighbor => !visited.has(neighbor))); } } return visited; }	2024-09-03	Deactivate		Edit	Delete
476	How do you implement a depth-first search algorithm in Java?	import java.util.*; public class DepthFirstSearch { public static Set depthFirstSearch(Map> graph, int start) { Set visited = new HashSet<>(); Stack stack = new Stack<>(); stack.push(start); while (!stack.isEmpty()) { int vertex = stack.pop(); if (!visited.contains(vertex)) { visited.add(vertex); for (int neighbor : graph.get(vertex)) { if (!visited.contains(neighbor)) { stack.push(neighbor); } } } } return visited; } }	2024-09-03	Deactivate		Edit	Delete
477	How do you implement a breadth-first search algorithm in Python?	def breadth_first_search(graph, start): visited = set() queue = [start] while queue: vertex = queue.pop(0) if vertex not in visited: visited.add(vertex) queue.extend(neighbor for neighbor in graph[vertex] if neighbor not in visited) return visited	2024-09-03	Deactivate		Edit	Delete
478	How do you implement a breadth-first search algorithm in JavaScript?	function breadthFirstSearch(graph, start) { const visited = new Set(); const queue = [start]; while (queue.length) { const vertex = queue.shift(); if (!visited.has(vertex)) { visited.add(vertex); queue.push(...graph[vertex].filter(neighbor => !visited.has(neighbor))); } } return visited; }	2024-09-03	Deactivate		Edit	Delete
479	How do you implement a breadth-first search algorithm in Java?	import java.util.*; public class BreadthFirstSearch { public static Set breadthFirstSearch(Map> graph, int start) { Set visited = new HashSet<>(); Queue queue = new LinkedList<>(); queue.add(start); while (!queue.isEmpty()) { int vertex = queue.poll(); if (!visited.contains(vertex)) { visited.add(vertex); for (int neighbor : graph.get(vertex)) { if (!visited.contains(neighbor)) { queue.add(neighbor); } } } } return visited; } }	2024-09-03	Deactivate		Edit	Delete
480	How do you sort an array in Python?	def sort_array(arr): return sorted(arr)	2024-09-03	Deactivate		Edit	Delete
481	How do you sort an array in JavaScript?	function sortArray(arr) { return arr.sort(); }	2024-09-03	Deactivate		Edit	Delete
482	How do you sort an array in Java?	import java.util.Arrays; public class ArrayUtil { public static int[] sortArray(int[] arr) { Arrays.sort(arr); return arr; } }	2024-09-03	Deactivate		Edit	Delete
483	How do you implement binary search in Python?	def binary_search(arr, target): left, right = 0, len(arr) - 1 while left <= right: mid = (left + right) // 2 if arr[mid] == target: return mid elif arr[mid] < target: left = mid + 1 else: right = mid - 1 return -1	2024-09-03	Deactivate		Edit	Delete
484	How do you implement binary search in JavaScript?	function binarySearch(arr, target) { let left = 0, right = arr.length - 1; while (left <= right) { const mid = Math.floor((left + right) / 2); if (arr[mid] === target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; }	2024-09-03	Deactivate		Edit	Delete
485	How do you implement binary search in Java?	public class BinarySearch { public static int binarySearch(int[] arr, int target) { int left = 0, right = arr.length - 1; while (left <= right) { int mid = (left + right) / 2; if (arr[mid] == target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; } }	2024-09-03	Deactivate		Edit	Delete
486	How do you find the length of a list in Python?	def length_of_list(lst): return len(lst)	2024-09-03	Deactivate		Edit	Delete
487	How do you find the length of an array in JavaScript?	function lengthOfArray(arr) { return arr.length; }	2024-09-03	Deactivate		Edit	Delete
488	How do you find the length of an array in Java?	public class ArrayUtil { public static int lengthOfArray(int[] arr) { return arr.length; } }	2024-09-03	Deactivate		Edit	Delete
489	How do you create a new list in Python?	def create_list(*elements): return list(elements)	2024-09-03	Deactivate		Edit	Delete
490	How do you create a new array in JavaScript?	function createArray(...elements) { return elements; }	2024-09-03	Deactivate		Edit	Delete
491	How do you create a new array in Java?	public class ArrayUtil { public static int[] createArray(int... elements) { return elements; } }	2024-09-03	Deactivate		Edit	Delete
492	How do you check if a number is even in Python?	def is_even(num): return num % 2 == 0	2024-09-03	Deactivate		Edit	Delete
493	How do you check if a number is even in JavaScript?	function isEven(num) { return num % 2 === 0; }	2024-09-03	Deactivate		Edit	Delete
494	How do you check if a number is even in Java?	public class NumberUtil { public static boolean isEven(int num) { return num % 2 == 0; } }	2024-09-03	Deactivate		Edit	Delete
495	How do you get the current date and time in Python?	from datetime import datetime current_datetime = datetime.now()	2024-09-03	Deactivate		Edit	Delete
496	How do you get the current date and time in JavaScript?	const currentDateTime = new Date();	2024-09-03	Deactivate		Edit	Delete
497	How do you get the current date and time in Java?	import java.time.LocalDateTime; LocalDateTime currentDateTime = LocalDateTime.now();	2024-09-03	Deactivate		Edit	Delete
498	How do you handle exceptions in Python?	try: # code that might throw an exception except Exception as e: # code to handle the exception	2024-09-03	Deactivate		Edit	Delete
499	How do you handle exceptions in JavaScript?	try { // code that might throw an exception } catch (e) { // code to handle the exception }	2024-09-03	Deactivate		Edit	Delete
500	How do you handle exceptions in Java?	try { // code that might throw an exception } catch (Exception e) { // code to handle the exception }	2024-09-03	Deactivate		Edit	Delete
501	How do you concatenate strings in Python?	def concatenate_strings(s1, s2): return s1 + s2	2024-09-03	Deactivate		Edit	Delete
502	How do you concatenate strings in JavaScript?	function concatenateStrings(s1, s2) { return s1 + s2; }	2024-09-03	Deactivate		Edit	Delete
503	How do you concatenate strings in Java?	public class StringUtil { public static String concatenateStrings(String s1, String s2) { return s1 + s2; } }	2024-09-03	Deactivate		Edit	Delete
504	How do you reverse a string in Python?	def reverse_string(s): return s[::-1]	2024-09-03	Deactivate		Edit	Delete
505	How do you reverse a string in JavaScript?	function reverseString(s) { return s.split("").reverse().join(""); }	2024-09-03	Deactivate		Edit	Delete
506	How do you reverse a string in Java?	public class StringUtil { public static String reverseString(String s) { return new StringBuilder(s).reverse().toString(); } }	2024-09-03	Deactivate		Edit	Delete
507	How do you check if a string contains a substring in Python?	def contains_substring(s, sub): return sub in s	2024-09-03	Deactivate		Edit	Delete
508	How do you check if a string contains a substring in JavaScript?	function containsSubstring(s, sub) { return s.includes(sub); }	2024-09-03	Deactivate		Edit	Delete
509	How do you check if a string contains a substring in Java?	public class StringUtil { public static boolean containsSubstring(String s, String sub) { return s.contains(sub); } }	2024-09-03	Deactivate		Edit	Delete
510	How do you find the maximum number in an array in Python?	def find_max(arr): return max(arr)	2024-09-03	Deactivate		Edit	Delete
511	How do you find the maximum number in an array in JavaScript?	function findMax(arr) { return Math.max(...arr); }	2024-09-03	Deactivate		Edit	Delete
512	How do you find the maximum number in an array in Java?	public class ArrayUtil { public static int findMax(int[] arr) { int max = arr[0]; for (int num : arr) { if (num > max) { max = num; } } return max; } }	2024-09-03	Deactivate		Edit	Delete
513	How do you find the minimum number in an array in Python?	def find_min(arr): return min(arr)	2024-09-03	Deactivate		Edit	Delete
514	How do you find the minimum number in an array in JavaScript?	function findMin(arr) { return Math.min(...arr); }	2024-09-03	Deactivate		Edit	Delete
515	How do you find the minimum number in an array in Java?	public class ArrayUtil { public static int findMin(int[] arr) { int min = arr[0]; for (int num : arr) { if (num < min) { min = num; } } return min; } }	2024-09-03	Deactivate		Edit	Delete
516	How do you calculate the factorial of a number in Python?	def factorial(n): if n == 0: return 1 return n * factorial(n - 1)	2024-09-03	Deactivate		Edit	Delete
517	How do you calculate the factorial of a number in JavaScript?	function factorial(n) { if (n === 0) return 1; return n * factorial(n - 1); }	2024-09-03	Deactivate		Edit	Delete
518	How do you calculate the factorial of a number in Java?	public class MathUtil { public static int factorial(int n) { if (n == 0) return 1; return n * factorial(n - 1); } }	2024-09-03	Deactivate		Edit	Delete
519	How do you merge two lists in Python?	def merge_lists(lst1, lst2): return lst1 + lst2	2024-09-03	Deactivate		Edit	Delete
520	How do you merge two arrays in JavaScript?	function mergeArrays(arr1, arr2) { return arr1.concat(arr2); }	2024-09-03	Deactivate		Edit	Delete
521	How do you merge two arrays in Java?	import java.util.ArrayList; import java.util.Arrays; public class ArrayUtil { public static int[] mergeArrays(int[] arr1, int[] arr2) { int[] merged = new int[arr1.length + arr2.length]; System.arraycopy(arr1, 0, merged, 0, arr1.length); System.arraycopy(arr2, 0, merged, arr1.length, arr2.length); return merged; } }	2024-09-03	Deactivate		Edit	Delete
522	How do you remove duplicates from a list in Python?	def remove_duplicates(lst): return list(set(lst))	2024-09-03	Deactivate		Edit	Delete
523	How do you remove duplicates from an array in JavaScript?	function removeDuplicates(arr) { return [...new Set(arr)]; }	2024-09-03	Deactivate		Edit	Delete
524	How do you remove duplicates from an array in Java?	import java.util.HashSet; import java.util.Set; import java.util.Arrays; public class ArrayUtil { public static int[] removeDuplicates(int[] arr) { Set set = new HashSet<>(); for (int num : arr) { set.add(num); } return set.stream().mapToInt(Integer::intValue).toArray(); } }	2024-09-03	Deactivate		Edit	Delete
525	How do you check if a list is empty in Python?	def is_empty(lst): return len(lst) == 0	2024-09-03	Deactivate		Edit	Delete
526	How do you check if an array is empty in JavaScript?	function isEmpty(arr) { return arr.length === 0; }	2024-09-03	Deactivate		Edit	Delete
527	How do you check if an array is empty in Java?	public class ArrayUtil { public static boolean isEmpty(int[] arr) { return arr.length == 0; } }	2024-09-03	Deactivate		Edit	Delete
528	How do you find the index of an element in Python?	def find_index(lst, element): return lst.index(element)	2024-09-03	Deactivate		Edit	Delete
529	How do you find the index of an element in JavaScript?	function findIndex(arr, element) { return arr.indexOf(element); }	2024-09-03	Deactivate		Edit	Delete
530	How do you find the index of an element in Java?	public class ArrayUtil { public static int findIndex(int[] arr, int element) { for (int i = 0; i < arr.length; i++) { if (arr[i] == element) return i; } return -1; } }	2024-09-03	Deactivate		Edit	Delete
531	How do you check if a number is prime in Python?	def is_prime(num): if num <= 1: return False for i in range(2, int(num**0.5) + 1): if num % i == 0: return False return True	2024-09-03	Deactivate		Edit	Delete
532	How do you check if a number is prime in JavaScript?	function isPrime(num) { if (num <= 1) return false; for (let i = 2; i <= Math.sqrt(num); i++) { if (num % i === 0) return false; } return true; }	2024-09-03	Deactivate		Edit	Delete
533	How do you check if a number is prime in Java?	public class NumberUtil { public static boolean isPrime(int num) { if (num <= 1) return false; for (int i = 2; i <= Math.sqrt(num); i++) { if (num % i == 0) return false; } return true; } }	2024-09-03	Deactivate		Edit	Delete
534	How do you create a dictionary in Python?	def create_dict(keys, values): return dict(zip(keys, values))	2024-09-03	Deactivate		Edit	Delete
535	How do you create an object in JavaScript?	const obj = { key1: "value1", key2: "value2" };	2024-09-03	Deactivate		Edit	Delete
536	How do you create a map in Java?	import java.util.HashMap; import java.util.Map; public class MapUtil { public static Map createMap() { Map map = new HashMap<>(); map.put("key1", "value1"); map.put("key2", "value2"); return map; } }	2024-09-03	Deactivate		Edit	Delete
537	How do you access a value in a dictionary in Python?	def get_value(dct, key): return dct.get(key)	2024-09-03	Deactivate		Edit	Delete
538	How do you access a value in an object in JavaScript?	function getValue(obj, key) { return obj[key]; }	2024-09-03	Deactivate		Edit	Delete
539	How do you access a value in a map in Java?	import java.util.Map; public class MapUtil { public static String getValue(Map map, String key) { return map.get(key); } }	2024-09-03	Deactivate		Edit	Delete
540	How do you remove a key-value pair from a dictionary in Python?	def remove_key(dct, key): dct.pop(key, None)	2024-09-03	Deactivate		Edit	Delete
541	How do you remove a key from an object in JavaScript?	function removeKey(obj, key) { delete obj[key]; }	2024-09-03	Deactivate		Edit	Delete
542	How do you remove a key-value pair from a map in Java?	import java.util.Map; public class MapUtil { public static void removeKey(Map map, String key) { map.remove(key); } }	2024-09-03	Deactivate		Edit	Delete
543	How do you read a file in Python?	def read_file(filename): with open(filename, "r") as file: return file.read()	2024-09-03	Deactivate		Edit	Delete
544	How do you write to a file in Python?	def write_file(filename, content): with open(filename, "w") as file: file.write(content)	2024-09-03	Deactivate		Edit	Delete
545	How do you read a file in JavaScript?	const fs = require("fs"); function readFile(filename, callback) { fs.readFile(filename, "utf8", callback); }	2024-09-03	Deactivate		Edit	Delete
546	How do you write to a file in JavaScript?	const fs = require("fs"); function writeFile(filename, content, callback) { fs.writeFile(filename, content, "utf8", callback); }	2024-09-03	Deactivate		Edit	Delete
547	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; import java.io.IOException; public class FileUtil { public static String readFile(String filename) throws IOException { return new String(Files.readAllBytes(Paths.get(filename))); } }	2024-09-03	Deactivate		Edit	Delete
548	How do you write to a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; import java.io.IOException; public class FileUtil { public static void writeFile(String filename, String content) throws IOException { Files.write(Paths.get(filename), content.getBytes()); } }	2024-09-03	Deactivate		Edit	Delete
549	How do you declare a variable in Python?	x = 10	2024-09-03	Deactivate		Edit	Delete
550	How do you declare a variable in JavaScript?	let x = 10;	2024-09-03	Deactivate		Edit	Delete
551	How do you declare a variable in Java?	int x = 10;	2024-09-03	Deactivate		Edit	Delete
552	How do you declare a variable in C++?	int x = 10;	2024-09-03	Deactivate		Edit	Delete
553	How do you create a function in Python?	def my_function(): pass	2024-09-03	Deactivate		Edit	Delete
554	How do you create a function in JavaScript?	function myFunction() { // code }	2024-09-03	Deactivate		Edit	Delete
555	How do you create a function in Java?	public void myFunction() { // code }	2024-09-03	Deactivate		Edit	Delete
556	How do you create a function in C++?	void myFunction() { // code }	2024-09-03	Deactivate		Edit	Delete
557	How do you call a function in Python?	my_function()	2024-09-03	Deactivate		Edit	Delete
558	How do you call a function in JavaScript?	myFunction();	2024-09-03	Deactivate		Edit	Delete
559	How do you call a function in Java?	myFunction();	2024-09-03	Deactivate		Edit	Delete
560	How do you call a function in C++?	myFunction();	2024-09-03	Deactivate		Edit	Delete
561	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-03	Deactivate		Edit	Delete
562	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-03	Deactivate		Edit	Delete
563	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-03	Deactivate		Edit	Delete
564	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-03	Deactivate		Edit	Delete
565	How do you add an element to a list in Python?	my_list.append(4)	2024-09-03	Deactivate		Edit	Delete
566	How do you add an element to an array in JavaScript?	myArray.push(4);	2024-09-03	Deactivate		Edit	Delete
567	How do you add an element to an array in Java?	myArray[3] = 4;	2024-09-03	Deactivate		Edit	Delete
568	How do you add an element to an array in C++?	myArray[3] = 4;	2024-09-03	Deactivate		Edit	Delete
569	How do you loop through a list in Python?	for item in my_list: print(item)	2024-09-03	Deactivate		Edit	Delete
570	How do you loop through an array in JavaScript?	myArray.forEach(item => console.log(item));	2024-09-03	Deactivate		Edit	Delete
571	How do you loop through an array in Java?	for (int item : myArray) { System.out.println(item); }	2024-09-03	Deactivate		Edit	Delete
572	How do you loop through an array in C++?	for (int item : myArray) { std::cout << item << std::endl; }	2024-09-03	Deactivate		Edit	Delete
573	How do you sort a list in Python?	my_list.sort()	2024-09-03	Deactivate		Edit	Delete
574	How do you sort an array in JavaScript?	myArray.sort()	2024-09-03	Deactivate		Edit	Delete
575	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-03	Deactivate		Edit	Delete
576	How do you sort an array in C++?	#include std::sort(myArray, myArray + size);	2024-09-03	Deactivate		Edit	Delete
577	How do you find the length of a list in Python?	len(my_list)	2024-09-03	Deactivate		Edit	Delete
578	How do you find the length of an array in JavaScript?	myArray.length	2024-09-03	Deactivate		Edit	Delete
579	How do you find the length of an array in Java?	myArray.length;	2024-09-03	Deactivate		Edit	Delete
580	How do you find the length of an array in C++?	sizeof(myArray) / sizeof(myArray[0]);	2024-09-03	Deactivate		Edit	Delete
581	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-03	Deactivate		Edit	Delete
582	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-03	Deactivate		Edit	Delete
583	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-03	Deactivate		Edit	Delete
584	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle exception }	2024-09-03	Deactivate		Edit	Delete
585	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-03	Deactivate		Edit	Delete
586	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-03	Deactivate		Edit	Delete
587	How do you create a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-03	Deactivate		Edit	Delete
588	How do you create a class in C++?	class MyClass { int value; public: MyClass(int value) : value(value) {} };	2024-09-03	Deactivate		Edit	Delete
589	How do you instantiate an object in Python?	obj = MyClass(value)	2024-09-03	Deactivate		Edit	Delete
590	How do you instantiate an object in JavaScript?	let obj = new MyClass(value);	2024-09-03	Deactivate		Edit	Delete
591	How do you instantiate an object in Java?	MyClass obj = new MyClass(value);	2024-09-03	Deactivate		Edit	Delete
592	How do you instantiate an object in C++?	MyClass obj(value);	2024-09-03	Deactivate		Edit	Delete
593	How do you create a constructor in Python?	def __init__(self, value): self.value = value	2024-09-03	Deactivate		Edit	Delete
594	How do you create a constructor in JavaScript?	constructor(value) { this.value = value; }	2024-09-03	Deactivate		Edit	Delete
595	How do you create a constructor in Java?	public MyClass(int value) { this.value = value; }	2024-09-03	Deactivate		Edit	Delete
596	How do you create a constructor in C++?	MyClass(int value) : value(value) {}	2024-09-03	Deactivate		Edit	Delete
597	How do you create an inheritance in Python?	class SubClass(MyClass): pass	2024-09-03	Deactivate		Edit	Delete
598	How do you create an inheritance in JavaScript?	class SubClass extends MyClass {}	2024-09-03	Deactivate		Edit	Delete
599	How do you create an inheritance in Java?	public class SubClass extends MyClass {}	2024-09-03	Deactivate		Edit	Delete
600	How do you create an inheritance in C++?	class SubClass : public MyClass {}	2024-09-03	Deactivate		Edit	Delete
601	How do you override a method in Python?	def my_method(self): pass	2024-09-03	Deactivate		Edit	Delete
602	How do you override a method in JavaScript?	class SubClass extends MyClass { myMethod() {} }	2024-09-03	Deactivate		Edit	Delete
603	How do you override a method in Java?	public class SubClass extends MyClass { @Override public void myMethod() {} }	2024-09-03	Deactivate		Edit	Delete
604	How do you override a method in C++?	class SubClass : public MyClass { void myMethod() override {} }	2024-09-03	Deactivate		Edit	Delete
605	How do you define a class variable in Python?	class MyClass: class_variable = 10	2024-09-03	Deactivate		Edit	Delete
606	How do you define a class variable in JavaScript?	class MyClass { static classVariable = 10; }	2024-09-03	Deactivate		Edit	Delete
607	How do you define a class variable in Java?	public class MyClass { public static int classVariable = 10; }	2024-09-03	Deactivate		Edit	Delete
608	How do you define a class variable in C++?	class MyClass { static int classVariable; }; int MyClass::classVariable = 10;	2024-09-03	Deactivate		Edit	Delete
609	How do you use a lambda function in Python?	lambda x: x * 2	2024-09-03	Deactivate		Edit	Delete
610	How do you use a lambda function in JavaScript?	(x => x * 2)	2024-09-03	Deactivate		Edit	Delete
611	How do you use a lambda function in Java?	() -> { return x * 2; }	2024-09-03	Deactivate		Edit	Delete
612	How do you use a lambda function in C++?	[](int x) { return x * 2; }	2024-09-03	Deactivate		Edit	Delete
613	How do you write a comment in Python?	# This is a comment	2024-09-03	Deactivate		Edit	Delete
614	How do you write a comment in JavaScript?	// This is a comment	2024-09-03	Deactivate		Edit	Delete
615	How do you write a comment in Java?	// This is a comment	2024-09-03	Deactivate		Edit	Delete
616	How do you write a comment in C++?	// This is a comment	2024-09-03	Deactivate		Edit	Delete
617	How do you use a for loop in Python?	for i in range(5): print(i)	2024-09-03	Deactivate		Edit	Delete
618	How do you use a for loop in JavaScript?	for (let i = 0; i < 5; i++) { console.log(i); }	2024-09-03	Deactivate		Edit	Delete
619	How do you use a for loop in Java?	for (int i = 0; i < 5; i++) { System.out.println(i); }	2024-09-03	Deactivate		Edit	Delete
620	How do you use a for loop in C++?	for (int i = 0; i < 5; i++) { std::cout << i << std::endl; }	2024-09-03	Deactivate		Edit	Delete
621	How do you use a while loop in Python?	while condition: # code	2024-09-03	Deactivate		Edit	Delete
622	How do you use a while loop in JavaScript?	while (condition) { // code }	2024-09-03	Deactivate		Edit	Delete
623	How do you use a while loop in Java?	while (condition) { // code }	2024-09-03	Deactivate		Edit	Delete
624	How do you use a while loop in C++?	while (condition) { // code }	2024-09-03	Deactivate		Edit	Delete
625	How do you use a switch case in Python?	Python does not have a built-in switch case statement.	2024-09-03	Deactivate		Edit	Delete
626	How do you use a switch case in JavaScript?	switch (expression) { case value: // code break; default: // code }	2024-09-03	Deactivate		Edit	Delete
627	How do you use a switch case in Java?	switch (expression) { case value: // code break; default: // code }	2024-09-03	Deactivate		Edit	Delete
628	How do you use a switch case in C++?	switch (expression) { case value: // code break; default: // code }	2024-09-03	Deactivate		Edit	Delete
629	How do you import a module in Python?	import module_name	2024-09-03	Deactivate		Edit	Delete
630	Who wrote "Pride and Prejudice"?	Jane Austen	2024-09-04	Deactivate		Edit	Delete
631	What is the boiling point of water?	100°C	2024-09-04	Deactivate		Edit	Delete
632	What is the largest planet in our solar system?	Jupiter	2024-09-04	Deactivate		Edit	Delete
633	Who painted the Mona Lisa?	Leonardo da Vinci	2024-09-04	Deactivate		Edit	Delete
634	What is the speed of light?	299,792,458 m/s	2024-09-04	Deactivate		Edit	Delete
635	What is the chemical symbol for gold?	Au	2024-09-04	Deactivate		Edit	Delete
636	Who is known as the father of computers?	Charles Babbage	2024-09-04	Deactivate		Edit	Delete
637	What is the main ingredient in traditional sushi?	Rice	2024-09-04	Deactivate		Edit	Delete
638	Which element has the atomic number 1?	Hydrogen	2024-09-04	Deactivate		Edit	Delete
639	What is the capital of Italy?	Rome	2024-09-04	Deactivate		Edit	Delete
640	Who discovered penicillin?	Alexander Fleming	2024-09-04	Deactivate		Edit	Delete
641	What is the smallest planet in our solar system?	Mercury	2024-09-04	Deactivate		Edit	Delete
642	Who wrote "The Odyssey"?	Homer	2024-09-04	Deactivate		Edit	Delete
643	What is the chemical symbol for water?	H2O	2024-09-04	Deactivate		Edit	Delete
644	Who was the first person to walk on the moon?	Neil Armstrong	2024-09-04	Deactivate		Edit	Delete
645	What is the largest ocean on Earth?	Pacific Ocean	2024-09-04	Deactivate		Edit	Delete
646	Who developed the theory of relativity?	Albert Einstein	2024-09-04	Deactivate		Edit	Delete
647	What is the hardest natural substance on Earth?	Diamond	2024-09-04	Deactivate		Edit	Delete
648	Who painted the Sistine Chapel ceiling?	Michelangelo	2024-09-04	Deactivate		Edit	Delete
649	What is the capital of Japan?	Tokyo	2024-09-04	Deactivate		Edit	Delete
650	What is the largest desert in the world?	Sahara	2024-09-04	Deactivate		Edit	Delete
651	Who wrote "To Kill a Mockingbird"?	Harper Lee	2024-09-04	Deactivate		Edit	Delete
652	What is the chemical symbol for sodium?	Na	2024-09-04	Deactivate		Edit	Delete
653	Who was the first President of the United States?	George Washington	2024-09-04	Deactivate		Edit	Delete
654	What is the largest mammal in the world?	Blue Whale	2024-09-04	Deactivate		Edit	Delete
655	Who developed the polio vaccine?	Jonas Salk	2024-09-04	Deactivate		Edit	Delete
656	What is the capital of Canada?	Ottawa	2024-09-04	Deactivate		Edit	Delete
657	Who discovered gravity?	Isaac Newton	2024-09-04	Deactivate		Edit	Delete
658	What is the largest continent by area?	Asia	2024-09-04	Deactivate		Edit	Delete
659	Who wrote "1984"?	George Orwell	2024-09-04	Deactivate		Edit	Delete
660	What is the chemical symbol for iron?	Fe	2024-09-04	Deactivate		Edit	Delete
661	Who invented the telephone?	Alexander Graham Bell	2024-09-04	Deactivate		Edit	Delete
662	What is the deepest point in the ocean?	Mariana Trench	2024-09-04	Deactivate		Edit	Delete
663	What is the capital of Russia?	Moscow	2024-09-04	Deactivate		Edit	Delete
664	Who developed the first successful airplane?	Wright Brothers	2024-09-04	Deactivate		Edit	Delete
665	What is the largest organ in the human body?	Skin	2024-09-04	Deactivate		Edit	Delete
666	Who wrote "The Great Gatsby"?	F. Scott Fitzgerald	2024-09-04	Deactivate		Edit	Delete
667	What is the capital of China?	Beijing	2024-09-04	Deactivate		Edit	Delete
668	Who discovered penicillin?	Alexander Fleming	2024-09-04	Deactivate		Edit	Delete
669	What is the fastest land animal?	Cheetah	2024-09-04	Deactivate		Edit	Delete
670	Who is known as the father of modern physics?	Albert Einstein	2024-09-04	Deactivate		Edit	Delete
671	What is the chemical symbol for oxygen?	O	2024-09-04	Deactivate		Edit	Delete
672	Who wrote "War and Peace"?	Leo Tolstoy	2024-09-04	Deactivate		Edit	Delete
673	What is the capital of Australia?	Canberra	2024-09-04	Deactivate		Edit	Delete
674	What is the most abundant gas in the Earth's atmosphere?	Nitrogen	2024-09-04	Deactivate		Edit	Delete
675	Who discovered electricity?	Benjamin Franklin	2024-09-04	Deactivate		Edit	Delete
676	What is the tallest mountain in the world?	Mount Everest	2024-09-04	Deactivate		Edit	Delete
677	Who painted "Starry Night"?	Vincent van Gogh	2024-09-04	Deactivate		Edit	Delete
678	What is the capital of Brazil?	Brasília	2024-09-04	Deactivate		Edit	Delete
679	Who is known as the father of modern chemistry?	Antoine Lavoisier	2024-09-04	Deactivate		Edit	Delete
680	What is the chemical symbol for potassium?	K	2024-09-04	Deactivate		Edit	Delete
681	Who was the first woman to win a Nobel Prize?	Marie Curie	2024-09-04	Deactivate		Edit	Delete
682	What is the largest island in the world?	Greenland	2024-09-04	Deactivate		Edit	Delete
683	Who wrote "The Catcher in the Rye"?	J.D. Salinger	2024-09-04	Deactivate		Edit	Delete
684	What is the chemical symbol for silver?	Ag	2024-09-04	Deactivate		Edit	Delete
685	Who discovered the structure of DNA?	James Watson and Francis Crick	2024-09-04	Deactivate		Edit	Delete
686	What is the capital of Germany?	Berlin	2024-09-04	Deactivate		Edit	Delete
687	Who invented the light bulb?	Thomas Edison	2024-09-04	Deactivate		Edit	Delete
688	What is the largest bone in the human body?	Femur	2024-09-04	Deactivate		Edit	Delete
689	Who wrote "Moby-Dick"?	Herman Melville	2024-09-04	Deactivate		Edit	Delete
690	What is the capital of India?	New Delhi	2024-09-04	Deactivate		Edit	Delete
691	Who discovered the planet Uranus?	William Herschel	2024-09-04	Deactivate		Edit	Delete
692	What is the smallest bone in the human body?	Stapes	2024-09-04	Deactivate		Edit	Delete
693	Who wrote "The Divine Comedy"?	Dante Alighieri	2024-09-04	Deactivate		Edit	Delete
694	What is the chemical symbol for lead?	Pb	2024-09-04	Deactivate		Edit	Delete
695	Who discovered radioactivity?	Henri Becquerel	2024-09-04	Deactivate		Edit	Delete
696	What is the capital of South Korea?	Seoul	2024-09-04	Deactivate		Edit	Delete
697	Who developed the first successful vaccine for smallpox?	Edward Jenner	2024-09-04	Deactivate		Edit	Delete
698	What is the chemical symbol for mercury?	Hg	2024-09-04	Deactivate		Edit	Delete
699	Who wrote "The Lord of the Rings"?	J.R.R. Tolkien	2024-09-04	Deactivate		Edit	Delete
700	What is the capital of Spain?	Madrid	2024-09-04	Deactivate		Edit	Delete
701	Who developed the theory of evolution by natural selection?	Charles Darwin	2024-09-04	Deactivate		Edit	Delete
702	What is the chemical symbol for aluminum?	Al	2024-09-04	Deactivate		Edit	Delete
703	Who discovered the electron?	J.J. Thomson	2024-09-04	Deactivate		Edit	Delete
704	What is the largest lake in the world?	Caspian Sea	2024-09-04	Deactivate		Edit	Delete
705	Who painted "The Persistence of Memory"?	Salvador Dalí	2024-09-04	Deactivate		Edit	Delete
706	What is the capital of Egypt?	Cairo	2024-09-04	Deactivate		Edit	Delete
707	Who invented the first practical automobile?	Karl Benz	2024-09-04	Deactivate		Edit	Delete
708	What is the chemical symbol for gold?	Au	2024-09-04	Deactivate		Edit	Delete
709	Who wrote "Pride and Prejudice"?	Jane Austen	2024-09-04	Deactivate		Edit	Delete
710	What is the largest river in the world by volume?	Amazon River	2024-09-04	Deactivate		Edit	Delete
711	Who discovered penicillin?	Alexander Fleming	2024-09-04	Deactivate		Edit	Delete
712	What is the capital of France?	Paris	2024-09-04	Deactivate		Edit	Delete
713	Who developed the first successful vaccine?	Edward Jenner	2024-09-04	Deactivate		Edit	Delete
714	What is the chemical symbol for chlorine?	Cl	2024-09-04	Deactivate		Edit	Delete
715	Who wrote "Brave New World"?	Aldous Huxley	2024-09-04	Deactivate		Edit	Delete
716	What is the largest volcano in the world?	Mauna Loa	2024-09-04	Deactivate		Edit	Delete
717	Who painted "The Last Supper"?	Leonardo da Vinci	2024-09-04	Deactivate		Edit	Delete
718	What is the chemical symbol for carbon?	C	2024-09-04	Deactivate		Edit	Delete
719	Who wrote "The Iliad"?	Homer	2024-09-04	Deactivate		Edit	Delete
720	What is the capital of Mexico?	Mexico City	2024-09-04	Deactivate		Edit	Delete
721	Who discovered the circulation of blood?	William Harvey	2024-09-04	Deactivate		Edit	Delete
722	What is the chemical symbol for copper?	Cu	2024-09-04	Deactivate		Edit	Delete
723	Who wrote "The Brothers Karamazov"?	Fyodor Dostoevsky	2024-09-04	Deactivate		Edit	Delete
724	What is the highest mountain in Africa?	Mount Kilimanjaro	2024-09-04	Deactivate		Edit	Delete
725	Who painted the "Mona Lisa"?	Leonardo da Vinci	2024-09-04	Deactivate		Edit	Delete
726	What is the chemical symbol for zinc?	Zn	2024-09-04	Deactivate		Edit	Delete
727	Who wrote "Crime and Punishment"?	Fyodor Dostoevsky	2024-09-04	Deactivate		Edit	Delete
728	What is the largest island in the Mediterranean Sea?	Sicily	2024-09-04	Deactivate		Edit	Delete
729	Who developed the first successful polio vaccine?	Jonas Salk	2024-09-04	Deactivate		Edit	Delete
730	What is the chemical symbol for tin?	Sn	2024-09-04	Deactivate		Edit	Delete
731	What is the square root of 64?	8	2024-09-04	Deactivate		Edit	Delete
732	Who wrote "Hamlet"?	William Shakespeare	2024-09-04	Deactivate		Edit	Delete
733	What is the capital of Japan?	Tokyo	2024-09-04	Deactivate		Edit	Delete
734	Who developed the general theory of relativity?	Albert Einstein	2024-09-04	Deactivate		Edit	Delete
735	What is the chemical symbol for oxygen?	O	2024-09-04	Deactivate		Edit	Delete
736	Who wrote "The Great Gatsby"?	F. Scott Fitzgerald	2024-09-04	Deactivate		Edit	Delete
737	What is the capital of Italy?	Rome	2024-09-04	Deactivate		Edit	Delete
738	Who discovered the law of universal gravitation?	Isaac Newton	2024-09-04	Deactivate		Edit	Delete
739	What is the chemical symbol for helium?	He	2024-09-04	Deactivate		Edit	Delete
740	Who wrote "To Kill a Mockingbird"?	Harper Lee	2024-09-04	Deactivate		Edit	Delete
741	What is the largest planet in our solar system?	Jupiter	2024-09-04	Deactivate		Edit	Delete
742	Who discovered the laws of motion?	Isaac Newton	2024-09-04	Deactivate		Edit	Delete
743	What is the chemical symbol for sodium?	Na	2024-09-04	Deactivate		Edit	Delete
744	Who wrote "1984"?	George Orwell	2024-09-04	Deactivate		Edit	Delete
745	What is the tallest building in the world?	Burj Khalifa	2024-09-04	Deactivate		Edit	Delete
746	Who developed the theory of electromagnetism?	James Clerk Maxwell	2024-09-04	Deactivate		Edit	Delete
747	What is the chemical symbol for calcium?	Ca	2024-09-04	Deactivate		Edit	Delete
748	Who wrote "War and Peace"?	Leo Tolstoy	2024-09-04	Deactivate		Edit	Delete
749	What is the smallest planet in our solar system?	Mercury	2024-09-04	Deactivate		Edit	Delete
750	Who discovered the concept of the photon?	Albert Einstein	2024-09-04	Deactivate		Edit	Delete
751	What is the chemical symbol for iron?	Fe	2024-09-04	Deactivate		Edit	Delete
752	Who wrote "The Odyssey"?	Homer	2024-09-04	Deactivate		Edit	Delete
753	What is the deepest ocean in the world?	Pacific Ocean	2024-09-04	Deactivate		Edit	Delete
754	Who developed the periodic table of elements?	Dmitri Mendeleev	2024-09-04	Deactivate		Edit	Delete
755	What is the chemical symbol for hydrogen?	H	2024-09-04	Deactivate		Edit	Delete
756	Who wrote "The Adventures of Tom Sawyer"?	Mark Twain	2024-09-04	Deactivate		Edit	Delete
757	What is the most spoken language in the world?	Mandarin Chinese	2024-09-04	Deactivate		Edit	Delete
758	Who discovered the neutron?	James Chadwick	2024-09-04	Deactivate		Edit	Delete
759	What is the chemical symbol for fluorine?	F	2024-09-04	Deactivate		Edit	Delete
760	Who wrote "The Count of Monte Cristo"?	Alexandre Dumas	2024-09-04	Deactivate		Edit	Delete
761	What is the largest desert in the world?	Antarctic Desert	2024-09-04	Deactivate		Edit	Delete
762	Who discovered the law of conservation of mass?	Antoine Lavoisier	2024-09-04	Deactivate		Edit	Delete
763	What is the chemical symbol for magnesium?	Mg	2024-09-04	Deactivate		Edit	Delete
764	Who wrote "Les Misérables"?	Victor Hugo	2024-09-04	Deactivate		Edit	Delete
765	What is the fastest land animal?	Cheetah	2024-09-04	Deactivate		Edit	Delete
766	Who discovered the electron?	J.J. Thomson	2024-09-04	Deactivate		Edit	Delete
767	What is the chemical symbol for potassium?	K	2024-09-04	Deactivate		Edit	Delete
768	Who wrote "Moby-Dick"?	Herman Melville	2024-09-04	Deactivate		Edit	Delete
769	What is the largest mammal in the world?	Blue Whale	2024-09-04	Deactivate		Edit	Delete
770	Who discovered the DNA double helix structure?	James Watson and Francis Crick	2024-09-04	Deactivate		Edit	Delete
771	What is the chemical symbol for sulfur?	S	2024-09-04	Deactivate		Edit	Delete
772	Who wrote "Don Quixote"?	Miguel de Cervantes	2024-09-04	Deactivate		Edit	Delete
773	What is the longest river in Africa?	Nile River	2024-09-04	Deactivate		Edit	Delete
774	Who developed the theory of evolution by natural selection?	Charles Darwin	2024-09-04	Deactivate		Edit	Delete
775	What is the chemical symbol for neon?	Ne	2024-09-04	Deactivate		Edit	Delete
776	Who wrote "The Divine Comedy"?	Dante Alighieri	2024-09-04	Deactivate		Edit	Delete
777	What is the largest ocean on Earth?	Pacific Ocean	2024-09-04	Deactivate		Edit	Delete
778	Who discovered the electron?	J.J. Thomson	2024-09-04	Deactivate		Edit	Delete
779	What is the chemical symbol for nitrogen?	N	2024-09-04	Deactivate		Edit	Delete
780	Who wrote "The Old Man and the Sea"?	Ernest Hemingway	2024-09-04	Deactivate		Edit	Delete
781	What is the tallest mountain in the world?	Mount Everest	2024-09-04	Deactivate		Edit	Delete
782	Who discovered penicillin?	Alexander Fleming	2024-09-04	Deactivate		Edit	Delete
783	What is the chemical symbol for argon?	Ar	2024-09-04	Deactivate		Edit	Delete
784	Who wrote "The Catcher in the Rye"?	J.D. Salinger	2024-09-04	Deactivate		Edit	Delete
785	What is the largest country by land area?	Russia	2024-09-04	Deactivate		Edit	Delete
786	Who developed the theory of general relativity?	Albert Einstein	2024-09-04	Deactivate		Edit	Delete
787	What is the chemical symbol for chlorine?	Cl	2024-09-04	Deactivate		Edit	Delete
788	Who wrote "Frankenstein"?	Mary Shelley	2024-09-04	Deactivate		Edit	Delete
789	What is the most abundant gas in the Earth's atmosphere?	Nitrogen	2024-09-04	Deactivate		Edit	Delete
790	Who discovered the law of gravity?	Isaac Newton	2024-09-04	Deactivate		Edit	Delete
791	What is the chemical symbol for silver?	Ag	2024-09-04	Deactivate		Edit	Delete
792	Who wrote "The Hobbit"?	J.R.R. Tolkien	2024-09-04	Deactivate		Edit	Delete
793	What is the hottest planet in our solar system?	Venus	2024-09-04	Deactivate		Edit	Delete
794	Who discovered the radioactivity?	Henri Becquerel	2024-09-04	Deactivate		Edit	Delete
795	What is the chemical symbol for gold?	Au	2024-09-04	Deactivate		Edit	Delete
796	Who wrote "The Picture of Dorian Gray"?	Oscar Wilde	2024-09-04	Deactivate		Edit	Delete
797	What is the largest lake in the world by surface area?	Caspian Sea	2024-09-04	Deactivate		Edit	Delete
798	Who discovered the X-ray?	Wilhelm Conrad Roentgen	2024-09-04	Deactivate		Edit	Delete
799	What is the chemical symbol for carbon?	C	2024-09-04	Deactivate		Edit	Delete
800	Who wrote "Pride and Prejudice"?	Jane Austen	2024-09-04	Deactivate		Edit	Delete
801	What is the most populous country in the world?	China	2024-09-04	Deactivate		Edit	Delete
802	Who discovered the law of reflection?	Euclid	2024-09-04	Deactivate		Edit	Delete
803	What is the chemical symbol for phosphorus?	P	2024-09-04	Deactivate		Edit	Delete
804	Who wrote "Great Expectations"?	Charles Dickens	2024-09-04	Deactivate		Edit	Delete
805	What is the smallest continent by land area?	Australia	2024-09-04	Deactivate		Edit	Delete
806	Who discovered the law of definite proportions?	Joseph Proust	2024-09-04	Deactivate		Edit	Delete
807	What is the chemical symbol for platinum?	Pt	2024-09-04	Deactivate		Edit	Delete
808	Who wrote "Anna Karenina"?	Leo Tolstoy	2024-09-04	Deactivate		Edit	Delete
809	What is the longest river in the world?	Nile River	2024-09-04	Deactivate		Edit	Delete
810	Who discovered the photoelectric effect?	Albert Einstein	2024-09-04	Deactivate		Edit	Delete
811	What is the chemical symbol for aluminum?	Al	2024-09-04	Deactivate		Edit	Delete
812	Who wrote "Wuthering Heights"?	Emily Brontë	2024-09-04	Deactivate		Edit	Delete
813	What is the largest island in the world?	Greenland	2024-09-04	Deactivate		Edit	Delete
814	Who discovered the proton?	Ernest Rutherford	2024-09-04	Deactivate		Edit	Delete
815	What is the chemical symbol for zinc?	Zn	2024-09-04	Deactivate		Edit	Delete
816	Who wrote "The Brothers Karamazov"?	Fyodor Dostoevsky	2024-09-04	Deactivate		Edit	Delete
817	What is the highest waterfall in the world?	Angel Falls	2024-09-04	Deactivate		Edit	Delete
818	Who developed the theory of plate tectonics?	Alfred Wegener	2024-09-04	Deactivate		Edit	Delete
819	What is the chemical symbol for lead?	Pb	2024-09-04	Deactivate		Edit	Delete
820	Who wrote "The Grapes of Wrath"?	John Steinbeck	2024-09-04	Deactivate		Edit	Delete
821	What is the deepest point in the world?	Mariana Trench	2024-09-04	Deactivate		Edit	Delete
822	Who developed the theory of quantum mechanics?	Max Planck	2024-09-04	Deactivate		Edit	Delete
823	What is the chemical symbol for copper?	Cu	2024-09-04	Deactivate		Edit	Delete
824	Who wrote "One Hundred Years of Solitude"?	Gabriel García Márquez	2024-09-04	Deactivate		Edit	Delete
825	How do you declare a variable in JavaScript?	let variableName = value;	2024-09-04	Deactivate		Edit	Delete
826	How do you declare a variable in Java?	int variableName = value;	2024-09-04	Deactivate		Edit	Delete
827	How do you declare a variable in C++?	int variableName = value;	2024-09-04	Deactivate		Edit	Delete
828	How do you write a function in Python?	def function_name(parameters): # code	2024-09-04	Deactivate		Edit	Delete
829	How do you write a function in JavaScript?	function functionName(parameters) { // code }	2024-09-04	Deactivate		Edit	Delete
830	How do you write a function in Java?	public returnType functionName(parameters) { // code }	2024-09-04	Deactivate		Edit	Delete
831	How do you write a function in C++?	returnType functionName(parameters) { // code }	2024-09-04	Deactivate		Edit	Delete
832	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
833	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
834	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
835	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
836	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
837	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
838	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
839	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
840	How do you convert a string to an integer in Python?	num = int(string)	2024-09-04	Deactivate		Edit	Delete
841	How do you convert a string to an integer in JavaScript?	let num = parseInt(string);	2024-09-04	Deactivate		Edit	Delete
842	How do you convert a string to an integer in Java?	int num = Integer.parseInt(string);	2024-09-04	Deactivate		Edit	Delete
843	How do you convert a string to an integer in C++?	int num = std::stoi(string);	2024-09-04	Deactivate		Edit	Delete
844	How do you write a for loop in Python?	for i in range(10): print(i)	2024-09-04	Deactivate		Edit	Delete
845	How do you write a for loop in JavaScript?	for (let i = 0; i < 10; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
846	How do you write a for loop in Java?	for (int i = 0; i < 10; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
847	How do you write a for loop in C++?	for (int i = 0; i < 10; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
848	How do you reverse a string in Python?	reversed_string = my_string[::-1]	2024-09-04	Deactivate		Edit	Delete
849	How do you reverse a string in JavaScript?	let reversedString = myString.split('').reverse().join('');	2024-09-04	Deactivate		Edit	Delete
850	How do you reverse a string in Java?	String reversedString = new StringBuilder(myString).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
851	How do you reverse a string in C++?	std::string reversedString = std::string(myString.rbegin(), myString.rend());	2024-09-04	Deactivate		Edit	Delete
852	How do you create a dictionary in Python?	my_dict = {'key': 'value'}	2024-09-04	Deactivate		Edit	Delete
853	How do you create an object in JavaScript?	let myObject = { key: value };	2024-09-04	Deactivate		Edit	Delete
854	How do you create a map in Java?	Map myMap = new HashMap<>();	2024-09-04	Deactivate		Edit	Delete
855	How do you create a map in C++?	std::map myMap;	2024-09-04	Deactivate		Edit	Delete
856	How do you convert a list to a string in Python?	result = ",".join(my_list)	2024-09-04	Deactivate		Edit	Delete
857	How do you convert an array to a string in JavaScript?	let result = myArray.join(",");	2024-09-04	Deactivate		Edit	Delete
858	How do you convert an array to a string in Java?	String result = String.join(",", myArray);	2024-09-04	Deactivate		Edit	Delete
859	How do you convert an array to a string in C++?	std::string result = std::accumulate(std::next(myArray.begin()), myArray.end(), std::to_string(myArray[0]), [](std::string a, int b) { return a + "," + std::to_string(b); });	2024-09-04	Deactivate		Edit	Delete
860	How do you create a tuple in Python?	my_tuple = (1, 2, 3)	2024-09-04	Deactivate		Edit	Delete
861	How do you create a set in Python?	my_set = {1, 2, 3}	2024-09-04	Deactivate		Edit	Delete
862	How do you create a set in JavaScript?	let mySet = new Set([1, 2, 3]);	2024-09-04	Deactivate		Edit	Delete
863	How do you create a set in Java?	Set mySet = new HashSet<>(Arrays.asList(1, 2, 3));	2024-09-04	Deactivate		Edit	Delete
864	How do you create a set in C++?	std::set mySet = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
865	How do you create a list of lists in Python?	list_of_lists = [[1, 2], [3, 4]]	2024-09-04	Deactivate		Edit	Delete
866	How do you create a 2D array in JavaScript?	let matrix = [[1, 2], [3, 4]];	2024-09-04	Deactivate		Edit	Delete
867	How do you create a 2D array in Java?	int[][] matrix = {{1, 2}, {3, 4}};	2024-09-04	Deactivate		Edit	Delete
868	How do you create a 2D array in C++?	int matrix[2][2] = {{1, 2}, {3, 4}};	2024-09-04	Deactivate		Edit	Delete
869	How do you create a list comprehension in Python?	[x for x in range(10) if x % 2 == 0]	2024-09-04	Deactivate		Edit	Delete
870	How do you create an arrow function in JavaScript?	let func = (x) => x * 2;	2024-09-04	Deactivate		Edit	Delete
871	How do you create a lambda expression in Java?	List list = Arrays.asList(1, 2, 3); list.forEach(x -> System.out.println(x));	2024-09-04	Deactivate		Edit	Delete
872	How do you create a lambda function in C++?	auto func = [](int x) { return x * 2; };	2024-09-04	Deactivate		Edit	Delete
873	How do you handle exceptions in Python?	try: # code except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
874	How do you handle exceptions in JavaScript?	try { // code } catch (e) { console.log(e); }	2024-09-04	Deactivate		Edit	Delete
875	How do you handle exceptions in Java?	try { // code } catch (Exception e) { System.out.println(e); }	2024-09-04	Deactivate		Edit	Delete
876	How do you handle exceptions in C++?	try { // code } catch (std::exception& e) { std::cout << e.what() << std::endl; }	2024-09-04	Deactivate		Edit	Delete
877	How do you write a class in Python?	class MyClass: def __init__(self): pass	2024-09-04	Deactivate		Edit	Delete
878	How do you write a class in JavaScript?	class MyClass { constructor() { // code } }	2024-09-04	Deactivate		Edit	Delete
879	How do you write a class in Java?	public class MyClass { public MyClass() { // code } }	2024-09-04	Deactivate		Edit	Delete
880	How do you write a class in C++?	class MyClass { public: MyClass() { // code } };	2024-09-04	Deactivate		Edit	Delete
881	How do you inherit a class in Python?	class ChildClass(ParentClass): pass	2024-09-04	Deactivate		Edit	Delete
882	How do you inherit a class in JavaScript?	class ChildClass extends ParentClass { constructor() { super(); } }	2024-09-04	Deactivate		Edit	Delete
883	How do you inherit a class in Java?	public class ChildClass extends ParentClass { public ChildClass() { super(); } }	2024-09-04	Deactivate		Edit	Delete
884	How do you inherit a class in C++?	class ChildClass : public ParentClass { public: ChildClass() : ParentClass() {} };	2024-09-04	Deactivate		Edit	Delete
885	How do you read a file in Python?	with open('file.txt', 'r') as file: data = file.read()	2024-09-04	Deactivate		Edit	Delete
886	How do you read a file in JavaScript?	const fs = require('fs'); fs.readFile('file.txt', 'utf8', (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
887	How do you read a file in Java?	BufferedReader reader = new BufferedReader(new FileReader("file.txt")); String line = reader.readLine();	2024-09-04	Deactivate		Edit	Delete
888	How do you read a file in C++?	std::ifstream file("file.txt"); std::string line; while (std::getline(file, line)) { std::cout << line << std::endl; }	2024-09-04	Deactivate		Edit	Delete
889	How do you write to a file in Python?	with open('file.txt', 'w') as file: file.write('Hello World')	2024-09-04	Deactivate		Edit	Delete
890	How do you write to a file in JavaScript?	const fs = require('fs'); fs.writeFile('file.txt', 'Hello World', (err) => { if (err) throw err; console.log('File written'); });	2024-09-04	Deactivate		Edit	Delete
891	How do you write to a file in Java?	BufferedWriter writer = new BufferedWriter(new FileWriter("file.txt")); writer.write("Hello World");	2024-09-04	Deactivate		Edit	Delete
892	How do you write to a file in C++?	std::ofstream file("file.txt"); file << "Hello World";	2024-09-04	Deactivate		Edit	Delete
893	How do you append to a file in Python?	with open('file.txt', 'a') as file: file.write('Hello Again')	2024-09-04	Deactivate		Edit	Delete
894	How do you append to a file in JavaScript?	const fs = require('fs'); fs.appendFile('file.txt', 'Hello Again', (err) => { if (err) throw err; console.log('File appended'); });	2024-09-04	Deactivate		Edit	Delete
895	How do you append to a file in Java?	BufferedWriter writer = new BufferedWriter(new FileWriter("file.txt", true)); writer.write("Hello Again");	2024-09-04	Deactivate		Edit	Delete
896	How do you append to a file in C++?	std::ofstream file("file.txt", std::ios_base::app); file << "Hello Again";	2024-09-04	Deactivate		Edit	Delete
897	How do you delete a file in Python?	import os os.remove('file.txt')	2024-09-04	Deactivate		Edit	Delete
898	How do you delete a file in JavaScript?	const fs = require('fs'); fs.unlink('file.txt', (err) => { if (err) throw err; console.log('File deleted'); });	2024-09-04	Deactivate		Edit	Delete
899	How do you delete a file in Java?	File file = new File("file.txt"); if (file.delete()) { System.out.println("File deleted"); }	2024-09-04	Deactivate		Edit	Delete
900	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
901	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
902	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
903	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
904	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
905	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
906	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
907	How do you create a vector in C++?	std::vector myVector = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
908	How do you check if a list is empty in Python?	if not my_list:	2024-09-04	Deactivate		Edit	Delete
909	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
910	How do you check if an array is empty in Java?	if (myArray.length == 0) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
911	How do you check if a vector is empty in C++?	if (myVector.empty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
912	How do you append to a list in Python?	my_list.append(item)	2024-09-04	Deactivate		Edit	Delete
913	How do you append to an array in JavaScript?	myArray.push(item);	2024-09-04	Deactivate		Edit	Delete
914	How do you append to an array in Java?	myList.add(item);	2024-09-04	Deactivate		Edit	Delete
915	How do you append to a vector in C++?	myVector.push_back(item);	2024-09-04	Deactivate		Edit	Delete
916	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
917	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
918	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
919	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
920	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
921	How do you find the length of an array in JavaScript?	let length = myArray.length;	2024-09-04	Deactivate		Edit	Delete
922	How do you find the length of a list in Java?	int length = myList.size();	2024-09-04	Deactivate		Edit	Delete
923	How do you find the size of a vector in C++?	size_t size = myVector.size();	2024-09-04	Deactivate		Edit	Delete
924	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-04	Deactivate		Edit	Delete
925	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
926	How do you remove an item from a list in Java?	myList.remove(item);	2024-09-04	Deactivate		Edit	Delete
927	How do you remove an item from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
928	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
929	How do you find the maximum value in an array in JavaScript?	let maxValue = Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
930	How do you find the maximum value in a list in Java?	int maxValue = Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
931	How do you find the maximum value in a vector in C++?	int maxValue = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
932	How do you check if a number is even in Python?	is_even = number % 2 == 0	2024-09-04	Deactivate		Edit	Delete
933	How do you check if a number is even in JavaScript?	let isEven = number % 2 === 0;	2024-09-04	Deactivate		Edit	Delete
934	How do you check if a number is even in Java?	boolean isEven = number % 2 == 0;	2024-09-04	Deactivate		Edit	Delete
935	How do you check if a number is even in C++?	bool isEven = number % 2 == 0;	2024-09-04	Deactivate		Edit	Delete
936	How do you check if a number is odd in Python?	is_odd = number % 2 != 0	2024-09-04	Deactivate		Edit	Delete
937	How do you check if a number is odd in JavaScript?	let isOdd = number % 2 !== 0;	2024-09-04	Deactivate		Edit	Delete
938	How do you check if a number is odd in Java?	boolean isOdd = number % 2 != 0;	2024-09-04	Deactivate		Edit	Delete
939	How do you check if a number is odd in C++?	bool isOdd = number % 2 != 0;	2024-09-04	Deactivate		Edit	Delete
940	How do you find the factorial of a number in Python?	import math factorial = math.factorial(number)	2024-09-04	Deactivate		Edit	Delete
941	How do you find the factorial of a number in JavaScript?	function factorial(n) { if (n <= 1) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
942	How do you find the factorial of a number in Java?	public static long factorial(int n) { if (n <= 1) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
943	How do you find the factorial of a number in C++?	long long factorial(int n) { if (n <= 1) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
944	How do you reverse a string in Python?	reversed_str = str[::-1]	2024-09-04	Deactivate		Edit	Delete
945	How do you reverse a string in JavaScript?	let reversedStr = str.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
946	How do you reverse a string in Java?	String reversedStr = new StringBuilder(str).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
947	How do you reverse a string in C++?	std::reverse(str.begin(), str.end());	2024-09-04	Deactivate		Edit	Delete
948	How do you find the length of a string in Python?	length = len(my_string)	2024-09-04	Deactivate		Edit	Delete
949	How do you find the length of a string in JavaScript?	let length = myString.length;	2024-09-04	Deactivate		Edit	Delete
950	How do you find the length of a string in Java?	int length = myString.length();	2024-09-04	Deactivate		Edit	Delete
951	How do you find the length of a string in C++?	size_t length = myString.length();	2024-09-04	Deactivate		Edit	Delete
952	How do you convert a string to uppercase in Python?	upper_str = my_string.upper()	2024-09-04	Deactivate		Edit	Delete
953	How do you convert a string to uppercase in JavaScript?	let upperStr = myString.toUpperCase();	2024-09-04	Deactivate		Edit	Delete
954	How do you convert a string to uppercase in Java?	String upperStr = myString.toUpperCase();	2024-09-04	Deactivate		Edit	Delete
955	How do you convert a string to uppercase in C++?	std::transform(myString.begin(), myString.end(), myString.begin(), ::toupper);	2024-09-04	Deactivate		Edit	Delete
956	How do you convert a string to lowercase in Python?	lower_str = my_string.lower()	2024-09-04	Deactivate		Edit	Delete
957	How do you convert a string to lowercase in JavaScript?	let lowerStr = myString.toLowerCase();	2024-09-04	Deactivate		Edit	Delete
958	How do you convert a string to lowercase in Java?	String lowerStr = myString.toLowerCase();	2024-09-04	Deactivate		Edit	Delete
959	How do you convert a string to lowercase in C++?	std::transform(myString.begin(), myString.end(), myString.begin(), ::tolower);	2024-09-04	Deactivate		Edit	Delete
960	How do you find the index of an element in a list in Python?	index = my_list.index(element)	2024-09-04	Deactivate		Edit	Delete
961	How do you find the index of an element in an array in JavaScript?	let index = myArray.indexOf(element);	2024-09-04	Deactivate		Edit	Delete
962	How do you find the index of an element in a list in Java?	int index = myList.indexOf(element);	2024-09-04	Deactivate		Edit	Delete
963	How do you find the index of an element in a vector in C++?	auto it = std::find(myVector.begin(), myVector.end(), element); int index = std::distance(myVector.begin(), it);	2024-09-04	Deactivate		Edit	Delete
964	How do you check if a key exists in a dictionary in Python?	if key in my_dict:	2024-09-04	Deactivate		Edit	Delete
965	How do you check if a key exists in an object in JavaScript?	if (key in myObject) { /* key exists */ }	2024-09-04	Deactivate		Edit	Delete
966	How do you check if a key exists in a map in Java?	boolean exists = myMap.containsKey(key);	2024-09-04	Deactivate		Edit	Delete
967	How do you check if a key exists in a map in C++?	bool exists = myMap.find(key) != myMap.end();	2024-09-04	Deactivate		Edit	Delete
968	How do you remove a key from a dictionary in Python?	del my_dict[key]	2024-09-04	Deactivate		Edit	Delete
969	How do you remove a key from an object in JavaScript?	delete myObject[key];	2024-09-04	Deactivate		Edit	Delete
970	How do you remove a key from a map in Java?	myMap.remove(key);	2024-09-04	Deactivate		Edit	Delete
971	How do you remove a key from a map in C++?	myMap.erase(key);	2024-09-04	Deactivate		Edit	Delete
972	How do you get the value associated with a key in a dictionary in Python?	value = my_dict[key]	2024-09-04	Deactivate		Edit	Delete
973	How do you get the value associated with a key in an object in JavaScript?	let value = myObject[key];	2024-09-04	Deactivate		Edit	Delete
974	How do you get the value associated with a key in a map in Java?	V value = myMap.get(key);	2024-09-04	Deactivate		Edit	Delete
975	How do you get the value associated with a key in a map in C++?	auto it = myMap.find(key); if (it != myMap.end()) { value = it->second; }	2024-09-04	Deactivate		Edit	Delete
976	How do you iterate over a list in Python?	for item in my_list:	2024-09-04	Deactivate		Edit	Delete
977	How do you iterate over an array in JavaScript?	for (let item of myArray) { /* process item */ }	2024-09-04	Deactivate		Edit	Delete
978	How do you iterate over a list in Java?	for (Object item : myList) { /* process item */ }	2024-09-04	Deactivate		Edit	Delete
979	How do you iterate over a vector in C++?	for (const auto& item : myVector) { /* process item */ }	2024-09-04	Deactivate		Edit	Delete
980	How do you define a function in Python?	def my_function(param1, param2): return result	2024-09-04	Deactivate		Edit	Delete
981	How do you define a function in JavaScript?	function myFunction(param1, param2) { return result; }	2024-09-04	Deactivate		Edit	Delete
982	How do you define a method in Java?	public ReturnType myMethod(ParamType param1, ParamType param2) { return result; }	2024-09-04	Deactivate		Edit	Delete
983	How do you define a function in C++?	ReturnType myFunction(ParamType param1, ParamType param2) { return result; }	2024-09-04	Deactivate		Edit	Delete
984	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
985	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
986	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
987	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
988	How do you check if a list is empty in Python?	if not my_list:	2024-09-04	Deactivate		Edit	Delete
989	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { /* array is empty */ }	2024-09-04	Deactivate		Edit	Delete
990	How do you check if a list is empty in Java?	if (myList.isEmpty()) { /* list is empty */ }	2024-09-04	Deactivate		Edit	Delete
991	How do you check if a vector is empty in C++?	if (myVector.empty()) { /* vector is empty */ }	2024-09-04	Deactivate		Edit	Delete
992	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
993	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
994	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
995	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
996	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
997	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
998	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
999	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1000	How do you reverse a string in Python?	reversed_str = my_string[::-1]	2024-09-04	Deactivate		Edit	Delete
1001	How do you reverse a string in JavaScript?	let reversedStr = myString.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
1002	How do you reverse a string in Java?	String reversedStr = new StringBuilder(myString).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
1003	How do you reverse a string in C++?	std::reverse(myString.begin(), myString.end());	2024-09-04	Deactivate		Edit	Delete
1004	How do you check if a number is even in Python?	if num % 2 == 0:	2024-09-04	Deactivate		Edit	Delete
1005	How do you check if a number is even in JavaScript?	if (num % 2 === 0) { /* number is even */ }	2024-09-04	Deactivate		Edit	Delete
1006	How do you check if a number is even in Java?	if (num % 2 == 0) { /* number is even */ }	2024-09-04	Deactivate		Edit	Delete
1007	How do you check if a number is even in C++?	if (num % 2 == 0) { /* number is even */ }	2024-09-04	Deactivate		Edit	Delete
1008	How do you calculate the factorial of a number in Python?	import math factorial = math.factorial(n)	2024-09-04	Deactivate		Edit	Delete
1009	How do you calculate the factorial of a number in JavaScript?	function factorial(n) { if (n === 0) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
1010	How do you calculate the factorial of a number in Java?	public static int factorial(int n) { if (n == 0) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
1011	How do you calculate the factorial of a number in C++?	int factorial(int n) { if (n == 0) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
1012	How do you define a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
1013	How do you define a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
1014	How do you define a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
1015	How do you define a class in C++?	class MyClass { int value; public: MyClass(int val) : value(val) {} };	2024-09-04	Deactivate		Edit	Delete
1016	How do you create an object in Python?	obj = MyClass(value)	2024-09-04	Deactivate		Edit	Delete
1017	How do you create an object in JavaScript?	let obj = new MyClass(value);	2024-09-04	Deactivate		Edit	Delete
1018	How do you create an object in Java?	MyClass obj = new MyClass(value);	2024-09-04	Deactivate		Edit	Delete
1019	How do you create an object in C++?	MyClass obj(value);	2024-09-04	Deactivate		Edit	Delete
1020	How do you access an attribute of an object in Python?	obj.attribute	2024-09-04	Deactivate		Edit	Delete
1021	How do you access an attribute of an object in JavaScript?	obj.attribute	2024-09-04	Deactivate		Edit	Delete
1022	How do you access an attribute of an object in Java?	obj.getAttribute()	2024-09-04	Deactivate		Edit	Delete
1023	How do you access an attribute of an object in C++?	obj.attribute	2024-09-04	Deactivate		Edit	Delete
1024	How do you implement inheritance in Python?	class SubClass(MyClass): pass	2024-09-04	Deactivate		Edit	Delete
1025	How do you implement inheritance in JavaScript?	class SubClass extends MyClass { // code }	2024-09-04	Deactivate		Edit	Delete
1026	How do you implement inheritance in Java?	public class SubClass extends MyClass { // code }	2024-09-04	Deactivate		Edit	Delete
1027	How do you implement inheritance in C++?	class SubClass : public MyClass { // code };	2024-09-04	Deactivate		Edit	Delete
1028	How do you create a list of numbers in Python?	numbers = list(range(start, end))	2024-09-04	Deactivate		Edit	Delete
1029	How do you create an array of numbers in JavaScript?	let numbers = Array.from({length: end - start}, (_, i) => i + start);	2024-09-04	Deactivate		Edit	Delete
1030	How do you create a list of numbers in Java?	List numbers = IntStream.range(start, end).boxed().collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
1031	How do you create a vector of numbers in C++?	std::vector numbers(start, end);	2024-09-04	Deactivate		Edit	Delete
1032	How do you iterate over a list in Python?	for item in my_list:	2024-09-04	Deactivate		Edit	Delete
1033	How do you iterate over an array in JavaScript?	myArray.forEach(item => { /* code */ });	2024-09-04	Deactivate		Edit	Delete
1034	How do you iterate over a list in Java?	for (Integer item : myList) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
1035	How do you iterate over a vector in C++?	for (const auto& item : myVector) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
1036	How do you add an element to a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
1037	How do you add an element to an array in JavaScript?	myArray.push(element);	2024-09-04	Deactivate		Edit	Delete
1038	How do you add an element to a list in Java?	myList.add(element);	2024-09-04	Deactivate		Edit	Delete
1039	How do you add an element to a vector in C++?	myVector.push_back(element);	2024-09-04	Deactivate		Edit	Delete
1040	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
1041	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
1042	How do you remove an element from a list in Java?	myList.remove(element);	2024-09-04	Deactivate		Edit	Delete
1043	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
1044	How do you check if a key exists in a dictionary in Python?	if key in my_dict:	2024-09-04	Deactivate		Edit	Delete
1045	How do you check if a key exists in an object in JavaScript?	if (key in myObject) { /* key exists */ }	2024-09-04	Deactivate		Edit	Delete
1046	How do you check if a key exists in a Map in Java?	if (myMap.containsKey(key)) { /* key exists */ }	2024-09-04	Deactivate		Edit	Delete
1047	How do you check if a key exists in a map in C++?	if (myMap.find(key) != myMap.end()) { /* key exists */ }	2024-09-04	Deactivate		Edit	Delete
1048	How do you convert a string to an integer in Python?	num = int(my_string)	2024-09-04	Deactivate		Edit	Delete
1049	How do you convert a string to a number in JavaScript?	let num = parseInt(myString, 10);	2024-09-04	Deactivate		Edit	Delete
1050	How do you convert a string to an integer in Java?	int num = Integer.parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
1051	How do you convert a string to an integer in C++?	int num = std::stoi(myString);	2024-09-04	Deactivate		Edit	Delete
1052	How do you check if a string contains a substring in Python?	if substring in my_string:	2024-09-04	Deactivate		Edit	Delete
1053	How do you check if a string contains a substring in JavaScript?	if (myString.includes(substring)) { /* substring exists */ }	2024-09-04	Deactivate		Edit	Delete
1054	How do you check if a string contains a substring in Java?	if (myString.contains(substring)) { /* substring exists */ }	2024-09-04	Deactivate		Edit	Delete
1055	How do you check if a string contains a substring in C++?	if (myString.find(substring) != std::string::npos) { /* substring exists */ }	2024-09-04	Deactivate		Edit	Delete
1056	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
1057	How do you read a file in JavaScript (Node.js)?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { /* code */ });	2024-09-04	Deactivate		Edit	Delete
1058	How do you read a file in Java?	try (BufferedReader br = new BufferedReader(new FileReader("file.txt"))) { String line; while ((line = br.readLine()) != null) { // process line } }	2024-09-04	Deactivate		Edit	Delete
1059	How do you read a file in C++?	std::ifstream file("file.txt"); std::string line; while (std::getline(file, line)) { // process line }	2024-09-04	Deactivate		Edit	Delete
1060	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, world!")	2024-09-04	Deactivate		Edit	Delete
1061	How do you write to a file in JavaScript (Node.js)?	const fs = require("fs"); fs.writeFile("file.txt", "Hello, world!", (err) => { /* code */ });	2024-09-04	Deactivate		Edit	Delete
1062	How do you write to a file in Java?	try (PrintWriter writer = new PrintWriter(new FileWriter("file.txt"))) { writer.println("Hello, world!"); }	2024-09-04	Deactivate		Edit	Delete
1063	How do you write to a file in C++?	std::ofstream file("file.txt"); file << "Hello, world!";	2024-09-04	Deactivate		Edit	Delete
1064	How do you create a function in Python?	def my_function(param): return param * 2	2024-09-04	Deactivate		Edit	Delete
1065	How do you create a function in JavaScript?	function myFunction(param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
1066	How do you create a method in Java?	public int myMethod(int param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
1067	How do you create a method in C++?	int myMethod(int param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
1068	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
1069	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1070	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1071	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1072	How do you create a list in Python?	my_list = []	2024-09-04	Deactivate		Edit	Delete
1073	How do you create an array in JavaScript?	let myArray = []	2024-09-04	Deactivate		Edit	Delete
1074	How do you create an ArrayList in Java?	ArrayList list = new ArrayList<>();	2024-09-04	Deactivate		Edit	Delete
1075	How do you create a vector in C++?	std::vector myVector;	2024-09-04	Deactivate		Edit	Delete
1076	How do you get the length of a list in Python?	len(my_list)	2024-09-04	Deactivate		Edit	Delete
1077	How do you get the length of an array in JavaScript?	myArray.length	2024-09-04	Deactivate		Edit	Delete
1078	How do you get the size of an ArrayList in Java?	list.size()	2024-09-04	Deactivate		Edit	Delete
1079	How do you get the size of a vector in C++?	myVector.size()	2024-09-04	Deactivate		Edit	Delete
1080	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
1081	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1082	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1083	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1084	How do you check if a list is empty in Python?	if not my_list:	2024-09-04	Deactivate		Edit	Delete
1085	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1086	How do you check if an ArrayList is empty in Java?	if (list.isEmpty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1087	How do you check if a vector is empty in C++?	if (myVector.empty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1088	How do you access an element in a list in Python?	element = my_list[index]	2024-09-04	Deactivate		Edit	Delete
1089	How do you access an element in an array in JavaScript?	let element = myArray[index];	2024-09-04	Deactivate		Edit	Delete
1090	How do you access an element in an ArrayList in Java?	Type element = list.get(index);	2024-09-04	Deactivate		Edit	Delete
1091	How do you access an element in a vector in C++?	Type element = myVector[index];	2024-09-04	Deactivate		Edit	Delete
1092	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1093	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
1094	How do you sort an ArrayList in Java?	Collections.sort(list);	2024-09-04	Deactivate		Edit	Delete
1095	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1096	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1097	How do you reverse an array in JavaScript?	myArray.reverse()	2024-09-04	Deactivate		Edit	Delete
1098	How do you reverse an ArrayList in Java?	Collections.reverse(list);	2024-09-04	Deactivate		Edit	Delete
1099	How do you reverse a vector in C++?	std::reverse(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1100	How do you append to a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
1101	How do you append to an array in JavaScript?	myArray.push(element);	2024-09-04	Deactivate		Edit	Delete
1102	How do you add an element to an ArrayList in Java?	list.add(element);	2024-09-04	Deactivate		Edit	Delete
1103	How do you add an element to a vector in C++?	myVector.push_back(element);	2024-09-04	Deactivate		Edit	Delete
1104	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
1105	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
1106	How do you remove an element from an ArrayList in Java?	list.remove(index);	2024-09-04	Deactivate		Edit	Delete
1107	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
1108	How do you check if a key exists in a dictionary in Python?	if key in my_dict:	2024-09-04	Deactivate		Edit	Delete
1109	How do you check if a key exists in an object in JavaScript?	if (key in myObject) { /* exists */ }	2024-09-04	Deactivate		Edit	Delete
1110	How do you check if a key exists in a map in Java?	if (myMap.containsKey(key)) { /* exists */ }	2024-09-04	Deactivate		Edit	Delete
1111	How do you check if a key exists in a map in C++?	if (myMap.find(key) != myMap.end()) { /* exists */ }	2024-09-04	Deactivate		Edit	Delete
1112	How do you get a value by key from a dictionary in Python?	value = my_dict[key]	2024-09-04	Deactivate		Edit	Delete
1113	How do you get a value by key from an object in JavaScript?	let value = myObject[key];	2024-09-04	Deactivate		Edit	Delete
1114	How do you get a value by key from a map in Java?	ValueType value = myMap.get(key);	2024-09-04	Deactivate		Edit	Delete
1115	How do you get a value by key from a map in C++?	ValueType value = myMap[key];	2024-09-04	Deactivate		Edit	Delete
1116	How do you iterate over a list in Python?	for item in my_list:	2024-09-04	Deactivate		Edit	Delete
1117	How do you iterate over an array in JavaScript?	for (let item of myArray) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
1118	How do you iterate over an ArrayList in Java?	for (Type item : list) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
1119	How do you iterate over a vector in C++?	for (const auto& item : myVector) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
1120	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
1121	How do you find the maximum value in an array in JavaScript?	let maxValue = Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
1122	How do you find the maximum value in an ArrayList in Java?	int maxValue = Collections.max(list);	2024-09-04	Deactivate		Edit	Delete
1123	How do you find the maximum value in a vector in C++?	auto maxValue = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1124	How do you find the minimum value in a list in Python?	min_value = min(my_list)	2024-09-04	Deactivate		Edit	Delete
1125	How do you find the minimum value in an array in JavaScript?	let minValue = Math.min(...myArray);	2024-09-04	Deactivate		Edit	Delete
1126	How do you find the minimum value in an ArrayList in Java?	int minValue = Collections.min(list);	2024-09-04	Deactivate		Edit	Delete
1127	How do you find the minimum value in a vector in C++?	auto minValue = *std::min_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1128	How do you create a class in Python?	class MyClass: pass	2024-09-04	Deactivate		Edit	Delete
1129	How do you create a class in JavaScript?	class MyClass {} let obj = new MyClass();	2024-09-04	Deactivate		Edit	Delete
1130	How do you create a class in Java?	public class MyClass { }	2024-09-04	Deactivate		Edit	Delete
1131	How do you create a class in C++?	class MyClass { };	2024-09-04	Deactivate		Edit	Delete
1132	How do you create an instance of a class in Python?	obj = MyClass()	2024-09-04	Deactivate		Edit	Delete
1133	How do you create an instance of a class in JavaScript?	let obj = new MyClass();	2024-09-04	Deactivate		Edit	Delete
1134	How do you create an instance of a class in Java?	MyClass obj = new MyClass();	2024-09-04	Deactivate		Edit	Delete
1135	How do you create an instance of a class in C++?	MyClass obj;	2024-09-04	Deactivate		Edit	Delete
1136	How do you define a method in a class in Python?	def my_method(self): pass	2024-09-04	Deactivate		Edit	Delete
1137	How do you define a method in a class in JavaScript?	class MyClass { myMethod() {} }	2024-09-04	Deactivate		Edit	Delete
1138	How do you define a method in a class in Java?	public void myMethod() { }	2024-09-04	Deactivate		Edit	Delete
1139	How do you define a method in a class in C++?	void myMethod() { }	2024-09-04	Deactivate		Edit	Delete
1140	How do you call a method from an instance in Python?	obj.my_method()	2024-09-04	Deactivate		Edit	Delete
1141	How do you call a method from an instance in JavaScript?	obj.myMethod();	2024-09-04	Deactivate		Edit	Delete
1142	How do you call a method from an instance in Java?	obj.myMethod();	2024-09-04	Deactivate		Edit	Delete
1143	How do you call a method from an instance in C++?	obj.myMethod();	2024-09-04	Deactivate		Edit	Delete
1144	How do you handle exceptions in Python?	try: # code except Exception as e: # handle	2024-09-04	Deactivate		Edit	Delete
1145	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle }	2024-09-04	Deactivate		Edit	Delete
1146	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle }	2024-09-04	Deactivate		Edit	Delete
1147	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle }	2024-09-04	Deactivate		Edit	Delete
1148	How do you define a class variable in Python?	class MyClass: class_var = 0	2024-09-04	Deactivate		Edit	Delete
1149	How do you define a static variable in JavaScript?	class MyClass { static classVar = 0; }	2024-09-04	Deactivate		Edit	Delete
1150	How do you define a static variable in Java?	public class MyClass { static int classVar = 0; }	2024-09-04	Deactivate		Edit	Delete
1151	How do you define a static member in C++?	class MyClass { static int classVar; };	2024-09-04	Deactivate		Edit	Delete
1152	How do you define a method with default arguments in Python?	def my_method(arg1, arg2=default): pass	2024-09-04	Deactivate		Edit	Delete
1153	How do you define a method with default parameters in JavaScript?	function myMethod(arg1, arg2 = default) {}	2024-09-04	Deactivate		Edit	Delete
1154	How do you define a method with default parameters in Java?	public void myMethod(int arg1, int arg2) { }	2024-09-04	Deactivate		Edit	Delete
1155	How do you define a method with default arguments in C++?	void myMethod(int arg1, int arg2 = default) {}	2024-09-04	Deactivate		Edit	Delete
1156	How do you create a tuple in Python?	my_tuple = (1, 2, 3)	2024-09-04	Deactivate		Edit	Delete
1157	How do you create a tuple in JavaScript?	const myTuple = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
1158	How do you create a tuple in Java?	Java does not have a built-in tuple type; use a class or a list.	2024-09-04	Deactivate		Edit	Delete
1159	How do you create a tuple in C++?	std::tuple myTuple(1, 2, 3);	2024-09-04	Deactivate		Edit	Delete
1160	How do you access elements in a tuple in Python?	element = my_tuple[index]	2024-09-04	Deactivate		Edit	Delete
1161	How do you access elements in an array in JavaScript?	let element = myArray[index];	2024-09-04	Deactivate		Edit	Delete
1162	How do you access elements in a list in Java?	element = list.get(index);	2024-09-04	Deactivate		Edit	Delete
1163	How do you access elements in a vector in C++?	element = myVector[index];	2024-09-04	Deactivate		Edit	Delete
1164	How do you convert a list to a set in Python?	my_set = set(my_list)	2024-09-04	Deactivate		Edit	Delete
1165	How do you convert an array to a Set in JavaScript?	let mySet = new Set(myArray);	2024-09-04	Deactivate		Edit	Delete
1166	How do you convert a list to a set in Java?	import java.util.HashSet; Set mySet = new HashSet<>(myList);	2024-09-04	Deactivate		Edit	Delete
1167	How do you convert a vector to a set in C++?	std::set mySet(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1168	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
1169	How do you find the length of an array in JavaScript?	let length = myArray.length;	2024-09-04	Deactivate		Edit	Delete
1170	How do you find the length of an ArrayList in Java?	int length = list.size();	2024-09-04	Deactivate		Edit	Delete
1171	How do you find the length of a vector in C++?	int length = myVector.size();	2024-09-04	Deactivate		Edit	Delete
1172	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1173	How do you sort an array in JavaScript?	myArray.sort();	2024-09-04	Deactivate		Edit	Delete
1174	How do you sort an ArrayList in Java?	Collections.sort(list);	2024-09-04	Deactivate		Edit	Delete
1175	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1176	How do you convert a string to an integer in Python?	integer = int(my_string)	2024-09-04	Deactivate		Edit	Delete
1177	How do you convert a string to an integer in JavaScript?	let integer = parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
1178	How do you convert a string to an integer in Java?	int integer = Integer.parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
1179	How do you convert a string to an integer in C++?	int integer = std::stoi(myString);	2024-09-04	Deactivate		Edit	Delete
1180	How do you convert an integer to a string in Python?	string = str(my_integer)	2024-09-04	Deactivate		Edit	Delete
1181	How do you convert an integer to a string in JavaScript?	let string = myInteger.toString();	2024-09-04	Deactivate		Edit	Delete
1182	How do you convert an integer to a string in Java?	String string = Integer.toString(myInteger);	2024-09-04	Deactivate		Edit	Delete
1183	How do you convert an integer to a string in C++?	std::string string = std::to_string(myInteger);	2024-09-04	Deactivate		Edit	Delete
1184	How do you check if a string contains a substring in Python?	substring in my_string	2024-09-04	Deactivate		Edit	Delete
1185	How do you check if a string contains a substring in JavaScript?	myString.includes(substring);	2024-09-04	Deactivate		Edit	Delete
1186	How do you check if a string contains a substring in Java?	myString.contains(substring);	2024-09-04	Deactivate		Edit	Delete
1187	How do you check if a string contains a substring in C++?	myString.find(substring) != std::string::npos;	2024-09-04	Deactivate		Edit	Delete
1188	How do you get the current date and time in Python?	from datetime import datetime now = datetime.now()	2024-09-04	Deactivate		Edit	Delete
1189	How do you get the current date and time in JavaScript?	let now = new Date();	2024-09-04	Deactivate		Edit	Delete
1190	How do you get the current date and time in Java?	LocalDateTime now = LocalDateTime.now();	2024-09-04	Deactivate		Edit	Delete
1191	How do you get the current date and time in C++?	#include std::time_t now = std::time(0);	2024-09-04	Deactivate		Edit	Delete
1192	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
1193	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, World!")	2024-09-04	Deactivate		Edit	Delete
1194	How do you handle exceptions in Python?	try: # code that may raise an exception except Exception as e: # handle the exception	2024-09-04	Deactivate		Edit	Delete
1195	How do you create a function in JavaScript?	function myFunction() { // code }	2024-09-04	Deactivate		Edit	Delete
1196	How do you create a method in Java?	public class MyClass { public void myMethod() { // code } }	2024-09-04	Deactivate		Edit	Delete
1197	How do you create a function in C++?	void myFunction() { // code }	2024-09-04	Deactivate		Edit	Delete
1198	How do you create a function in Java?	public int add(int a, int b) { return a + b; }	2024-09-04	Deactivate		Edit	Delete
1199	How do you create a lambda function in Python?	lambda x: x * 2	2024-09-04	Deactivate		Edit	Delete
1200	How do you create a lambda function in JavaScript?	(x => x * 2)	2024-09-04	Deactivate		Edit	Delete
1201	How do you create a lambda function in Java?	interface MyFunction { int apply(int x); } MyFunction doubleIt = x -> x * 2;	2024-09-04	Deactivate		Edit	Delete
1202	How do you create a lambda function in C++?	auto lambda = [](int x) { return x * 2; };	2024-09-04	Deactivate		Edit	Delete
1203	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
1204	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1205	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1206	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1207	How do you iterate over a list in Python?	for item in my_list: # process item	2024-09-04	Deactivate		Edit	Delete
1208	How do you iterate over an array in JavaScript?	myArray.forEach(item => { // process item });	2024-09-04	Deactivate		Edit	Delete
1209	How do you iterate over a list in Java?	for (Type item : myList) { // process item }	2024-09-04	Deactivate		Edit	Delete
1210	How do you iterate over a vector in C++?	for (const auto& item : myVector) { // process item }	2024-09-04	Deactivate		Edit	Delete
1211	How do you find an item in a list in Python?	found = item in my_list	2024-09-04	Deactivate		Edit	Delete
1212	How do you find an item in an array in JavaScript?	let found = myArray.includes(item);	2024-09-04	Deactivate		Edit	Delete
1213	How do you find an item in a list in Java?	boolean found = myList.contains(item);	2024-09-04	Deactivate		Edit	Delete
1214	How do you find an item in a vector in C++?	bool found = std::find(myVector.begin(), myVector.end(), item) != myVector.end();	2024-09-04	Deactivate		Edit	Delete
1215	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-04	Deactivate		Edit	Delete
1216	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
1217	How do you remove an item from a list in Java?	myList.remove(item);	2024-09-04	Deactivate		Edit	Delete
1218	How do you remove an item from a vector in C++?	myVector.erase(std::remove(myVector.begin(), myVector.end(), item), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1219	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1220	How do you sort an array in JavaScript?	myArray.sort();	2024-09-04	Deactivate		Edit	Delete
1221	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1222	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1223	How do you generate a random number in Python?	import random random_number = random.randint(1, 100)	2024-09-04	Deactivate		Edit	Delete
1224	How do you generate a random number in JavaScript?	let randomNumber = Math.floor(Math.random() * 100) + 1;	2024-09-04	Deactivate		Edit	Delete
1225	How do you generate a random number in Java?	import java.util.Random; Random rand = new Random(); int randomNumber = rand.nextInt(100) + 1;	2024-09-04	Deactivate		Edit	Delete
1226	How do you generate a random number in C++?	#include int randomNumber = rand() % 100 + 1;	2024-09-04	Deactivate		Edit	Delete
1227	How do you perform integer division in Python?	result = a // b	2024-09-04	Deactivate		Edit	Delete
1228	How do you perform integer division in JavaScript?	let result = Math.floor(a / b);	2024-09-04	Deactivate		Edit	Delete
1229	How do you perform integer division in Java?	int result = a / b;	2024-09-04	Deactivate		Edit	Delete
1230	How do you perform integer division in C++?	int result = a / b;	2024-09-04	Deactivate		Edit	Delete
1231	How do you check if a number is even in Python?	is_even = (number % 2 == 0)	2024-09-04	Deactivate		Edit	Delete
1232	How do you check if a number is even in JavaScript?	let isEven = (number % 2 === 0);	2024-09-04	Deactivate		Edit	Delete
1233	How do you check if a number is even in Java?	boolean isEven = (number % 2 == 0);	2024-09-04	Deactivate		Edit	Delete
1234	How do you check if a number is even in C++?	bool isEven = (number % 2 == 0);	2024-09-04	Deactivate		Edit	Delete
1235	How do you reverse a string in Python?	reversed_str = my_str[::-1]	2024-09-04	Deactivate		Edit	Delete
1236	How do you reverse a string in JavaScript?	let reversedStr = myStr.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
1237	How do you reverse a string in Java?	String reversedStr = new StringBuilder(myStr).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
1238	How do you reverse a string in C++?	std::reverse(myStr.begin(), myStr.end());	2024-09-04	Deactivate		Edit	Delete
1239	How do you remove whitespace from a string in Python?	clean_str = my_str.strip()	2024-09-04	Deactivate		Edit	Delete
1240	How do you remove whitespace from a string in JavaScript?	let cleanStr = myStr.trim();	2024-09-04	Deactivate		Edit	Delete
1241	How do you remove whitespace from a string in Java?	String cleanStr = myStr.trim();	2024-09-04	Deactivate		Edit	Delete
1242	How do you remove whitespace from a string in C++?	std::string cleanStr = myStr; cleanStr.erase(cleanStr.find_last_not_of(" ") + 1, std::string::npos); cleanStr.erase(0, cleanStr.find_first_not_of(" "));	2024-09-04	Deactivate		Edit	Delete
1243	How do you convert a string to an integer in Python?	my_int = int(my_str)	2024-09-04	Deactivate		Edit	Delete
1244	How do you convert a string to an integer in JavaScript?	let myInt = parseInt(myStr, 10);	2024-09-04	Deactivate		Edit	Delete
1245	How do you convert a string to an integer in Java?	int myInt = Integer.parseInt(myStr);	2024-09-04	Deactivate		Edit	Delete
1246	How do you convert a string to an integer in C++?	int myInt = std::stoi(myStr);	2024-09-04	Deactivate		Edit	Delete
1247	How do you convert an integer to a string in Python?	my_str = str(my_int)	2024-09-04	Deactivate		Edit	Delete
1248	How do you convert an integer to a string in JavaScript?	let myStr = myInt.toString();	2024-09-04	Deactivate		Edit	Delete
1249	How do you convert an integer to a string in Java?	String myStr = Integer.toString(myInt);	2024-09-04	Deactivate		Edit	Delete
1250	How do you convert an integer to a string in C++?	std::string myStr = std::to_string(myInt);	2024-09-04	Deactivate		Edit	Delete
1251	How do you find the length of a string in Python?	length = len(my_str)	2024-09-04	Deactivate		Edit	Delete
1252	How do you find the length of a string in JavaScript?	let length = myStr.length;	2024-09-04	Deactivate		Edit	Delete
1253	How do you find the length of a string in Java?	int length = myStr.length();	2024-09-04	Deactivate		Edit	Delete
1254	How do you find the length of a string in C++?	size_t length = myStr.size();	2024-09-04	Deactivate		Edit	Delete
1255	How do you check if a string is empty in Python?	is_empty = (my_str == "")	2024-09-04	Deactivate		Edit	Delete
1256	How do you check if a string is empty in JavaScript?	let isEmpty = (myStr === "");	2024-09-04	Deactivate		Edit	Delete
1257	How do you check if a string is empty in Java?	boolean isEmpty = myStr.isEmpty();	2024-09-04	Deactivate		Edit	Delete
1258	How do you check if a string is empty in C++?	bool isEmpty = myStr.empty();	2024-09-04	Deactivate		Edit	Delete
1259	How do you get a substring in Python?	substring = my_str[start:end]	2024-09-04	Deactivate		Edit	Delete
1260	How do you get a substring in JavaScript?	let substring = myStr.substring(start, end);	2024-09-04	Deactivate		Edit	Delete
1261	How do you get a substring in Java?	String substring = myStr.substring(start, end);	2024-09-04	Deactivate		Edit	Delete
1262	How do you get a substring in C++?	std::string substring = myStr.substr(start, length);	2024-09-04	Deactivate		Edit	Delete
1263	How do you find the index of a substring in Python?	index = my_str.find("substring")	2024-09-04	Deactivate		Edit	Delete
1264	How do you find the index of a substring in JavaScript?	let index = myStr.indexOf("substring");	2024-09-04	Deactivate		Edit	Delete
1265	How do you find the index of a substring in Java?	int index = myStr.indexOf("substring");	2024-09-04	Deactivate		Edit	Delete
1266	How do you find the index of a substring in C++?	size_t index = myStr.find("substring");	2024-09-04	Deactivate		Edit	Delete
1267	How do you convert a list to a set in Python?	my_set = set(my_list)	2024-09-04	Deactivate		Edit	Delete
1268	How do you convert an array to a set in JavaScript?	let mySet = new Set(myArray);	2024-09-04	Deactivate		Edit	Delete
1269	How do you convert a list to a set in Java?	Set mySet = new HashSet<>(myList);	2024-09-04	Deactivate		Edit	Delete
1270	How do you convert a vector to a set in C++?	std::set mySet(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1271	How do you merge two lists in Python?	merged_list = list1 + list2	2024-09-04	Deactivate		Edit	Delete
1272	How do you merge two arrays in JavaScript?	let mergedArray = array1.concat(array2);	2024-09-04	Deactivate		Edit	Delete
1273	How do you merge two lists in Java?	List mergedList = new ArrayList<>(list1); mergedList.addAll(list2);	2024-09-04	Deactivate		Edit	Delete
1274	How do you merge two vectors in C++?	std::vector mergedVector = vector1; mergedVector.insert(mergedVector.end(), vector2.begin(), vector2.end());	2024-09-04	Deactivate		Edit	Delete
1275	How do you remove duplicates from a list in Python?	unique_list = list(set(my_list))	2024-09-04	Deactivate		Edit	Delete
1276	How do you remove duplicates from an array in JavaScript?	let uniqueArray = [...new Set(myArray)];	2024-09-04	Deactivate		Edit	Delete
1277	How do you remove duplicates from a list in Java?	Set uniqueSet = new HashSet<>(myList); List uniqueList = new ArrayList<>(uniqueSet);	2024-09-04	Deactivate		Edit	Delete
1278	How do you remove duplicates from a vector in C++?	std::sort(myVector.begin(), myVector.end()); myVector.erase(std::unique(myVector.begin(), myVector.end()), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1279	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
1280	How do you find the maximum value in an array in JavaScript?	let maxValue = Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
1281	How do you find the maximum value in a list in Java?	int maxValue = Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
1282	How do you find the maximum value in a vector in C++?	int maxValue = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1283	How do you find the minimum value in a list in Python?	min_value = min(my_list)	2024-09-04	Deactivate		Edit	Delete
1284	How do you find the minimum value in an array in JavaScript?	let minValue = Math.min(...myArray);	2024-09-04	Deactivate		Edit	Delete
1285	How do you find the minimum value in a list in Java?	int minValue = Collections.min(myList);	2024-09-04	Deactivate		Edit	Delete
1286	How do you find the minimum value in a vector in C++?	int minValue = *std::min_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1287	How do you check if an element exists in a list in Python?	exists = element in my_list	2024-09-04	Deactivate		Edit	Delete
1288	How do you check if an element exists in an array in JavaScript?	let exists = myArray.includes(element);	2024-09-04	Deactivate		Edit	Delete
1289	How do you check if an element exists in a list in Java?	boolean exists = myList.contains(element);	2024-09-04	Deactivate		Edit	Delete
1290	How do you check if an element exists in a vector in C++?	bool exists = (std::find(myVector.begin(), myVector.end(), element) != myVector.end());	2024-09-04	Deactivate		Edit	Delete
1291	How do you calculate the length of an array in JavaScript?	let length = myArray.length;	2024-09-04	Deactivate		Edit	Delete
1292	How do you calculate the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
1293	How do you calculate the length of a vector in C++?	size_t length = myVector.size();	2024-09-04	Deactivate		Edit	Delete
1294	How do you calculate the length of a list in Java?	int length = myList.size();	2024-09-04	Deactivate		Edit	Delete
1295	How do you find the average of a list in Python?	average = sum(my_list) / len(my_list)	2024-09-04	Deactivate		Edit	Delete
1296	How do you find the average of an array in JavaScript?	let average = myArray.reduce((a, b) => a + b, 0) / myArray.length;	2024-09-04	Deactivate		Edit	Delete
1297	How do you find the average of a list in Java?	double average = myList.stream().mapToInt(Integer::intValue).average().orElse(0.0);	2024-09-04	Deactivate		Edit	Delete
1298	How do you find the average of a vector in C++?	double average = std::accumulate(myVector.begin(), myVector.end(), 0.0) / myVector.size();	2024-09-04	Deactivate		Edit	Delete
1299	How do you find the sum of all elements in a list in Python?	total = sum(my_list)	2024-09-04	Deactivate		Edit	Delete
1300	How do you find the sum of all elements in an array in JavaScript?	let total = myArray.reduce((a, b) => a + b, 0);	2024-09-04	Deactivate		Edit	Delete
1301	How do you find the sum of all elements in a list in Java?	int total = myList.stream().mapToInt(Integer::intValue).sum();	2024-09-04	Deactivate		Edit	Delete
1302	How do you find the sum of all elements in a vector in C++?	int total = std::accumulate(myVector.begin(), myVector.end(), 0);	2024-09-04	Deactivate		Edit	Delete
1303	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1304	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
1305	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1306	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1307	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1308	How do you reverse an array in JavaScript?	myArray.reverse()	2024-09-04	Deactivate		Edit	Delete
1309	How do you reverse a list in Java?	Collections.reverse(myList);	2024-09-04	Deactivate		Edit	Delete
1310	How do you reverse a vector in C++?	std::reverse(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1311	How do you remove the last element from a list in Python?	my_list.pop()	2024-09-04	Deactivate		Edit	Delete
1312	How do you remove the last element from an array in JavaScript?	myArray.pop()	2024-09-04	Deactivate		Edit	Delete
1313	How do you remove the last element from a list in Java?	myList.remove(myList.size() - 1);	2024-09-04	Deactivate		Edit	Delete
1314	How do you remove the last element from a vector in C++?	myVector.pop_back();	2024-09-04	Deactivate		Edit	Delete
1315	How do you add an element to the end of a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
1316	How do you add an element to the end of an array in JavaScript?	myArray.push(element)	2024-09-04	Deactivate		Edit	Delete
1317	How do you add an element to the end of a list in Java?	myList.add(element);	2024-09-04	Deactivate		Edit	Delete
1318	How do you add an element to the end of a vector in C++?	myVector.push_back(element);	2024-09-04	Deactivate		Edit	Delete
1319	How do you check if a list contains a specific element in Python?	contains = element in my_list	2024-09-04	Deactivate		Edit	Delete
1320	How do you check if an array contains a specific element in JavaScript?	let contains = myArray.includes(element);	2024-09-04	Deactivate		Edit	Delete
1321	How do you check if a list contains a specific element in Java?	boolean contains = myList.contains(element);	2024-09-04	Deactivate		Edit	Delete
1322	How do you check if a vector contains a specific element in C++?	bool contains = (std::find(myVector.begin(), myVector.end(), element) != myVector.end());	2024-09-04	Deactivate		Edit	Delete
1323	How do you find the maximum value in a dictionary in Python?	max_value = max(my_dict.values())	2024-09-04	Deactivate		Edit	Delete
1324	How do you find the maximum value in an object in JavaScript?	let maxValue = Math.max(...Object.values(myObject));	2024-09-04	Deactivate		Edit	Delete
1325	How do you find the maximum value in a map in Java?	int maxValue = myMap.values().stream().mapToInt(Integer::intValue).max().orElseThrow();	2024-09-04	Deactivate		Edit	Delete
1326	How do you find the maximum value in a map in C++?	auto maxValue = std::max_element(myMap.begin(), myMap.end(), [](const auto& a, const auto& b) { return a.second < b.second; })->second;	2024-09-04	Deactivate		Edit	Delete
1327	How do you find the minimum value in a dictionary in Python?	min_value = min(my_dict.values())	2024-09-04	Deactivate		Edit	Delete
1328	How do you find the minimum value in an object in JavaScript?	let minValue = Math.min(...Object.values(myObject));	2024-09-04	Deactivate		Edit	Delete
1329	How do you find the minimum value in a map in Java?	int minValue = myMap.values().stream().mapToInt(Integer::intValue).min().orElseThrow();	2024-09-04	Deactivate		Edit	Delete
1330	How do you find the minimum value in a map in C++?	auto minValue = std::min_element(myMap.begin(), myMap.end(), [](const auto& a, const auto& b) { return a.second < b.second; })->second;	2024-09-04	Deactivate		Edit	Delete
1331	How do you check if a key exists in a dictionary in Python?	exists = key in my_dict	2024-09-04	Deactivate		Edit	Delete
1332	How do you check if a property exists in an object in JavaScript?	let exists = myObject.hasOwnProperty(property);	2024-09-04	Deactivate		Edit	Delete
1333	How do you check if a key exists in a map in Java?	boolean exists = myMap.containsKey(key);	2024-09-04	Deactivate		Edit	Delete
1334	How do you check if a key exists in a map in C++?	bool exists = (myMap.find(key) != myMap.end());	2024-09-04	Deactivate		Edit	Delete
1335	How do you get the keys of a dictionary in Python?	keys = my_dict.keys()	2024-09-04	Deactivate		Edit	Delete
1336	How do you get the values of an object in JavaScript?	let values = Object.values(myObject);	2024-09-04	Deactivate		Edit	Delete
1337	How do you get the values of a map in Java?	Collection values = myMap.values();	2024-09-04	Deactivate		Edit	Delete
1338	How do you get the values of a map in C++?	std::vector values; for(const auto& pair : myMap) values.push_back(pair.second);	2024-09-04	Deactivate		Edit	Delete
1339	How do you get the keys of a dictionary in Python as a list?	keys_list = list(my_dict.keys())	2024-09-04	Deactivate		Edit	Delete
1340	How do you get the values of an object in JavaScript as an array?	let valuesArray = Object.values(myObject);	2024-09-04	Deactivate		Edit	Delete
1341	How do you get the values of a map in Java as a list?	List valuesList = new ArrayList<>(myMap.values());	2024-09-04	Deactivate		Edit	Delete
1342	How do you get the keys of a map in C++ as a vector?	std::vector keys; for(const auto& pair : myMap) keys.push_back(pair.first);	2024-09-04	Deactivate		Edit	Delete
1343	How do you filter elements in a list in Python?	filtered_list = [x for x in my_list if condition(x)]	2024-09-04	Deactivate		Edit	Delete
1344	How do you filter elements in an array in JavaScript?	let filteredArray = myArray.filter(element => condition(element));	2024-09-04	Deactivate		Edit	Delete
1345	How do you filter elements in a list in Java?	List filteredList = myList.stream().filter(element -> condition(element)).collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
1346	How do you filter elements in a vector in C++?	std::vector filteredVector; std::copy_if(myVector.begin(), myVector.end(), std::back_inserter(filteredVector), [](const Type& element) { return condition(element); });	2024-09-04	Deactivate		Edit	Delete
1347	How do you find the index of an element in a list in Python?	index = my_list.index(element)	2024-09-04	Deactivate		Edit	Delete
1348	How do you find the index of an element in an array in JavaScript?	let index = myArray.indexOf(element);	2024-09-04	Deactivate		Edit	Delete
1349	How do you find the index of an element in a list in Java?	int index = myList.indexOf(element);	2024-09-04	Deactivate		Edit	Delete
1350	How do you find the index of an element in a vector in C++?	auto it = std::find(myVector.begin(), myVector.end(), element); int index = std::distance(myVector.begin(), it);	2024-09-04	Deactivate		Edit	Delete
1351	How do you get the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
1352	How do you get the length of an array in JavaScript?	let length = myArray.length;	2024-09-04	Deactivate		Edit	Delete
1353	How do you get the size of a list in Java?	int size = myList.size();	2024-09-04	Deactivate		Edit	Delete
1354	How do you get the size of a vector in C++?	int size = myVector.size();	2024-09-04	Deactivate		Edit	Delete
1355	How do you check if a string contains a substring in Python?	contains = substring in my_string	2024-09-04	Deactivate		Edit	Delete
1356	How do you check if a string contains a substring in JavaScript?	let contains = myString.includes(substring);	2024-09-04	Deactivate		Edit	Delete
1357	How do you check if a string contains a substring in Java?	boolean contains = myString.contains(substring);	2024-09-04	Deactivate		Edit	Delete
1358	How do you check if a string contains a substring in C++?	bool contains = (myString.find(substring) != std::string::npos);	2024-09-04	Deactivate		Edit	Delete
1359	How do you replace a substring in a string in Python?	new_string = my_string.replace(old_substring, new_substring)	2024-09-04	Deactivate		Edit	Delete
1360	How do you replace a substring in a string in JavaScript?	let newString = myString.replace(oldSubstring, newSubstring);	2024-09-04	Deactivate		Edit	Delete
1361	How do you replace a substring in a string in Java?	String newString = myString.replace(oldSubstring, newSubstring);	2024-09-04	Deactivate		Edit	Delete
1362	How do you replace a substring in a string in C++?	std::string newString = myString; size_t pos = newString.find(oldSubstring); if(pos != std::string::npos) newString.replace(pos, oldSubstring.length(), newSubstring);	2024-09-04	Deactivate		Edit	Delete
1363	How do you convert a string to an integer in Python?	integer = int(my_string)	2024-09-04	Deactivate		Edit	Delete
1364	How do you convert a string to an integer in JavaScript?	let integer = parseInt(myString, 10);	2024-09-04	Deactivate		Edit	Delete
1365	How do you convert a string to an integer in Java?	int integer = Integer.parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
1366	How do you convert a string to an integer in C++?	int integer = std::stoi(myString);	2024-09-04	Deactivate		Edit	Delete
1367	How do you convert an integer to a string in Python?	string = str(integer)	2024-09-04	Deactivate		Edit	Delete
1368	How do you convert an integer to a string in JavaScript?	let string = integer.toString();	2024-09-04	Deactivate		Edit	Delete
1369	How do you convert an integer to a string in Java?	String string = Integer.toString(integer);	2024-09-04	Deactivate		Edit	Delete
1370	How do you convert an integer to a string in C++?	std::string string = std::to_string(integer);	2024-09-04	Deactivate		Edit	Delete
1371	How do you create a new file in Python?	with open("filename.txt", "w") as file: file.write("content")	2024-09-04	Deactivate		Edit	Delete
1372	How do you create a new file in JavaScript (Node.js)?	const fs = require("fs"); fs.writeFileSync("filename.txt", "content");	2024-09-04	Deactivate		Edit	Delete
1373	How do you create a new file in Java?	import java.io.*; FileWriter writer = new FileWriter("filename.txt"); writer.write("content"); writer.close();	2024-09-04	Deactivate		Edit	Delete
1374	How do you create a new file in C++?	#include std::ofstream file("filename.txt"); file << "content"; file.close();	2024-09-04	Deactivate		Edit	Delete
1375	How do you read a file in Python?	with open("filename.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
1376	How do you read a file in JavaScript (Node.js)?	const fs = require("fs"); const content = fs.readFileSync("filename.txt", "utf8");	2024-09-04	Deactivate		Edit	Delete
1377	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("filename.txt")));	2024-09-04	Deactivate		Edit	Delete
1378	How do you read a file in C++?	#include #include std::ifstream file("filename.txt"); std::string content; std::getline(file, content); file.close();	2024-09-04	Deactivate		Edit	Delete
1379	How do you write to a file in Python?	with open("filename.txt", "a") as file: file.write("content")	2024-09-04	Deactivate		Edit	Delete
1380	How do you write to a file in JavaScript (Node.js)?	const fs = require("fs"); fs.appendFileSync("filename.txt", "content");	2024-09-04	Deactivate		Edit	Delete
1381	How do you write to a file in Java?	import java.io.*; FileWriter writer = new FileWriter("filename.txt", true); writer.write("content"); writer.close();	2024-09-04	Deactivate		Edit	Delete
1382	How do you write to a file in C++?	#include std::ofstream file("filename.txt", std::ios::app); file << "content"; file.close();	2024-09-04	Deactivate		Edit	Delete
1383	How do you handle exceptions in Python?	try: # code that may throw an exception except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
1384	How do you handle exceptions in JavaScript?	try { // code that may throw an exception } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1385	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1386	How do you handle exceptions in C++?	try { // code that may throw an exception } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1387	How do you create a class in Python?	class MyClass: def __init__(self): # constructor code	2024-09-04	Deactivate		Edit	Delete
1388	How do you create a class in JavaScript?	class MyClass { constructor() { // constructor code } }	2024-09-04	Deactivate		Edit	Delete
1389	How do you create a class in Java?	public class MyClass { public MyClass() { // constructor code } }	2024-09-04	Deactivate		Edit	Delete
1390	How do you create a class in C++?	class MyClass { public: MyClass() { // constructor code } };	2024-09-04	Deactivate		Edit	Delete
1391	How do you add an element to a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
1392	How do you add an element to an array in JavaScript?	myArray.push(element);	2024-09-04	Deactivate		Edit	Delete
1393	How do you add an element to a list in Java?	myList.add(element);	2024-09-04	Deactivate		Edit	Delete
1394	How do you add an element to a vector in C++?	myVector.push_back(element);	2024-09-04	Deactivate		Edit	Delete
1395	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
1396	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
1397	How do you remove an element from a list in Java?	myList.remove(element);	2024-09-04	Deactivate		Edit	Delete
1398	How do you remove an element from a vector in C++?	myVector.erase(it);	2024-09-04	Deactivate		Edit	Delete
1399	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1400	How do you sort an array in JavaScript?	myArray.sort();	2024-09-04	Deactivate		Edit	Delete
1401	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1402	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1403	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1404	How do you reverse an array in JavaScript?	myArray.reverse();	2024-09-04	Deactivate		Edit	Delete
1405	How do you reverse a list in Java?	Collections.reverse(myList);	2024-09-04	Deactivate		Edit	Delete
1406	How do you reverse a vector in C++?	std::reverse(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1407	How do you concatenate two strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
1408	How do you concatenate two strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1409	How do you concatenate two strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1410	How do you concatenate two strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1411	How do you check if a string contains a substring in Python?	contains = substring in string	2024-09-04	Deactivate		Edit	Delete
1412	How do you check if a string contains a substring in JavaScript?	let contains = string.includes(substring);	2024-09-04	Deactivate		Edit	Delete
1413	How do you check if a string contains a substring in Java?	boolean contains = string.contains(substring);	2024-09-04	Deactivate		Edit	Delete
1414	How do you check if a string contains a substring in C++?	bool contains = (string.find(substring) != std::string::npos);	2024-09-04	Deactivate		Edit	Delete
1415	How do you get the length of a string in Python?	length = len(string)	2024-09-04	Deactivate		Edit	Delete
1416	How do you get the length of a string in JavaScript?	let length = string.length;	2024-09-04	Deactivate		Edit	Delete
1417	How do you get the length of a string in Java?	int length = string.length();	2024-09-04	Deactivate		Edit	Delete
1418	How do you get the length of a string in C++?	size_t length = string.length();	2024-09-04	Deactivate		Edit	Delete
1419	How do you convert a string to an integer in Python?	integer = int(string)	2024-09-04	Deactivate		Edit	Delete
1420	How do you convert a string to an integer in JavaScript?	let integer = parseInt(string);	2024-09-04	Deactivate		Edit	Delete
1421	How do you convert a string to an integer in Java?	int integer = Integer.parseInt(string);	2024-09-04	Deactivate		Edit	Delete
1422	How do you convert a string to an integer in C++?	int integer = std::stoi(string);	2024-09-04	Deactivate		Edit	Delete
1423	How do you concatenate a list of strings in Python?	result = "".join(list_of_strings)	2024-09-04	Deactivate		Edit	Delete
1424	How do you concatenate an array of strings in JavaScript?	let result = arrayOfStrings.join("");	2024-09-04	Deactivate		Edit	Delete
1425	How do you concatenate a list of strings in Java?	String result = String.join("", listOfStrings);	2024-09-04	Deactivate		Edit	Delete
1426	How do you concatenate a vector of strings in C++?	std::string result = std::accumulate(vectorOfStrings.begin(), vectorOfStrings.end(), std::string());	2024-09-04	Deactivate		Edit	Delete
1427	How do you check if a list is empty in Python?	is_empty = len(my_list) == 0	2024-09-04	Deactivate		Edit	Delete
1428	How do you check if an array is empty in JavaScript?	let isEmpty = myArray.length === 0;	2024-09-04	Deactivate		Edit	Delete
1429	How do you check if a list is empty in Java?	boolean isEmpty = myList.isEmpty();	2024-09-04	Deactivate		Edit	Delete
1430	How do you check if a vector is empty in C++?	bool isEmpty = myVector.empty();	2024-09-04	Deactivate		Edit	Delete
1431	How do you get the current date and time in Python?	from datetime import datetime now = datetime.now()	2024-09-04	Deactivate		Edit	Delete
1432	How do you get the current date and time in JavaScript?	let now = new Date();	2024-09-04	Deactivate		Edit	Delete
1433	How do you get the current date and time in Java?	import java.time.LocalDateTime; LocalDateTime now = LocalDateTime.now();	2024-09-04	Deactivate		Edit	Delete
1434	How do you get the current date and time in C++?	#include #include std::time_t now = std::time(nullptr); std::tm* localTime = std::localtime(&now);	2024-09-04	Deactivate		Edit	Delete
1435	How do you create a function in Python?	def my_function(): # function code	2024-09-04	Deactivate		Edit	Delete
1436	How do you create a function in JavaScript?	function myFunction() { // function code }	2024-09-04	Deactivate		Edit	Delete
1437	How do you create a method in C++?	class MyClass { public: void myMethod() { // method code } };	2024-09-04	Deactivate		Edit	Delete
1438	How do you call a function in Python?	my_function()	2024-09-04	Deactivate		Edit	Delete
1439	How do you call a function in JavaScript?	myFunction();	2024-09-04	Deactivate		Edit	Delete
1440	How do you call a method in Java?	myObject.myMethod();	2024-09-04	Deactivate		Edit	Delete
1441	How do you call a method in C++?	myObject.myMethod();	2024-09-04	Deactivate		Edit	Delete
1442	How do you declare a variable in Python?	variable_name = value	2024-09-04	Deactivate		Edit	Delete
1443	How do you declare a variable in JavaScript?	let variableName = value;	2024-09-04	Deactivate		Edit	Delete
1444	How do you declare a variable in Java?	int variableName = value;	2024-09-04	Deactivate		Edit	Delete
1445	How do you declare a variable in C++?	int variableName = value;	2024-09-04	Deactivate		Edit	Delete
1446	How do you perform integer division in Python?	result = a // b	2024-09-04	Deactivate		Edit	Delete
1447	How do you perform integer division in JavaScript?	let result = Math.floor(a / b);	2024-09-04	Deactivate		Edit	Delete
1448	How do you perform integer division in Java?	int result = a / b;	2024-09-04	Deactivate		Edit	Delete
1449	How do you perform integer division in C++?	int result = a / b;	2024-09-04	Deactivate		Edit	Delete
1450	How do you check for null in Python?	is_null = variable is None	2024-09-04	Deactivate		Edit	Delete
1451	How do you check for null in JavaScript?	let isNull = variable === null;	2024-09-04	Deactivate		Edit	Delete
1452	How do you check for null in Java?	boolean isNull = (variable == null);	2024-09-04	Deactivate		Edit	Delete
1453	How do you check for null in C++?	bool isNull = (variable == nullptr);	2024-09-04	Deactivate		Edit	Delete
1454	How do you iterate over a list in Python?	for item in my_list: # process item	2024-09-04	Deactivate		Edit	Delete
1455	How do you iterate over an array in JavaScript?	myArray.forEach(item => { // process item });	2024-09-04	Deactivate		Edit	Delete
1456	How do you iterate over a list in Java?	for (String item : myList) { // process item }	2024-09-04	Deactivate		Edit	Delete
1457	How do you iterate over a vector in C++?	for (const auto& item : myVector) { // process item }	2024-09-04	Deactivate		Edit	Delete
1458	How do you create a new file in Python?	with open("filename.txt", "w") as file: file.write("content")	2024-09-04	Deactivate		Edit	Delete
1459	How do you create a new file in JavaScript?	const fs = require("fs"); fs.writeFile("filename.txt", "content", err => { if (err) throw err; });	2024-09-04	Deactivate		Edit	Delete
1460	How do you create a new file in Java?	import java.io.FileWriter; FileWriter writer = new FileWriter("filename.txt"); writer.write("content"); writer.close();	2024-09-04	Deactivate		Edit	Delete
1461	How do you create a new file in C++?	#include std::ofstream file("filename.txt"); file << "content"; file.close();	2024-09-04	Deactivate		Edit	Delete
1462	How do you read from a file in Python?	with open("filename.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
1463	How do you read from a file in JavaScript?	const fs = require("fs"); fs.readFile("filename.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
1464	How do you read from a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("filename.txt")));	2024-09-04	Deactivate		Edit	Delete
1465	How do you read from a file in C++?	#include std::ifstream file("filename.txt"); std::string content; std::getline(file, content); file.close();	2024-09-04	Deactivate		Edit	Delete
1466	How do you handle exceptions in Python?	try: # code that may raise an exception except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
1467	How do you handle exceptions in JavaScript?	try { // code that may throw an error } catch (error) { // handle error }	2024-09-04	Deactivate		Edit	Delete
1468	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1469	How do you handle exceptions in C++?	try { // code that may throw an exception } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1470	How do you create a list in Python?	my_list = []	2024-09-04	Deactivate		Edit	Delete
1471	How do you create an array in JavaScript?	let myArray = [];	2024-09-04	Deactivate		Edit	Delete
1472	How do you declare a constant in Python?	CONSTANT_NAME = value	2024-09-04	Deactivate		Edit	Delete
1473	How do you declare a constant in JavaScript?	const CONSTANT_NAME = value;	2024-09-04	Deactivate		Edit	Delete
1474	How do you declare a constant in Java?	public static final TYPE CONSTANT_NAME = value;	2024-09-04	Deactivate		Edit	Delete
1475	How do you declare a constant in C++?	const TYPE CONSTANT_NAME = value;	2024-09-04	Deactivate		Edit	Delete
1476	How do you create a class in Python?	class MyClass: pass	2024-09-04	Deactivate		Edit	Delete
1477	How do you create a class in JavaScript?	class MyClass { constructor() {} }	2024-09-04	Deactivate		Edit	Delete
1478	How do you create a class in Java?	public class MyClass { // class body }	2024-09-04	Deactivate		Edit	Delete
1479	How do you create a class in C++?	class MyClass { public: // class body };	2024-09-04	Deactivate		Edit	Delete
1480	How do you create an instance of a class in Python?	instance = MyClass()	2024-09-04	Deactivate		Edit	Delete
1481	How do you create an instance of a class in JavaScript?	let instance = new MyClass();	2024-09-04	Deactivate		Edit	Delete
1482	How do you create an instance of a class in Java?	MyClass instance = new MyClass();	2024-09-04	Deactivate		Edit	Delete
1483	How do you create an instance of a class in C++?	MyClass instance;	2024-09-04	Deactivate		Edit	Delete
1484	How do you define a method in Python?	def method_name(self): # method code	2024-09-04	Deactivate		Edit	Delete
1485	How do you define a method in JavaScript?	method_name() { // method code }	2024-09-04	Deactivate		Edit	Delete
1486	How do you define a method in Java?	public void methodName() { // method code }	2024-09-04	Deactivate		Edit	Delete
1487	How do you define a method in C++?	void methodName() { // method code }	2024-09-04	Deactivate		Edit	Delete
1488	How do you access a class method in Python?	instance.method_name()	2024-09-04	Deactivate		Edit	Delete
1489	How do you access a class method in JavaScript?	instance.methodName();	2024-09-04	Deactivate		Edit	Delete
1490	How do you access a class method in Java?	instance.methodName();	2024-09-04	Deactivate		Edit	Delete
1491	How do you access a class method in C++?	instance.methodName();	2024-09-04	Deactivate		Edit	Delete
1492	How do you handle input from the user in Python?	input_value = input("Enter something: ")	2024-09-04	Deactivate		Edit	Delete
1493	How do you handle input from the user in JavaScript?	let inputValue = prompt("Enter something:");	2024-09-04	Deactivate		Edit	Delete
1494	How do you handle input from the user in Java?	import java.util.Scanner; Scanner scanner = new Scanner(System.in); String input = scanner.nextLine();	2024-09-04	Deactivate		Edit	Delete
1495	How do you handle input from the user in C++?	#include std::string input; std::cin >> input;	2024-09-04	Deactivate		Edit	Delete
1496	How do you handle output in Python?	print("Hello, World!")	2024-09-04	Deactivate		Edit	Delete
1497	How do you handle output in JavaScript?	console.log("Hello, World!");	2024-09-04	Deactivate		Edit	Delete
1498	How do you handle output in Java?	System.out.println("Hello, World!");	2024-09-04	Deactivate		Edit	Delete
1499	How do you handle output in C++?	#include std::cout << "Hello, World!";	2024-09-04	Deactivate		Edit	Delete
1500	How do you implement a loop in Python?	for i in range(5): # loop code	2024-09-04	Deactivate		Edit	Delete
1501	How do you implement a loop in JavaScript?	for (let i = 0; i < 5; i++) { // loop code }	2024-09-04	Deactivate		Edit	Delete
1502	How do you implement a loop in Java?	for (int i = 0; i < 5; i++) { // loop code }	2024-09-04	Deactivate		Edit	Delete
1503	How do you implement a loop in C++?	for (int i = 0; i < 5; i++) { // loop code }	2024-09-04	Deactivate		Edit	Delete
1504	How do you use a conditional statement in Python?	if condition: # code	2024-09-04	Deactivate		Edit	Delete
1505	How do you use a conditional statement in JavaScript?	if (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
1506	How do you use a conditional statement in Java?	if (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
1507	How do you use a conditional statement in C++?	if (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
1508	How do you create a function in Python?	def function_name(): # function code	2024-09-04	Deactivate		Edit	Delete
1509	How do you create a function in JavaScript?	function functionName() { // function code }	2024-09-04	Deactivate		Edit	Delete
1510	How do you create a function in Java?	public void functionName() { // function code }	2024-09-04	Deactivate		Edit	Delete
1511	How do you create a function in C++?	returnType functionName() { // function code }	2024-09-04	Deactivate		Edit	Delete
1512	How do you import a module in Python?	import module_name	2024-09-04	Deactivate		Edit	Delete
1513	How do you import a module in JavaScript?	import moduleName from "module";	2024-09-04	Deactivate		Edit	Delete
1514	How do you import a module in Java?	import packageName.ClassName;	2024-09-04	Deactivate		Edit	Delete
1515	How do you include a header file in C++?	#include "header.h"	2024-09-04	Deactivate		Edit	Delete
1516	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-04	Deactivate		Edit	Delete
1517	How do you create an object in JavaScript?	let obj = { key: "value" };	2024-09-04	Deactivate		Edit	Delete
1518	How do you create a map in Java?	Map map = new HashMap<>();	2024-09-04	Deactivate		Edit	Delete
1519	How do you create a map in C++?	#include	2024-09-04	Deactivate		Edit	Delete
1520	How do you access a dictionary value in Python?	value = my_dict["key"]	2024-09-04	Deactivate		Edit	Delete
1521	How do you access an object property in JavaScript?	let value = obj.key;	2024-09-04	Deactivate		Edit	Delete
1522	How do you access a map value in Java?	ValueType value = map.get(key);	2024-09-04	Deactivate		Edit	Delete
1523	How do you access a map value in C++?	ValueType value = myMap[key];	2024-09-04	Deactivate		Edit	Delete
1524	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-04	Deactivate		Edit	Delete
1525	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
1526	How do you remove an item from a list in Java?	myList.remove(index);	2024-09-04	Deactivate		Edit	Delete
1527	How do you remove an item from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
1528	How do you check if a file exists in Python?	import os os.path.isfile("filename.txt")	2024-09-04	Deactivate		Edit	Delete
1529	How do you check if a file exists in JavaScript?	const fs = require("fs"); fs.existsSync("filename.txt");	2024-09-04	Deactivate		Edit	Delete
1530	How do you check if a file exists in Java?	File file = new File("filename.txt"); boolean exists = file.exists();	2024-09-04	Deactivate		Edit	Delete
1531	How do you check if a file exists in C++?	#include std::ifstream file("filename.txt"); bool exists = file.good();	2024-09-04	Deactivate		Edit	Delete
1532	How do you get the current date and time in Python?	from datetime import datetime now = datetime.now()	2024-09-04	Deactivate		Edit	Delete
1533	How do you get the current date and time in JavaScript?	let now = new Date();	2024-09-04	Deactivate		Edit	Delete
1534	How do you get the current date and time in Java?	import java.time.LocalDateTime; LocalDateTime now = LocalDateTime.now();	2024-09-04	Deactivate		Edit	Delete
1535	How do you get the current date and time in C++?	#include std::time_t now = std::time(0);	2024-09-04	Deactivate		Edit	Delete
1536	How do you format a date in Python?	from datetime import datetime formatted_date = now.strftime("%Y-%m-%d %H:%M:%S")	2024-09-04	Deactivate		Edit	Delete
1537	How do you format a date in JavaScript?	let formattedDate = now.toISOString();	2024-09-04	Deactivate		Edit	Delete
1538	How do you format a date in Java?	import java.time.format.DateTimeFormatter; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); String formattedDate = now.format(formatter);	2024-09-04	Deactivate		Edit	Delete
1539	How do you format a date in C++?	#include #include std::ostringstream oss; oss << std::put_time(std::localtime(&now), "%Y-%m-%d %H:%M:%S"); std::string formattedDate = oss.str();	2024-09-04	Deactivate		Edit	Delete
1540	How do you create a new file in Python?	with open("newfile.txt", "w") as file: file.write("Hello, World!")	2024-09-04	Deactivate		Edit	Delete
1541	How do you create a new file in JavaScript?	const fs = require("fs"); fs.writeFileSync("newfile.txt", "Hello, World!");	2024-09-04	Deactivate		Edit	Delete
1542	How do you create a new file in Java?	import java.io.FileWriter; FileWriter writer = new FileWriter("newfile.txt"); writer.write("Hello, World!"); writer.close();	2024-09-04	Deactivate		Edit	Delete
1543	How do you create a new file in C++?	#include std::ofstream file("newfile.txt"); file << "Hello, World!";	2024-09-04	Deactivate		Edit	Delete
1544	How do you update a file in Python?	with open("file.txt", "a") as file: file.write("New content")	2024-09-04	Deactivate		Edit	Delete
1545	How do you update a file in JavaScript?	const fs = require("fs"); fs.appendFileSync("file.txt", "New content");	2024-09-04	Deactivate		Edit	Delete
1546	How do you update a file in Java?	import java.io.FileWriter; FileWriter writer = new FileWriter("file.txt", true); writer.write("New content"); writer.close();	2024-09-04	Deactivate		Edit	Delete
1547	How do you update a file in C++?	#include std::ofstream file("file.txt", std::ios::app); file << "New content";	2024-09-04	Deactivate		Edit	Delete
1548	How do you delete a file in Python?	import os os.remove("file.txt")	2024-09-04	Deactivate		Edit	Delete
1549	How do you delete a file in JavaScript?	const fs = require("fs"); fs.unlinkSync("file.txt");	2024-09-04	Deactivate		Edit	Delete
1550	How do you delete a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; Files.delete(Paths.get("file.txt"));	2024-09-04	Deactivate		Edit	Delete
1551	How do you delete a file in C++?	#include std::remove("file.txt");	2024-09-04	Deactivate		Edit	Delete
1552	How do you create a thread in Python?	import threading thread = threading.Thread(target=func) thread.start()	2024-09-04	Deactivate		Edit	Delete
1553	How do you create a thread in JavaScript?	function run() {} new Worker("script.js");	2024-09-04	Deactivate		Edit	Delete
1554	How do you create a thread in Java?	new Thread(new Runnable() { public void run() { // thread code } }).start();	2024-09-04	Deactivate		Edit	Delete
1555	How do you create a thread in C++?	#include std::thread t([]() { // thread code }); t.join();	2024-09-04	Deactivate		Edit	Delete
1556	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
1557	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1558	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1559	How do you handle exceptions in C++?	#include try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1560	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
1561	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
1562	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
1563	How do you read a file in C++?	#include #include std::ifstream file("file.txt"); std::string content; std::getline(file, content);	2024-09-04	Deactivate		Edit	Delete
1564	How do you create a directory in Python?	import os os.makedirs("new_directory")	2024-09-04	Deactivate		Edit	Delete
1565	How do you create a directory in JavaScript?	const fs = require("fs"); fs.mkdirSync("new_directory");	2024-09-04	Deactivate		Edit	Delete
1566	How do you create a directory in Java?	import java.io.File; File directory = new File("new_directory"); directory.mkdir();	2024-09-04	Deactivate		Edit	Delete
1567	How do you create a directory in C++?	#include namespace fs = std::filesystem; fs::create_directory("new_directory");	2024-09-04	Deactivate		Edit	Delete
1568	How do you list files in a directory in Python?	import os files = os.listdir("directory_path")	2024-09-04	Deactivate		Edit	Delete
1569	How do you list files in a directory in JavaScript?	const fs = require("fs"); fs.readdir("directory_path", (err, files) => { if (err) throw err; console.log(files); });	2024-09-04	Deactivate		Edit	Delete
1570	How do you list files in a directory in Java?	import java.io.File; File folder = new File("directory_path"); File[] listOfFiles = folder.listFiles();	2024-09-04	Deactivate		Edit	Delete
1571	How do you list files in a directory in C++?	#include namespace fs = std::filesystem; for (const auto & entry : fs::directory_iterator("directory_path")) std::cout << entry.path() << std::endl;	2024-09-04	Deactivate		Edit	Delete
1572	How do you delete a directory in Python?	import shutil shutil.rmtree("directory_path")	2024-09-04	Deactivate		Edit	Delete
1573	How do you delete a directory in JavaScript?	const fs = require("fs"); fs.rmdir("directory_path", { recursive: true }, (err) => { if (err) throw err; });	2024-09-04	Deactivate		Edit	Delete
1574	How do you delete a directory in Java?	import java.io.File; File directory = new File("directory_path"); if (directory.isDirectory()) { for (File file : directory.listFiles()) { file.delete(); } directory.delete(); }	2024-09-04	Deactivate		Edit	Delete
1575	How do you delete a directory in C++?	#include namespace fs = std::filesystem; fs::remove_all("directory_path");	2024-09-04	Deactivate		Edit	Delete
1576	How do you convert a string to an integer in Python?	number = int("123")	2024-09-04	Deactivate		Edit	Delete
1577	How do you convert a string to an integer in JavaScript?	let number = parseInt("123");	2024-09-04	Deactivate		Edit	Delete
1578	How do you convert a string to an integer in Java?	int number = Integer.parseInt("123");	2024-09-04	Deactivate		Edit	Delete
1579	How do you convert a string to an integer in C++?	#include int number = std::stoi("123");	2024-09-04	Deactivate		Edit	Delete
1580	How do you convert an integer to a string in Python?	string = str(123)	2024-09-04	Deactivate		Edit	Delete
1581	How do you convert an integer to a string in JavaScript?	let string = 123.toString();	2024-09-04	Deactivate		Edit	Delete
1582	How do you convert an integer to a string in Java?	String string = Integer.toString(123);	2024-09-04	Deactivate		Edit	Delete
1583	How do you convert an integer to a string in C++?	#include std::string string = std::to_string(123);	2024-09-04	Deactivate		Edit	Delete
1584	How do you concatenate strings in Python?	result = "Hello " + "World"	2024-09-04	Deactivate		Edit	Delete
1585	How do you concatenate strings in JavaScript?	let result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
1586	How do you concatenate strings in Java?	String result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
1587	How do you concatenate strings in C++?	#include std::string result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
1588	How do you check if a string contains a substring in Python?	"substring" in "string"	2024-09-04	Deactivate		Edit	Delete
1589	How do you check if a string contains a substring in JavaScript?	"string".includes("substring")	2024-09-04	Deactivate		Edit	Delete
1590	How do you check if a string contains a substring in Java?	"string".contains("substring")	2024-09-04	Deactivate		Edit	Delete
1591	How do you check if a string contains a substring in C++?	#include std::string str = "string"; if (str.find("substring") != std::string::npos) { // contains substring }	2024-09-04	Deactivate		Edit	Delete
1592	How do you split a string in Python?	result = "string".split("delimiter")	2024-09-04	Deactivate		Edit	Delete
1593	How do you split a string in JavaScript?	let result = "string".split("delimiter");	2024-09-04	Deactivate		Edit	Delete
1594	How do you split a string in Java?	String[] result = "string".split("delimiter");	2024-09-04	Deactivate		Edit	Delete
1595	How do you split a string in C++?	#include std::string str = "string"; std::stringstream ss(str); std::string token; while (std::getline(ss, token, 'delimiter')) { // process token }	2024-09-04	Deactivate		Edit	Delete
1596	How do you convert a string to lowercase in Python?	result = "string".lower()	2024-09-04	Deactivate		Edit	Delete
1597	How do you convert a string to lowercase in JavaScript?	let result = "string".toLowerCase();	2024-09-04	Deactivate		Edit	Delete
1598	How do you convert a string to lowercase in Java?	String result = "string".toLowerCase();	2024-09-04	Deactivate		Edit	Delete
1599	How do you convert a string to lowercase in C++?	#include #include std::string result = "string"; std::transform(result.begin(), result.end(), result.begin(), ::tolower);	2024-09-04	Deactivate		Edit	Delete
1600	How do you convert a string to uppercase in Python?	result = "string".upper()	2024-09-04	Deactivate		Edit	Delete
1601	How do you convert a string to uppercase in JavaScript?	let result = "string".toUpperCase();	2024-09-04	Deactivate		Edit	Delete
1602	How do you convert a string to uppercase in Java?	String result = "string".toUpperCase();	2024-09-04	Deactivate		Edit	Delete
1603	How do you convert a string to uppercase in C++?	#include #include std::string result = "string"; std::transform(result.begin(), result.end(), result.begin(), ::toupper);	2024-09-04	Deactivate		Edit	Delete
1604	How do you get the length of a string in Python?	length = len("string")	2024-09-04	Deactivate		Edit	Delete
1605	How do you get the length of a string in JavaScript?	let length = "string".length;	2024-09-04	Deactivate		Edit	Delete
1606	How do you get the length of a string in Java?	int length = "string".length();	2024-09-04	Deactivate		Edit	Delete
1607	How do you get the length of a string in C++?	#include std::string str = "string"; std::size_t length = str.length();	2024-09-04	Deactivate		Edit	Delete
1608	How do you replace a substring in Python?	result = "string".replace("old", "new")	2024-09-04	Deactivate		Edit	Delete
1609	How do you replace a substring in JavaScript?	let result = "string".replace("old", "new");	2024-09-04	Deactivate		Edit	Delete
1610	How do you replace a substring in Java?	String result = "string".replace("old", "new");	2024-09-04	Deactivate		Edit	Delete
1611	How do you replace a substring in C++?	#include std::string str = "string"; std::size_t pos = str.find("old"); if (pos != std::string::npos) { str.replace(pos, 3, "new"); }	2024-09-04	Deactivate		Edit	Delete
1612	How do you check if a string is empty in Python?	if not "string": print("Empty")	2024-09-04	Deactivate		Edit	Delete
1613	How do you check if a string is empty in JavaScript?	if ("string".length === 0) { console.log("Empty"); }	2024-09-04	Deactivate		Edit	Delete
1614	How do you check if a string is empty in Java?	if ("string".isEmpty()) { System.out.println("Empty"); }	2024-09-04	Deactivate		Edit	Delete
1615	How do you check if a string is empty in C++?	#include std::string str = ""; if (str.empty()) { // Empty }	2024-09-04	Deactivate		Edit	Delete
1616	How do you get a substring in Python?	substring = "string"[start:end]	2024-09-04	Deactivate		Edit	Delete
1617	How do you get a substring in JavaScript?	let substring = "string".substring(start, end);	2024-09-04	Deactivate		Edit	Delete
1618	How do you get a substring in Java?	String substring = "string".substring(start, end);	2024-09-04	Deactivate		Edit	Delete
1619	How do you get a substring in C++?	#include std::string str = "string"; std::string substring = str.substr(start, length);	2024-09-04	Deactivate		Edit	Delete
1620	How do you remove whitespace from a string in Python?	result = " string ".strip()	2024-09-04	Deactivate		Edit	Delete
1621	How do you remove whitespace from a string in JavaScript?	let result = " string ".trim();	2024-09-04	Deactivate		Edit	Delete
1622	How do you remove whitespace from a string in Java?	String result = " string ".trim();	2024-09-04	Deactivate		Edit	Delete
1623	How do you remove whitespace from a string in C++?	#include #include std::string str = " string "; str.erase(str.begin(), std::find_if_not(str.begin(), str.end(), ::isspace)); str.erase(std::find_if_not(str.rbegin(), str.rend(), ::isspace).base(), str.end());	2024-09-04	Deactivate		Edit	Delete
1624	How do you find the index of a substring in Python?	index = "string".find("substring")	2024-09-04	Deactivate		Edit	Delete
1625	How do you find the index of a substring in JavaScript?	let index = "string".indexOf("substring");	2024-09-04	Deactivate		Edit	Delete
1626	How do you find the index of a substring in Java?	int index = "string".indexOf("substring");	2024-09-04	Deactivate		Edit	Delete
1627	How do you find the index of a substring in C++?	#include std::string str = "string"; std::size_t index = str.find("substring");	2024-09-04	Deactivate		Edit	Delete
1628	How do you handle exceptions in Python?	try: # code that may raise an exception except ExceptionType as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
1629	How do you handle exceptions in JavaScript?	try { // code that may throw an error } catch (e) { // handle error }	2024-09-04	Deactivate		Edit	Delete
1630	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (ExceptionType e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1631	How do you handle exceptions in C++?	#include try { // code that may throw an exception } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1632	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
1633	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
1634	How do you create a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
1635	How do you create a class in C++?	#include class MyClass { private: int value; public: MyClass(int value) : value(value) {} };	2024-09-04	Deactivate		Edit	Delete
1636	How do you inherit a class in Python?	class SubClass(MyClass): def __init__(self, value, extra): super().__init__(value) self.extra = extra	2024-09-04	Deactivate		Edit	Delete
1637	How do you inherit a class in JavaScript?	class SubClass extends MyClass { constructor(value, extra) { super(value); this.extra = extra; } }	2024-09-04	Deactivate		Edit	Delete
1638	How do you inherit a class in Java?	public class SubClass extends MyClass { private int extra; public SubClass(int value, int extra) { super(value); this.extra = extra; } }	2024-09-04	Deactivate		Edit	Delete
1639	How do you inherit a class in C++?	#include class SubClass : public MyClass { private: int extra; public: SubClass(int value, int extra) : MyClass(value), extra(extra) {} };	2024-09-04	Deactivate		Edit	Delete
1640	How do you override a method in Python?	class MyClass: def my_method(self): return "original" class SubClass(MyClass): def my_method(self): return "overridden"	2024-09-04	Deactivate		Edit	Delete
1641	How do you override a method in JavaScript?	class MyClass { myMethod() { return "original"; } } class SubClass extends MyClass { myMethod() { return "overridden"; } }	2024-09-04	Deactivate		Edit	Delete
1642	How do you override a method in Java?	public class MyClass { public String myMethod() { return "original"; } } public class SubClass extends MyClass { @Override public String myMethod() { return "overridden"; } }	2024-09-04	Deactivate		Edit	Delete
1643	How do you override a method in C++?	#include class MyClass { public: virtual std::string myMethod() { return "original"; } }; class SubClass : public MyClass { public: std::string myMethod() override { return "overridden"; } };	2024-09-04	Deactivate		Edit	Delete
1644	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
1645	How do you create a list in JavaScript?	let myList = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
1646	How do you create a list in Java?	import java.util.ArrayList; ArrayList myList = new ArrayList<>(); myList.add(1); myList.add(2); myList.add(3);	2024-09-04	Deactivate		Edit	Delete
1647	How do you create a list in C++?	#include std::vector myList = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
1648	How do you access an element in a list in Python?	element = my_list[0]	2024-09-04	Deactivate		Edit	Delete
1649	How do you access an element in a list in JavaScript?	let element = myList[0];	2024-09-04	Deactivate		Edit	Delete
1650	How do you access an element in a list in Java?	int element = myList.get(0);	2024-09-04	Deactivate		Edit	Delete
1651	How do you access an element in a list in C++?	int element = myList[0];	2024-09-04	Deactivate		Edit	Delete
1652	How do you add an element to a list in Python?	my_list.append(4)	2024-09-04	Deactivate		Edit	Delete
1653	How do you add an element to a list in JavaScript?	myList.push(4);	2024-09-04	Deactivate		Edit	Delete
1654	How do you add an element to a list in Java?	myList.add(4);	2024-09-04	Deactivate		Edit	Delete
1655	How do you add an element to a list in C++?	myList.push_back(4);	2024-09-04	Deactivate		Edit	Delete
1656	How do you remove an element from a list in Python?	my_list.remove(2)	2024-09-04	Deactivate		Edit	Delete
1657	How do you remove an element from a list in JavaScript?	myList.splice(0, 1);	2024-09-04	Deactivate		Edit	Delete
1658	How do you remove an element from a list in Java?	myList.remove(0);	2024-09-04	Deactivate		Edit	Delete
1659	How do you remove an element from a list in C++?	myList.erase(myList.begin());	2024-09-04	Deactivate		Edit	Delete
1660	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1661	How do you sort a list in JavaScript?	myList.sort();	2024-09-04	Deactivate		Edit	Delete
1662	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1663	How do you sort a list in C++?	#include std::sort(myList.begin(), myList.end());	2024-09-04	Deactivate		Edit	Delete
1664	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
1665	How do you find the length of a list in JavaScript?	let length = myList.length;	2024-09-04	Deactivate		Edit	Delete
1666	How do you find the length of a list in Java?	int length = myList.size();	2024-09-04	Deactivate		Edit	Delete
1667	How do you find the length of a list in C++?	int length = myList.size();	2024-09-04	Deactivate		Edit	Delete
1668	How do you check if a list is empty in Python?	if not my_list: print("Empty")	2024-09-04	Deactivate		Edit	Delete
1669	How do you check if a list is empty in JavaScript?	if (myList.length === 0) { console.log("Empty"); }	2024-09-04	Deactivate		Edit	Delete
1670	How do you check if a list is empty in Java?	if (myList.isEmpty()) { System.out.println("Empty"); }	2024-09-04	Deactivate		Edit	Delete
1671	How do you check if a list is empty in C++?	if (myList.empty()) { std::cout << "Empty"; }	2024-09-04	Deactivate		Edit	Delete
1672	How do you concatenate two lists in Python?	result = list1 + list2	2024-09-04	Deactivate		Edit	Delete
1673	How do you concatenate two lists in JavaScript?	let result = list1.concat(list2);	2024-09-04	Deactivate		Edit	Delete
1674	How do you concatenate two lists in Java?	myList.addAll(anotherList);	2024-09-04	Deactivate		Edit	Delete
1675	How do you concatenate two lists in C++?	#include myList.insert(myList.end(), anotherList.begin(), anotherList.end());	2024-09-04	Deactivate		Edit	Delete
1676	How do you find an element in a list in Python?	index = my_list.index(2)	2024-09-04	Deactivate		Edit	Delete
1677	How do you find an element in a list in JavaScript?	let index = myList.indexOf(2);	2024-09-04	Deactivate		Edit	Delete
1678	How do you find an element in a list in Java?	int index = myList.indexOf(2);	2024-09-04	Deactivate		Edit	Delete
1679	How do you find an element in a list in C++?	auto it = std::find(myList.begin(), myList.end(), 2); if (it != myList.end()) { int index = std::distance(myList.begin(), it); }	2024-09-04	Deactivate		Edit	Delete
1680	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1681	How do you reverse a list in JavaScript?	myList.reverse();	2024-09-04	Deactivate		Edit	Delete
1682	How do you reverse a list in Java?	Collections.reverse(myList);	2024-09-04	Deactivate		Edit	Delete
1683	How do you reverse a list in C++?	#include std::reverse(myList.begin(), myList.end());	2024-09-04	Deactivate		Edit	Delete
1684	How do you check if an element is in a list in Python?	if 2 in my_list: print("Found")	2024-09-04	Deactivate		Edit	Delete
1685	How do you check if an element is in a list in JavaScript?	if (myList.includes(2)) { console.log("Found"); }	2024-09-04	Deactivate		Edit	Delete
1686	How do you check if an element is in a list in Java?	if (myList.contains(2)) { System.out.println("Found"); }	2024-09-04	Deactivate		Edit	Delete
1687	How do you check if an element is in a list in C++?	if (std::find(myList.begin(), myList.end(), 2) != myList.end()) { std::cout << "Found"; }	2024-09-04	Deactivate		Edit	Delete
1688	How do you get a sublist in Python?	sub_list = my_list[1:3]	2024-09-04	Deactivate		Edit	Delete
1689	How do you get a sublist in JavaScript?	let subList = myList.slice(1, 3);	2024-09-04	Deactivate		Edit	Delete
1690	How do you get a sublist in Java?	List subList = myList.subList(1, 3);	2024-09-04	Deactivate		Edit	Delete
1691	How do you get a sublist in C++?	std::vector subList(myList.begin() + 1, myList.begin() + 3);	2024-09-04	Deactivate		Edit	Delete
1692	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
1693	How do you find the maximum value in a list in JavaScript?	let maxValue = Math.max(...myList);	2024-09-04	Deactivate		Edit	Delete
1694	How do you find the maximum value in a list in Java?	int maxValue = Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
1695	How do you find the maximum value in a list in C++?	int maxValue = *std::max_element(myList.begin(), myList.end());	2024-09-04	Deactivate		Edit	Delete
1696	How do you find the minimum value in a list in Python?	min_value = min(my_list)	2024-09-04	Deactivate		Edit	Delete
1697	How do you find the minimum value in a list in JavaScript?	let minValue = Math.min(...myList);	2024-09-04	Deactivate		Edit	Delete
1698	How do you find the minimum value in a list in Java?	int minValue = Collections.min(myList);	2024-09-04	Deactivate		Edit	Delete
1699	How do you find the minimum value in a list in C++?	int minValue = *std::min_element(myList.begin(), myList.end());	2024-09-04	Deactivate		Edit	Delete
1700	How do you check if a list contains duplicates in Python?	has_duplicates = len(my_list) != len(set(my_list))	2024-09-04	Deactivate		Edit	Delete
1701	How do you check if a list contains duplicates in JavaScript?	let hasDuplicates = new Set(myList).size !== myList.length;	2024-09-04	Deactivate		Edit	Delete
1702	How do you check if a list contains duplicates in Java?	boolean hasDuplicates = myList.size() != new HashSet<>(myList).size();	2024-09-04	Deactivate		Edit	Delete
1703	How do you check if a list contains duplicates in C++?	#include bool hasDuplicates = myList.size() != std::unordered_set(myList.begin(), myList.end()).size();	2024-09-04	Deactivate		Edit	Delete
1704	How do you find the sum of elements in a list in Python?	total_sum = sum(my_list)	2024-09-04	Deactivate		Edit	Delete
1705	How do you find the sum of elements in a list in JavaScript?	let totalSum = myList.reduce((a, b) => a + b, 0);	2024-09-04	Deactivate		Edit	Delete
1706	How do you find the sum of elements in a list in Java?	int totalSum = myList.stream().mapToInt(Integer::intValue).sum();	2024-09-04	Deactivate		Edit	Delete
1707	How do you find the sum of elements in a list in C++?	int totalSum = std::accumulate(myList.begin(), myList.end(), 0);	2024-09-04	Deactivate		Edit	Delete
1708	How do you perform a linear search in Python?	def linear_search(my_list, target): for index, value in enumerate(my_list): if value == target: return index return -1	2024-09-04	Deactivate		Edit	Delete
1709	How do you perform a linear search in JavaScript?	function linearSearch(list, target) { for (let i = 0; i < list.length; i++) { if (list[i] === target) { return i; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
1710	How do you perform a linear search in Java?	public static int linearSearch(List list, int target) { for (int i = 0; i < list.size(); i++) { if (list.get(i) == target) { return i; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
1711	How do you perform a linear search in C++?	#include int linearSearch(const std::vector& list, int target) { auto it = std::find(list.begin(), list.end(), target); return it != list.end() ? std::distance(list.begin(), it) : -1; }	2024-09-04	Deactivate		Edit	Delete
1712	How do you perform a binary search in Python?	def binary_search(my_list, target): left, right = 0, len(my_list) - 1 while left <= right: mid = (left + right) // 2 if my_list[mid] == target: return mid elif my_list[mid] < target: left = mid + 1 else: right = mid - 1 return -1	2024-09-04	Deactivate		Edit	Delete
1713	How do you perform a binary search in JavaScript?	function binarySearch(list, target) { let left = 0, right = list.length - 1; while (left <= right) { const mid = Math.floor((left + right) / 2); if (list[mid] === target) { return mid; } else if (list[mid] < target) { left = mid + 1; } else { right = mid - 1; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
1714	How do you perform a binary search in Java?	public static int binarySearch(List list, int target) { int left = 0, right = list.size() - 1; while (left <= right) { int mid = (left + right) / 2; if (list.get(mid) == target) { return mid; } else if (list.get(mid) < target) { left = mid + 1; } else { right = mid - 1; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
1715	How do you perform a binary search in C++?	#include int binarySearch(const std::vector& list, int target) { int left = 0, right = list.size() - 1; while (left <= right) { int mid = (left + right) / 2; if (list[mid] == target) { return mid; } else if (list[mid] < target) { left = mid + 1; } else { right = mid - 1; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
1716	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
1717	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
1718	How do you create a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
1719	How do you create a class in C++?	class MyClass { int value; public: MyClass(int value) : value(value) {} };	2024-09-04	Deactivate		Edit	Delete
1720	How do you create a function in Python?	def my_function(param): return param	2024-09-04	Deactivate		Edit	Delete
1721	How do you create a function in JavaScript?	function myFunction(param) { return param; }	2024-09-04	Deactivate		Edit	Delete
1722	How do you create a function in Java?	public int myFunction(int param) { return param; }	2024-09-04	Deactivate		Edit	Delete
1723	How do you create a function in C++?	int myFunction(int param) { return param; }	2024-09-04	Deactivate		Edit	Delete
1724	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
1725	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1726	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1727	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
1728	How do you open a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
1729	How do you open a file in JavaScript (Node.js)?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
1730	How do you open a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; byte[] bytes = Files.readAllBytes(Paths.get("file.txt"));	2024-09-04	Deactivate		Edit	Delete
1731	How do you open a file in C++?	#include std::ifstream file("file.txt"); std::string content; file >> content;	2024-09-04	Deactivate		Edit	Delete
1732	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, world!")	2024-09-04	Deactivate		Edit	Delete
1733	How do you write to a file in JavaScript (Node.js)?	const fs = require("fs"); fs.writeFile("file.txt", "Hello, world!", (err) => { if (err) throw err; console.log("File written!"); });	2024-09-04	Deactivate		Edit	Delete
1734	How do you write to a file in Java?	import java.io.FileWriter; import java.io.IOException; try (FileWriter writer = new FileWriter("file.txt")) { writer.write("Hello, world!"); } catch (IOException e) { e.printStackTrace(); }	2024-09-04	Deactivate		Edit	Delete
1735	How do you write to a file in C++?	#include std::ofstream file("file.txt"); file << "Hello, world!";	2024-09-04	Deactivate		Edit	Delete
1736	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1737	How do you sort a list in JavaScript?	myList.sort()	2024-09-04	Deactivate		Edit	Delete
1738	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1739	How do you sort a list in C++?	#include std::sort(myList.begin(), myList.end());	2024-09-04	Deactivate		Edit	Delete
1740	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
1741	How do you find the length of an array in JavaScript?	length = myArray.length	2024-09-04	Deactivate		Edit	Delete
1742	How do you find the length of a list in Java?	int length = myList.size();	2024-09-04	Deactivate		Edit	Delete
1743	How do you find the length of a vector in C++?	int length = myVector.size();	2024-09-04	Deactivate		Edit	Delete
1744	How do you check if a list is empty in Python?	if not my_list:	2024-09-04	Deactivate		Edit	Delete
1745	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1746	How do you check if a list is empty in Java?	if (myList.isEmpty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1747	How do you check if a vector is empty in C++?	if (myVector.empty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1748	How do you append an item to a list in Python?	my_list.append(item)	2024-09-04	Deactivate		Edit	Delete
1749	How do you append an item to an array in JavaScript?	myArray.push(item)	2024-09-04	Deactivate		Edit	Delete
1750	How do you add an item to a list in Java?	myList.add(item);	2024-09-04	Deactivate		Edit	Delete
1751	How do you add an item to a vector in C++?	myVector.push_back(item);	2024-09-04	Deactivate		Edit	Delete
1752	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-04	Deactivate		Edit	Delete
1753	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1)	2024-09-04	Deactivate		Edit	Delete
1754	How do you remove an item from a list in Java?	myList.remove(item);	2024-09-04	Deactivate		Edit	Delete
1755	How do you remove an item from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
1756	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
1757	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1758	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1759	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1760	How do you check for a substring in Python?	if substring in string:	2024-09-04	Deactivate		Edit	Delete
1761	How do you check for a substring in JavaScript?	if (string.includes(substring)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1762	How do you check for a substring in Java?	if (string.contains(substring)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1763	How do you check for a substring in C++?	if (string.find(substring) != std::string::npos) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1764	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1765	How do you reverse an array in JavaScript?	myArray.reverse()	2024-09-04	Deactivate		Edit	Delete
1766	How do you reverse a list in Java?	Collections.reverse(myList);	2024-09-04	Deactivate		Edit	Delete
1767	How do you reverse a vector in C++?	#include std::reverse(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1768	How do you check if a number is prime in Python?	def is_prime(n): if n <= 1: return False for i in range(2, int(n**0.5) + 1): if n % i == 0: return False return True	2024-09-04	Deactivate		Edit	Delete
1769	How do you check if a number is prime in Python?	def is_prime(n): if n <= 1: return False for i in range(2, int(n**0.5) + 1): if n % i == 0: return False return True	2024-09-04	Deactivate		Edit	Delete
1770	How do you check if a number is prime in JavaScript?	function isPrime(n) { if (n <= 1) return false; for (let i = 2; i <= Math.sqrt(n); i++) { if (n % i === 0) return false; } return true; }	2024-09-04	Deactivate		Edit	Delete
1771	How do you check if a number is prime in Java?	public boolean isPrime(int n) { if (n <= 1) return false; for (int i = 2; i <= Math.sqrt(n); i++) { if (n % i == 0) return false; } return true; }	2024-09-04	Deactivate		Edit	Delete
1772	How do you check if a number is prime in C++?	bool isPrime(int n) { if (n <= 1) return false; for (int i = 2; i <= sqrt(n); i++) { if (n % i == 0) return false; } return true; }	2024-09-04	Deactivate		Edit	Delete
1773	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
1774	How do you find the maximum value in an array in JavaScript?	let max = Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
1775	How do you find the maximum value in a list in Java?	int max = Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
1776	How do you find the maximum value in a vector in C++?	int max = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1777	How do you find the minimum value in a list in Python?	min_value = min(my_list)	2024-09-04	Deactivate		Edit	Delete
1778	How do you find the minimum value in an array in JavaScript?	let min = Math.min(...myArray);	2024-09-04	Deactivate		Edit	Delete
1779	How do you find the minimum value in a list in Java?	int min = Collections.min(myList);	2024-09-04	Deactivate		Edit	Delete
1780	How do you find the minimum value in a vector in C++?	int min = *std::min_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1781	How do you reverse a string in Python?	reversed_str = my_str[::-1]	2024-09-04	Deactivate		Edit	Delete
1782	How do you reverse a string in JavaScript?	let reversedStr = myStr.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
1783	How do you reverse a string in Java?	public String reverse(String str) { return new StringBuilder(str).reverse().toString(); }	2024-09-04	Deactivate		Edit	Delete
1784	How do you reverse a string in C++?	std::reverse(myStr.begin(), myStr.end());	2024-09-04	Deactivate		Edit	Delete
1785	How do you check if a list contains a value in Python?	if value in my_list:	2024-09-04	Deactivate		Edit	Delete
1786	How do you check if an array contains a value in JavaScript?	if (myArray.includes(value)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1787	How do you check if a list contains a value in Java?	if (myList.contains(value)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1788	How do you check if a vector contains a value in C++?	if (std::find(myVector.begin(), myVector.end(), value) != myVector.end()) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1789	How do you count occurrences of a value in a list in Python?	count = my_list.count(value)	2024-09-04	Deactivate		Edit	Delete
1790	How do you count occurrences of a value in an array in JavaScript?	let count = myArray.filter(x => x === value).length;	2024-09-04	Deactivate		Edit	Delete
1791	How do you count occurrences of a value in a list in Java?	int count = Collections.frequency(myList, value);	2024-09-04	Deactivate		Edit	Delete
1792	How do you count occurrences of a value in a vector in C++?	int count = std::count(myVector.begin(), myVector.end(), value);	2024-09-04	Deactivate		Edit	Delete
1793	How do you remove duplicates from a list in Python?	unique_list = list(set(my_list))	2024-09-04	Deactivate		Edit	Delete
1794	How do you remove duplicates from an array in JavaScript?	let uniqueArray = [...new Set(myArray)];	2024-09-04	Deactivate		Edit	Delete
1795	How do you remove duplicates from a list in Java?	List uniqueList = myList.stream().distinct().collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
1796	How do you remove duplicates from a vector in C++?	#include std::sort(myVector.begin(), myVector.end()); auto last = std::unique(myVector.begin(), myVector.end()); myVector.erase(last, myVector.end());	2024-09-04	Deactivate		Edit	Delete
1797	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1798	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
1799	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1800	How do you sort a vector in C++?	#include std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1801	How do you find the index of an element in a list in Python?	index = my_list.index(value)	2024-09-04	Deactivate		Edit	Delete
1802	How do you find the index of an element in an array in JavaScript?	let index = myArray.indexOf(value);	2024-09-04	Deactivate		Edit	Delete
1803	How do you find the index of an element in a list in Java?	int index = myList.indexOf(value);	2024-09-04	Deactivate		Edit	Delete
1804	How do you find the index of an element in a vector in C++?	auto it = std::find(myVector.begin(), myVector.end(), value); if (it != myVector.end()) { int index = std::distance(myVector.begin(), it); }	2024-09-04	Deactivate		Edit	Delete
1805	How do you create a new list from an existing list with elements greater than a certain value in Python?	new_list = [x for x in my_list if x > value]	2024-09-04	Deactivate		Edit	Delete
1806	How do you create a new array from an existing array with elements greater than a certain value in JavaScript?	let newArray = myArray.filter(x => x > value);	2024-09-04	Deactivate		Edit	Delete
1807	How do you create a new list from an existing list with elements greater than a certain value in Java?	List newList = myList.stream().filter(x -> x > value).collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
1808	How do you create a new vector from an existing vector with elements greater than a certain value in C++?	std::vector newVector; std::copy_if(myVector.begin(), myVector.end(), std::back_inserter(newVector), [value](int x) { return x > value; });	2024-09-04	Deactivate		Edit	Delete
1809	How do you convert a string to an integer in Python?	int_value = int(my_str)	2024-09-04	Deactivate		Edit	Delete
1810	How do you convert a string to an integer in JavaScript?	let intValue = parseInt(myStr, 10);	2024-09-04	Deactivate		Edit	Delete
1811	How do you convert a string to an integer in Java?	int intValue = Integer.parseInt(myStr);	2024-09-04	Deactivate		Edit	Delete
1812	How do you convert a string to an integer in C++?	int intValue = std::stoi(myStr);	2024-09-04	Deactivate		Edit	Delete
1813	How do you convert an integer to a string in Python?	str_value = str(my_int)	2024-09-04	Deactivate		Edit	Delete
1814	How do you convert an integer to a string in JavaScript?	let strValue = myInt.toString();	2024-09-04	Deactivate		Edit	Delete
1815	How do you convert an integer to a string in Java?	String strValue = Integer.toString(myInt);	2024-09-04	Deactivate		Edit	Delete
1816	How do you convert an integer to a string in C++?	std::string strValue = std::to_string(myInt);	2024-09-04	Deactivate		Edit	Delete
1817	How do you concatenate two strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
1818	How do you concatenate two strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1819	How do you concatenate two strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1820	How do you concatenate two strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1821	How do you find the length of a string in Python?	length = len(my_str)	2024-09-04	Deactivate		Edit	Delete
1822	How do you find the length of a string in JavaScript?	let length = myStr.length;	2024-09-04	Deactivate		Edit	Delete
1823	How do you find the length of a string in Java?	int length = myStr.length();	2024-09-04	Deactivate		Edit	Delete
1824	How do you find the length of a string in C++?	int length = myStr.length();	2024-09-04	Deactivate		Edit	Delete
1825	How do you check if a string contains a substring in Python?	if substring in my_str:	2024-09-04	Deactivate		Edit	Delete
1826	How do you check if a string contains a substring in JavaScript?	if (myStr.includes(substring)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1827	How do you check if a string contains a substring in Java?	if (myStr.contains(substring)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1828	How do you check if a string contains a substring in C++?	if (myStr.find(substring) != std::string::npos) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1829	How do you split a string by a delimiter in Python?	split_list = my_str.split(delimiter)	2024-09-04	Deactivate		Edit	Delete
1830	How do you split a string by a delimiter in JavaScript?	let splitArray = myStr.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
1831	How do you split a string by a delimiter in Java?	String[] splitArray = myStr.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
1832	How do you split a string by a delimiter in C++?	#include std::stringstream ss(myStr); std::string item; std::vector splitArray; while (std::getline(ss, item, delimiter)) { splitArray.push_back(item); }	2024-09-04	Deactivate		Edit	Delete
1833	How do you join elements of a list into a string in Python?	joined_str = delimiter.join(my_list)	2024-09-04	Deactivate		Edit	Delete
1834	How do you join elements of an array into a string in JavaScript?	let joinedStr = myArray.join(delimiter);	2024-09-04	Deactivate		Edit	Delete
1835	How do you join elements of a list into a string in Java?	String joinedStr = String.join(delimiter, myList);	2024-09-04	Deactivate		Edit	Delete
1836	How do you join elements of a vector into a string in C++?	#include std::stringstream ss; for (const auto& element : myVector) { if (&element != &myVector[0]) ss << delimiter; ss << element; } std::string joinedStr = ss.str();	2024-09-04	Deactivate		Edit	Delete
1837	How do you find the average of a list of numbers in Python?	average = sum(my_list) / len(my_list)	2024-09-04	Deactivate		Edit	Delete
1838	How do you find the average of an array of numbers in JavaScript?	let average = myArray.reduce((a, b) => a + b, 0) / myArray.length;	2024-09-04	Deactivate		Edit	Delete
1839	How do you find the average of a list of numbers in Java?	double average = myList.stream().mapToInt(Integer::intValue).average().orElse(0);	2024-09-04	Deactivate		Edit	Delete
1840	How do you find the average of a vector of numbers in C++?	#include double average = std::accumulate(myVector.begin(), myVector.end(), 0.0) / myVector.size();	2024-09-04	Deactivate		Edit	Delete
1841	How do you remove an element from a list in Python?	my_list.remove(value)	2024-09-04	Deactivate		Edit	Delete
1842	How do you remove an element from an array in JavaScript?	let index = myArray.indexOf(value); if (index > -1) { myArray.splice(index, 1); }	2024-09-04	Deactivate		Edit	Delete
1843	How do you remove an element from a list in Java?	myList.remove(value);	2024-09-04	Deactivate		Edit	Delete
1844	How do you remove an element from a vector in C++?	auto it = std::remove(myVector.begin(), myVector.end(), value); myVector.erase(it, myVector.end());	2024-09-04	Deactivate		Edit	Delete
1845	How do you check if a list is empty in Python?	if not my_list:	2024-09-04	Deactivate		Edit	Delete
1846	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1847	How do you check if a list is empty in Java?	if (myList.isEmpty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1848	How do you check if a vector is empty in C++?	if (myVector.empty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
1849	How do you get the first element of a list in Python?	first_element = my_list[0]	2024-09-04	Deactivate		Edit	Delete
1850	How do you get the first element of an array in JavaScript?	let firstElement = myArray[0];	2024-09-04	Deactivate		Edit	Delete
1851	How do you get the first element of a list in Java?	T firstElement = myList.get(0);	2024-09-04	Deactivate		Edit	Delete
1852	How do you get the first element of a vector in C++?	T firstElement = myVector.front();	2024-09-04	Deactivate		Edit	Delete
1853	How do you get the last element of a list in Python?	last_element = my_list[-1]	2024-09-04	Deactivate		Edit	Delete
1854	How do you get the last element of an array in JavaScript?	let lastElement = myArray[myArray.length - 1];	2024-09-04	Deactivate		Edit	Delete
1855	How do you get the last element of a list in Java?	T lastElement = myList.get(myList.size() - 1);	2024-09-04	Deactivate		Edit	Delete
1856	How do you get the last element of a vector in C++?	T lastElement = myVector.back();	2024-09-04	Deactivate		Edit	Delete
1857	How do you check if a value is in a list in Python?	if value in my_list:	2024-09-04	Deactivate		Edit	Delete
1858	How do you check if a value is in an array in JavaScript?	if (myArray.includes(value)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1859	How do you check if a value is in a list in Java?	if (myList.contains(value)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1860	How do you check if a value is in a vector in C++?	if (std::find(myVector.begin(), myVector.end(), value) != myVector.end()) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1861	How do you convert a list of strings to a single string in Python?	joined_str = "".join(my_list)	2024-09-04	Deactivate		Edit	Delete
1862	How do you convert an array of strings to a single string in JavaScript?	let joinedStr = myArray.join("");	2024-09-04	Deactivate		Edit	Delete
1863	How do you convert a list of strings to a single string in Java?	String joinedStr = String.join("", myList);	2024-09-04	Deactivate		Edit	Delete
1864	How do you convert a vector of strings to a single string in C++?	#include std::stringstream ss; for (const auto& element : myVector) { if (&element != &myVector[0]) ss << ""; ss << element; } std::string joinedStr = ss.str();	2024-09-04	Deactivate		Edit	Delete
1865	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
1866	How do you find the maximum value in an array in JavaScript?	let maxValue = Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
1867	How do you find the maximum value in a list in Java?	int maxValue = Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
1868	How do you find the maximum value in a vector in C++?	#include int maxValue = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1869	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1870	How do you reverse an array in JavaScript?	myArray.reverse();	2024-09-04	Deactivate		Edit	Delete
1871	How do you reverse a list in Java?	Collections.reverse(myList);	2024-09-04	Deactivate		Edit	Delete
1872	How do you reverse a vector in C++?	#include std::reverse(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1873	How do you remove duplicates from a list in Python?	my_list = list(set(my_list))	2024-09-04	Deactivate		Edit	Delete
1874	How do you remove duplicates from an array in JavaScript?	myArray = [...new Set(myArray)];	2024-09-04	Deactivate		Edit	Delete
1875	How do you remove duplicates from a list in Java?	List uniqueList = new ArrayList<>(new HashSet<>(myList));	2024-09-04	Deactivate		Edit	Delete
1876	How do you remove duplicates from a vector in C++?	#include #include std::set seen; myVector.erase(std::remove_if(myVector.begin(), myVector.end(), [&seen](const T& value) { return !seen.insert(value).second; }), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1877	How do you sort a list in ascending order in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1878	How do you sort an array in ascending order in JavaScript?	myArray.sort((a, b) => a - b);	2024-09-04	Deactivate		Edit	Delete
1879	How do you sort a list in ascending order in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
1880	How do you sort a vector in ascending order in C++?	#include std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1881	How do you check if a list contains only unique elements in Python?	len(my_list) == len(set(my_list))	2024-09-04	Deactivate		Edit	Delete
1882	How do you check if an array contains only unique elements in JavaScript?	let uniqueArray = [...new Set(myArray)]; let isUnique = uniqueArray.length === myArray.length;	2024-09-04	Deactivate		Edit	Delete
1883	How do you check if a list contains only unique elements in Java?	Set uniqueSet = new HashSet<>(myList); boolean isUnique = uniqueSet.size() == myList.size();	2024-09-04	Deactivate		Edit	Delete
1884	How do you check if a vector contains only unique elements in C++?	std::set uniqueSet(myVector.begin(), myVector.end()); bool isUnique = uniqueSet.size() == myVector.size();	2024-09-04	Deactivate		Edit	Delete
1885	How do you convert a string to an integer in Python?	integer = int(my_str)	2024-09-04	Deactivate		Edit	Delete
1886	How do you convert a string to an integer in JavaScript?	let integer = parseInt(myStr, 10);	2024-09-04	Deactivate		Edit	Delete
1887	How do you convert a string to an integer in Java?	int integer = Integer.parseInt(myStr);	2024-09-04	Deactivate		Edit	Delete
1888	How do you convert a string to an integer in C++?	int integer = std::stoi(myStr);	2024-09-04	Deactivate		Edit	Delete
1889	How do you convert an integer to a string in Python?	my_str = str(integer)	2024-09-04	Deactivate		Edit	Delete
1890	How do you convert an integer to a string in JavaScript?	let myStr = integer.toString();	2024-09-04	Deactivate		Edit	Delete
1891	How do you convert an integer to a string in Java?	String myStr = Integer.toString(integer);	2024-09-04	Deactivate		Edit	Delete
1892	How do you convert an integer to a string in C++?	std::string myStr = std::to_string(integer);	2024-09-04	Deactivate		Edit	Delete
1893	How do you get the length of a string in Python?	length = len(my_str)	2024-09-04	Deactivate		Edit	Delete
1894	How do you get the length of a string in JavaScript?	let length = myStr.length;	2024-09-04	Deactivate		Edit	Delete
1895	How do you get the length of a string in Java?	int length = myStr.length();	2024-09-04	Deactivate		Edit	Delete
1896	How do you get the length of a string in C++?	size_t length = myStr.length();	2024-09-04	Deactivate		Edit	Delete
1897	How do you find the index of an element in a list in Python?	index = my_list.index(value)	2024-09-04	Deactivate		Edit	Delete
1898	How do you find the index of an element in an array in JavaScript?	let index = myArray.indexOf(value);	2024-09-04	Deactivate		Edit	Delete
1899	How do you find the index of an element in a list in Java?	int index = myList.indexOf(value);	2024-09-04	Deactivate		Edit	Delete
1900	How do you find the index of an element in a vector in C++?	auto it = std::find(myVector.begin(), myVector.end(), value); int index = std::distance(myVector.begin(), it);	2024-09-04	Deactivate		Edit	Delete
1901	How do you split a string by a delimiter in Python?	my_list = my_str.split(delimiter)	2024-09-04	Deactivate		Edit	Delete
1902	How do you split a string by a delimiter in JavaScript?	let myArray = myStr.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
1903	How do you split a string by a delimiter in Java?	String[] myArray = myStr.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
1904	How do you split a string by a delimiter in C++?	#include #include std::vector split(const std::string& s, char delimiter) { std::vector tokens; std::stringstream ss(s); std::string token; while (std::getline(ss, token, delimiter)) { tokens.push_back(token); } return tokens; }	2024-09-04	Deactivate		Edit	Delete
1905	How do you join a list of strings into a single string in Python?	joined_str = "".join(my_list)	2024-09-04	Deactivate		Edit	Delete
1906	How do you join an array of strings into a single string in JavaScript?	let joinedStr = myArray.join("");	2024-09-04	Deactivate		Edit	Delete
1907	How do you join a list of strings into a single string in Java?	String joinedStr = String.join("", myList);	2024-09-04	Deactivate		Edit	Delete
1908	How do you join a vector of strings into a single string in C++?	#include std::stringstream ss; for (const auto& element : myVector) { if (&element != &myVector[0]) ss << ""; ss << element; } std::string joinedStr = ss.str();	2024-09-04	Deactivate		Edit	Delete
1909	How do you convert a string to a float in Python?	float_num = float(my_str)	2024-09-04	Deactivate		Edit	Delete
1910	How do you convert a string to a float in JavaScript?	let floatNum = parseFloat(myStr);	2024-09-04	Deactivate		Edit	Delete
1911	How do you convert a string to a float in Java?	float floatNum = Float.parseFloat(myStr);	2024-09-04	Deactivate		Edit	Delete
1912	How do you convert a string to a float in C++?	float floatNum = std::stof(myStr);	2024-09-04	Deactivate		Edit	Delete
1913	How do you check if a string contains a substring in Python?	if substring in my_str:	2024-09-04	Deactivate		Edit	Delete
1914	How do you check if a string contains a substring in JavaScript?	if (myStr.includes(substring)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1915	How do you check if a string contains a substring in Java?	if (myStr.contains(substring)) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1916	How do you check if a string contains a substring in C++?	if (myStr.find(substring) != std::string::npos) { /* found */ }	2024-09-04	Deactivate		Edit	Delete
1917	How do you replace a substring in a string in Python?	my_str = my_str.replace(old, new)	2024-09-04	Deactivate		Edit	Delete
1918	How do you replace a substring in a string in JavaScript?	myStr = myStr.replace(old, new);	2024-09-04	Deactivate		Edit	Delete
1919	How do you replace a substring in a string in Java?	myStr = myStr.replace(old, new);	2024-09-04	Deactivate		Edit	Delete
1920	How do you replace a substring in a string in C++?	std::string::size_type pos = myStr.find(old); if (pos != std::string::npos) { myStr.replace(pos, old.length(), new); }	2024-09-04	Deactivate		Edit	Delete
1921	How do you concatenate two strings in Python?	concatenated_str = str1 + str2	2024-09-04	Deactivate		Edit	Delete
1922	How do you concatenate two strings in JavaScript?	let concatenatedStr = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1923	How do you concatenate two strings in Java?	String concatenatedStr = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1924	How do you concatenate two strings in C++?	std::string concatenatedStr = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
1925	How do you get the first character of a string in Python?	first_char = my_str[0]	2024-09-04	Deactivate		Edit	Delete
1926	How do you get the first character of a string in JavaScript?	let firstChar = myStr[0];	2024-09-04	Deactivate		Edit	Delete
1927	How do you get the first character of a string in Java?	char firstChar = myStr.charAt(0);	2024-09-04	Deactivate		Edit	Delete
1928	How do you get the first character of a string in C++?	char firstChar = myStr[0];	2024-09-04	Deactivate		Edit	Delete
1929	How do you get the last character of a string in Python?	last_char = my_str[-1]	2024-09-04	Deactivate		Edit	Delete
1930	How do you get the last character of a string in JavaScript?	let lastChar = myStr[myStr.length - 1];	2024-09-04	Deactivate		Edit	Delete
1931	How do you get the last character of a string in Java?	char lastChar = myStr.charAt(myStr.length() - 1);	2024-09-04	Deactivate		Edit	Delete
1932	How do you get the last character of a string in C++?	char lastChar = myStr[myStr.length() - 1];	2024-09-04	Deactivate		Edit	Delete
1933	How do you count occurrences of a substring in a string in Python?	count = my_str.count(substring)	2024-09-04	Deactivate		Edit	Delete
1934	How do you count occurrences of a substring in a string in JavaScript?	let count = (myStr.match(new RegExp(substring, "g")) || []).length;	2024-09-04	Deactivate		Edit	Delete
1935	How do you count occurrences of a substring in a string in Java?	int count = (int) myStr.chars().filter(ch -> ch == substring.charAt(0)).count();	2024-09-04	Deactivate		Edit	Delete
1936	How do you count occurrences of a substring in a string in C++?	int count = 0; size_t pos = myStr.find(substring); while (pos != std::string::npos) { count++; pos = myStr.find(substring, pos + 1); }	2024-09-04	Deactivate		Edit	Delete
1937	How do you convert a list of integers to a list of strings in Python?	str_list = list(map(str, int_list))	2024-09-04	Deactivate		Edit	Delete
1938	How do you convert an array of integers to an array of strings in JavaScript?	let strArray = intArray.map(String);	2024-09-04	Deactivate		Edit	Delete
1939	How do you convert a list of integers to a list of strings in Java?	List strList = intList.stream().map(String::valueOf).collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
1940	How do you convert a vector of integers to a vector of strings in C++?	#include #include #include std::vector intToStr(const std::vector& intVec) { std::vector strVec; std::transform(intVec.begin(), intVec.end(), std::back_inserter(strVec), [](int i) { return std::to_string(i); }); return strVec; }	2024-09-04	Deactivate		Edit	Delete
1941	How do you convert a string to an integer in Python?	int_num = int(my_str)	2024-09-04	Deactivate		Edit	Delete
1942	How do you convert a string to an integer in JavaScript?	let intNum = parseInt(myStr);	2024-09-04	Deactivate		Edit	Delete
1943	How do you convert a string to an integer in Java?	int intNum = Integer.parseInt(myStr);	2024-09-04	Deactivate		Edit	Delete
1944	How do you convert a string to an integer in C++?	int intNum = std::stoi(myStr);	2024-09-04	Deactivate		Edit	Delete
1945	How do you get a substring from a string in Python?	substring = my_str[start:end]	2024-09-04	Deactivate		Edit	Delete
1946	How do you get a substring from a string in JavaScript?	let substring = myStr.slice(start, end);	2024-09-04	Deactivate		Edit	Delete
1947	How do you get a substring from a string in Java?	String substring = myStr.substring(start, end);	2024-09-04	Deactivate		Edit	Delete
1948	How do you get a substring from a string in C++?	std::string substring = myStr.substr(start, length);	2024-09-04	Deactivate		Edit	Delete
1949	How do you convert a list of floats to a list of strings in Python?	str_list = list(map(str, float_list))	2024-09-04	Deactivate		Edit	Delete
1950	How do you convert an array of floats to an array of strings in JavaScript?	let strArray = floatArray.map(String);	2024-09-04	Deactivate		Edit	Delete
1951	How do you convert a list of floats to a list of strings in Java?	List strList = floatList.stream().map(String::valueOf).collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
1952	How do you convert a vector of floats to a vector of strings in C++?	#include #include #include std::vector floatToStr(const std::vector& floatVec) { std::vector strVec; std::transform(floatVec.begin(), floatVec.end(), std::back_inserter(strVec), [](float f) { return std::to_string(f); }); return strVec; }	2024-09-04	Deactivate		Edit	Delete
1953	How do you convert a float to a string in Python?	str_num = str(float_num)	2024-09-04	Deactivate		Edit	Delete
1954	How do you convert a float to a string in JavaScript?	let strNum = floatNum.toString();	2024-09-04	Deactivate		Edit	Delete
1955	How do you convert a float to a string in Java?	String strNum = Float.toString(floatNum);	2024-09-04	Deactivate		Edit	Delete
1956	How do you convert a float to a string in C++?	std::string strNum = std::to_string(floatNum);	2024-09-04	Deactivate		Edit	Delete
1957	How do you check if a number is even in Python?	if num % 2 == 0:	2024-09-04	Deactivate		Edit	Delete
1958	How do you check if a number is even in JavaScript?	if (num % 2 === 0) { /* even */ }	2024-09-04	Deactivate		Edit	Delete
1959	How do you check if a number is even in Java?	if (num % 2 == 0) { /* even */ }	2024-09-04	Deactivate		Edit	Delete
1960	How do you check if a number is even in C++?	if (num % 2 == 0) { /* even */ }	2024-09-04	Deactivate		Edit	Delete
1961	How do you get the length of an array in Python?	len(my_list)	2024-09-04	Deactivate		Edit	Delete
1962	How do you get the length of an array in JavaScript?	myArray.length	2024-09-04	Deactivate		Edit	Delete
1963	How do you get the length of an array in Java?	myArray.length	2024-09-04	Deactivate		Edit	Delete
1964	How do you get the length of an array in C++?	int length = sizeof(myArray) / sizeof(myArray[0]);	2024-09-04	Deactivate		Edit	Delete
1965	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
1966	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
1967	How do you sort a list in Java?	Arrays.sort(myArray);	2024-09-04	Deactivate		Edit	Delete
1968	How do you sort a vector in C++?	#include std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1969	How do you append an element to a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
1970	How do you append an element to an array in JavaScript?	myArray.push(element);	2024-09-04	Deactivate		Edit	Delete
1971	How do you add an element to an array in Java?	List.add(element);	2024-09-04	Deactivate		Edit	Delete
1972	How do you add an element to a vector in C++?	myVector.push_back(element);	2024-09-04	Deactivate		Edit	Delete
1973	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
1974	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
1975	How do you remove an element from a list in Java?	myList.remove(element);	2024-09-04	Deactivate		Edit	Delete
1976	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
1977	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
1978	How do you reverse an array in JavaScript?	myArray.reverse();	2024-09-04	Deactivate		Edit	Delete
1979	How do you reverse a list in Java?	Collections.reverse(myList);	2024-09-04	Deactivate		Edit	Delete
1980	How do you reverse a vector in C++?	#include std::reverse(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1981	How do you find the maximum value in a list in Python?	max(my_list)	2024-09-04	Deactivate		Edit	Delete
1982	How do you find the maximum value in an array in JavaScript?	Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
1983	How do you find the maximum value in a list in Java?	Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
1984	How do you find the maximum value in a vector in C++?	#include int maxVal = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1985	How do you find the minimum value in a list in Python?	min(my_list)	2024-09-04	Deactivate		Edit	Delete
1986	How do you find the minimum value in an array in JavaScript?	Math.min(...myArray);	2024-09-04	Deactivate		Edit	Delete
1987	How do you find the minimum value in a list in Java?	Collections.min(myList);	2024-09-04	Deactivate		Edit	Delete
1988	How do you find the minimum value in a vector in C++?	#include int minVal = *std::min_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
1989	How do you join a list of strings into a single string in Python?	'.join(my_list)	2024-09-04	Deactivate		Edit	Delete
1990	How do you join an array of strings into a single string in JavaScript?	myArray.join(", ");	2024-09-04	Deactivate		Edit	Delete
1991	How do you join a list of strings into a single string in Java?	String result = String.join(", ", myList);	2024-09-04	Deactivate		Edit	Delete
1992	How do you join a vector of strings into a single string in C++?	#include std::string join(const std::vector& vec, const std::string& delimiter) { std::ostringstream os; for (size_t i = 0; i < vec.size(); ++i) { if (i > 0) os << delimiter; os << vec[i]; } return os.str(); }	2024-09-04	Deactivate		Edit	Delete
1993	How do you check if a string contains a substring in Python?	if substring in my_str:	2024-09-04	Deactivate		Edit	Delete
1994	How do you check if a string contains a substring in JavaScript?	if (myStr.includes(substring)) { /* contains */ }	2024-09-04	Deactivate		Edit	Delete
1995	How do you check if a string contains a substring in Java?	if (myStr.contains(substring)) { /* contains */ }	2024-09-04	Deactivate		Edit	Delete
1996	How do you check if a string contains a substring in C++?	bool contains = myStr.find(substring) != std::string::npos;	2024-09-04	Deactivate		Edit	Delete
1997	How do you convert a string to lowercase in Python?	my_str.lower()	2024-09-04	Deactivate		Edit	Delete
1998	How do you convert a string to lowercase in JavaScript?	myStr.toLowerCase()	2024-09-04	Deactivate		Edit	Delete
1999	How do you convert a string to lowercase in Java?	myStr.toLowerCase()	2024-09-04	Deactivate		Edit	Delete
2000	How do you convert a string to lowercase in C++?	#include #include std::string toLowerCase(const std::string& str) { std::string result = str; std::transform(result.begin(), result.end(), result.begin(), [](unsigned char c) { return std::tolower(c); }); return result; }	2024-09-04	Deactivate		Edit	Delete
2001	How do you convert a string to uppercase in Python?	my_str.upper()	2024-09-04	Deactivate		Edit	Delete
2002	How do you convert a string to uppercase in JavaScript?	myStr.toUpperCase()	2024-09-04	Deactivate		Edit	Delete
2003	How do you convert a string to uppercase in Java?	myStr.toUpperCase()	2024-09-04	Deactivate		Edit	Delete
2004	How do you convert a string to uppercase in C++?	#include #include std::string toUpperCase(const std::string& str) { std::string result = str; std::transform(result.begin(), result.end(), result.begin(), [](unsigned char c) { return std::toupper(c); }); return result; }	2024-09-04	Deactivate		Edit	Delete
2005	How do you split a string into a list of substrings in Python?	my_list = my_str.split(delimiter)	2024-09-04	Deactivate		Edit	Delete
2006	How do you split a string into an array of substrings in JavaScript?	let substrings = myStr.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
2007	How do you split a string into a list of substrings in Java?	String[] substrings = myStr.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
2008	How do you split a string into a vector of substrings in C++?	#include #include std::vector split(const std::string& str, char delimiter) { std::vector tokens; std::stringstream ss(str); std::string token; while (std::getline(ss, token, delimiter)) { tokens.push_back(token); } return tokens; }	2024-09-04	Deactivate		Edit	Delete
2009	How do you check if a string is empty in Python?	if not my_str:	2024-09-04	Deactivate		Edit	Delete
2010	How do you check if a string is empty in JavaScript?	if (myStr === "") { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
2011	How do you check if a string is empty in Java?	if (myStr.isEmpty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
2012	How do you check if a string is empty in C++?	bool isEmpty = myStr.empty();	2024-09-04	Deactivate		Edit	Delete
2013	How do you get the first character of a string in Python?	my_str[0]	2024-09-04	Deactivate		Edit	Delete
2014	How do you get the first character of a string in JavaScript?	myStr.charAt(0)	2024-09-04	Deactivate		Edit	Delete
2015	How do you get the first character of a string in Java?	myStr.charAt(0)	2024-09-04	Deactivate		Edit	Delete
2016	How do you get the first character of a string in C++?	char firstChar = myStr[0];	2024-09-04	Deactivate		Edit	Delete
2017	How do you get the last character of a string in Python?	my_str[-1]	2024-09-04	Deactivate		Edit	Delete
2018	How do you get the last character of a string in JavaScript?	myStr.charAt(myStr.length - 1)	2024-09-04	Deactivate		Edit	Delete
2019	How do you get the last character of a string in Java?	myStr.charAt(myStr.length() - 1)	2024-09-04	Deactivate		Edit	Delete
2020	How do you get the last character of a string in C++?	char lastChar = myStr[myStr.size() - 1];	2024-09-04	Deactivate		Edit	Delete
2021	How do you concatenate two strings in Python?	my_str1 + my_str2	2024-09-04	Deactivate		Edit	Delete
2022	How do you concatenate two strings in JavaScript?	myStr1 + myStr2	2024-09-04	Deactivate		Edit	Delete
2023	How do you concatenate two strings in Java?	myStr1.concat(myStr2)	2024-09-04	Deactivate		Edit	Delete
2024	How do you concatenate two strings in C++?	std::string result = myStr1 + myStr2;	2024-09-04	Deactivate		Edit	Delete
2025	How do you find the index of a substring in Python?	my_str.find(substring)	2024-09-04	Deactivate		Edit	Delete
2026	How do you find the index of a substring in JavaScript?	myStr.indexOf(substring)	2024-09-04	Deactivate		Edit	Delete
2027	How do you find the index of a substring in Java?	myStr.indexOf(substring)	2024-09-04	Deactivate		Edit	Delete
2028	How do you find the index of a substring in C++?	size_t index = myStr.find(substring);	2024-09-04	Deactivate		Edit	Delete
2029	How do you replace a substring in Python?	my_str.replace(old, new)	2024-09-04	Deactivate		Edit	Delete
2030	How do you replace a substring in JavaScript?	myStr.replace(old, new)	2024-09-04	Deactivate		Edit	Delete
2031	How do you replace a substring in Java?	myStr.replace(old, new)	2024-09-04	Deactivate		Edit	Delete
2032	How do you replace a substring in C++?	#include std::string replaceAll(std::string str, const std::string& from, const std::string& to) { size_t start_pos = 0; while ((start_pos = str.find(from, start_pos)) != std::string::npos) { str.replace(start_pos, from.length(), to); start_pos += to.length(); } return str; }	2024-09-04	Deactivate		Edit	Delete
2033	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
2034	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2035	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2036	How do you handle exceptions in C++?	#include try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2037	How do you read a file in Python?	with open(filename, "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2038	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile(filename, "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2039	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get(filename)));	2024-09-04	Deactivate		Edit	Delete
2040	How do you read a file in C++?	#include #include std::string readFile(const std::string& filename) { std::ifstream file(filename); std::string content((std::istreambuf_iterator(file)), std::istreambuf_iterator()); return content; }	2024-09-04	Deactivate		Edit	Delete
2041	How do you write to a file in Python?	with open(filename, "w") as file: file.write(content)	2024-09-04	Deactivate		Edit	Delete
2042	How do you write to a file in JavaScript?	const fs = require("fs"); fs.writeFile(filename, content, "utf8", (err) => { if (err) throw err; console.log("File has been saved!"); });	2024-09-04	Deactivate		Edit	Delete
2043	How do you write to a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; Files.write(Paths.get(filename), content.getBytes());	2024-09-04	Deactivate		Edit	Delete
2044	How do you write to a file in C++?	#include #include void writeFile(const std::string& filename, const std::string& content) { std::ofstream file(filename); file << content; }	2024-09-04	Deactivate		Edit	Delete
2045	How do you remove whitespace from the beginning and end of a string in Python?	my_str.strip()	2024-09-04	Deactivate		Edit	Delete
2046	How do you remove whitespace from the beginning and end of a string in JavaScript?	myStr.trim()	2024-09-04	Deactivate		Edit	Delete
2047	How do you remove whitespace from the beginning and end of a string in Java?	myStr.trim()	2024-09-04	Deactivate		Edit	Delete
2048	How do you remove whitespace from the beginning and end of a string in C++?	#include #include std::string trim(const std::string& str) { std::string result = str; result.erase(result.begin(), std::find_if_not(result.begin(), result.end(), [](unsigned char c) { return std::isspace(c); })); result.erase(std::find_if_not(result.rbegin(), result.rend(), [](unsigned char c) { return std::isspace(c); }).base(), result.end()); return result; }	2024-09-04	Deactivate		Edit	Delete
2049	How do you get the length of a string in Python?	len(my_str)	2024-09-04	Deactivate		Edit	Delete
2050	How do you get the length of a string in JavaScript?	myStr.length	2024-09-04	Deactivate		Edit	Delete
2051	How do you get the length of a string in Java?	myStr.length()	2024-09-04	Deactivate		Edit	Delete
2052	How do you get the length of a string in C++?	size_t length = myStr.size();	2024-09-04	Deactivate		Edit	Delete
2053	How do you check if a list is empty in Python?	if not my_list:	2024-09-04	Deactivate		Edit	Delete
2054	How do you check if a list is empty in JavaScript?	if (myList.length === 0) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
2055	How do you check if a list is empty in Java?	if (myList.isEmpty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
2056	How do you check if a vector is empty in C++?	if (myVector.empty()) { /* empty */ }	2024-09-04	Deactivate		Edit	Delete
2057	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2058	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
2059	How do you sort a list in Java?	Collections.sort(myList)	2024-09-04	Deactivate		Edit	Delete
2060	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end())	2024-09-04	Deactivate		Edit	Delete
2061	How do you reverse a string in Python?	my_str[::-1]	2024-09-04	Deactivate		Edit	Delete
2062	How do you reverse a string in JavaScript?	myStr.split("").reverse().join("")	2024-09-04	Deactivate		Edit	Delete
2063	How do you reverse a string in Java?	new StringBuilder(myStr).reverse().toString()	2024-09-04	Deactivate		Edit	Delete
2064	How do you reverse a string in C++?	std::reverse(myStr.begin(), myStr.end())	2024-09-04	Deactivate		Edit	Delete
2065	How do you remove duplicates from a list in Python?	my_list = list(set(my_list))	2024-09-04	Deactivate		Edit	Delete
2066	How do you remove duplicates from an array in JavaScript?	myArray = [...new Set(myArray)]	2024-09-04	Deactivate		Edit	Delete
2067	How do you remove duplicates from a list in Java?	myList = new ArrayList<>(new HashSet<>(myList))	2024-09-04	Deactivate		Edit	Delete
2068	How do you remove duplicates from a vector in C++?	std::sort(myVector.begin(), myVector.end()); myVector.erase(std::unique(myVector.begin(), myVector.end()), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2069	How do you check if a number is even in Python?	if num % 2 == 0:	2024-09-04	Deactivate		Edit	Delete
2070	How do you check if a number is even in JavaScript?	if (num % 2 === 0) { /* even */ }	2024-09-04	Deactivate		Edit	Delete
2071	How do you check if a number is even in Java?	if (num % 2 == 0) { /* even */ }	2024-09-04	Deactivate		Edit	Delete
2072	How do you check if a number is even in C++?	if (num % 2 == 0) { /* even */ }	2024-09-04	Deactivate		Edit	Delete
2073	How do you find the factorial of a number in Python?	import math result = math.factorial(n)	2024-09-04	Deactivate		Edit	Delete
2074	How do you find the factorial of a number in JavaScript?	function factorial(n) { if (n === 0) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
2075	How do you find the factorial of a number in Java?	int factorial(int n) { if (n == 0) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
2076	How do you find the factorial of a number in C++?	int factorial(int n) { if (n == 0) return 1; return n * factorial(n - 1); }	2024-09-04	Deactivate		Edit	Delete
2077	How do you find the greatest common divisor (GCD) in Python?	import math gcd = math.gcd(a, b)	2024-09-04	Deactivate		Edit	Delete
2078	How do you find the greatest common divisor (GCD) in JavaScript?	function gcd(a, b) { if (b === 0) return a; return gcd(b, a % b); }	2024-09-04	Deactivate		Edit	Delete
2079	How do you find the greatest common divisor (GCD) in Java?	int gcd(int a, int b) { if (b == 0) return a; return gcd(b, a % b); }	2024-09-04	Deactivate		Edit	Delete
2080	How do you find the greatest common divisor (GCD) in C++?	int gcd(int a, int b) { if (b == 0) return a; return gcd(b, a % b); }	2024-09-04	Deactivate		Edit	Delete
2081	How do you swap two variables in Python?	a, b = b, a	2024-09-04	Deactivate		Edit	Delete
2082	How do you swap two variables in JavaScript?	[a, b] = [b, a]	2024-09-04	Deactivate		Edit	Delete
2083	How do you swap two variables in Java?	int temp = a; a = b; b = temp;	2024-09-04	Deactivate		Edit	Delete
2084	How do you swap two variables in C++?	int temp = a; a = b; b = temp;	2024-09-04	Deactivate		Edit	Delete
2085	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
2086	How do you reverse an array in JavaScript?	myArray.reverse()	2024-09-04	Deactivate		Edit	Delete
2087	How do you reverse a list in Java?	Collections.reverse(myList)	2024-09-04	Deactivate		Edit	Delete
2088	How do you declare a variable in Python?	variable_name = value	2024-09-04	Deactivate		Edit	Delete
2089	How do you declare a variable in JavaScript?	let variableName = value;	2024-09-04	Deactivate		Edit	Delete
2090	How do you declare a variable in Java?	int x = 5;	2024-09-04	Deactivate		Edit	Delete
2091	How do you declare a variable in C++?	int x = 10;	2024-09-04	Deactivate		Edit	Delete
2092	How do you create a function in Python?	def function_name():	2024-09-04	Deactivate		Edit	Delete
2093	How do you create a function in JavaScript?	function functionName() {}	2024-09-04	Deactivate		Edit	Delete
2094	How do you create a function in Java?	public void functionName() {}	2024-09-04	Deactivate		Edit	Delete
2095	How do you create a function in C++?	void functionName() {}	2024-09-04	Deactivate		Edit	Delete
2096	How do you loop through a list in Python?	for item in my_list:	2024-09-04	Deactivate		Edit	Delete
2097	How do you loop through an array in JavaScript?	for (let i = 0; i < myArray.length; i++) {}	2024-09-04	Deactivate		Edit	Delete
2098	How do you loop through a list in Java?	for (int i = 0; i < myList.size(); i++) {}	2024-09-04	Deactivate		Edit	Delete
2099	How do you loop through a vector in C++?	for (int i = 0; i < myVector.size(); i++) {}	2024-09-04	Deactivate		Edit	Delete
2100	How do you add an element to a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
2101	How do you add an element to an array in JavaScript?	myArray.push(element)	2024-09-04	Deactivate		Edit	Delete
2102	How do you add an element to a list in Java?	myList.add(element)	2024-09-04	Deactivate		Edit	Delete
2103	How do you add an element to a vector in C++?	myVector.push_back(element)	2024-09-04	Deactivate		Edit	Delete
2104	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
2105	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1)	2024-09-04	Deactivate		Edit	Delete
2106	How do you remove an element from a list in Java?	myList.remove(index)	2024-09-04	Deactivate		Edit	Delete
2107	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index)	2024-09-04	Deactivate		Edit	Delete
2108	How do you find the length of a list in Python?	len(my_list)	2024-09-04	Deactivate		Edit	Delete
2109	How do you find the length of an array in JavaScript?	myArray.length	2024-09-04	Deactivate		Edit	Delete
2110	How do you find the length of a list in Java?	myList.size()	2024-09-04	Deactivate		Edit	Delete
2111	How do you find the length of a vector in C++?	myVector.size()	2024-09-04	Deactivate		Edit	Delete
2112	How do you concatenate two lists in Python?	list1 + list2	2024-09-04	Deactivate		Edit	Delete
2113	How do you concatenate two arrays in JavaScript?	myArray1.concat(myArray2)	2024-09-04	Deactivate		Edit	Delete
2114	How do you concatenate two lists in Java?	myList.addAll(anotherList)	2024-09-04	Deactivate		Edit	Delete
2115	How do you concatenate two vectors in C++?	myVector.insert(myVector.end(), anotherVector.begin(), anotherVector.end())	2024-09-04	Deactivate		Edit	Delete
2116	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-04	Deactivate		Edit	Delete
2117	How do you create an object in JavaScript?	let obj = {key: "value"};	2024-09-04	Deactivate		Edit	Delete
2118	How do you create a map in Java?	Map map = new HashMap<>()	2024-09-04	Deactivate		Edit	Delete
2119	How do you create a map in C++?	std::map myMap;	2024-09-04	Deactivate		Edit	Delete
2120	How do you access a value in a dictionary in Python?	my_dict["key"]	2024-09-04	Deactivate		Edit	Delete
2121	How do you access a value in an object in JavaScript?	obj.key	2024-09-04	Deactivate		Edit	Delete
2122	How do you access a value in a map in Java?	map.get("key")	2024-09-04	Deactivate		Edit	Delete
2123	How do you access a value in a map in C++?	myMap[key]	2024-09-04	Deactivate		Edit	Delete
2124	How do you check if a list contains an element in Python?	if element in my_list:	2024-09-04	Deactivate		Edit	Delete
2125	How do you check if an array contains an element in JavaScript?	if (myArray.includes(element)) {}	2024-09-04	Deactivate		Edit	Delete
2126	How do you check if a list contains an element in Java?	if (myList.contains(element)) {}	2024-09-04	Deactivate		Edit	Delete
2127	How do you check if a vector contains an element in C++?	if (std::find(myVector.begin(), myVector.end(), element) != myVector.end()) {}	2024-09-04	Deactivate		Edit	Delete
2128	How do you convert a string to an integer in Python?	int_value = int(string_value)	2024-09-04	Deactivate		Edit	Delete
2129	How do you convert a string to an integer in JavaScript?	let intValue = parseInt(stringValue);	2024-09-04	Deactivate		Edit	Delete
2130	How do you convert a string to an integer in Java?	int intValue = Integer.parseInt(stringValue);	2024-09-04	Deactivate		Edit	Delete
2131	How do you convert a string to an integer in C++?	int intValue = std::stoi(stringValue);	2024-09-04	Deactivate		Edit	Delete
2132	How do you convert an integer to a string in Python?	string_value = str(int_value)	2024-09-04	Deactivate		Edit	Delete
2133	How do you convert an integer to a string in JavaScript?	let stringValue = intValue.toString();	2024-09-04	Deactivate		Edit	Delete
2134	How do you convert an integer to a string in Java?	String stringValue = Integer.toString(intValue);	2024-09-04	Deactivate		Edit	Delete
2135	How do you convert an integer to a string in C++?	std::string stringValue = std::to_string(intValue);	2024-09-04	Deactivate		Edit	Delete
2136	How do you reverse a string in Python?	reversed_string = string[::-1]	2024-09-04	Deactivate		Edit	Delete
2137	How do you reverse a string in JavaScript?	let reversedString = string.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
2138	How do you reverse a string in Java?	String reversedString = new StringBuilder(string).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
2139	How do you reverse a string in C++?	std::reverse(string.begin(), string.end());	2024-09-04	Deactivate		Edit	Delete
2140	How do you sort a list in Python?	sorted_list = sorted(my_list)	2024-09-04	Deactivate		Edit	Delete
2141	How do you sort an array in JavaScript?	myArray.sort();	2024-09-04	Deactivate		Edit	Delete
2142	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
2143	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2144	How do you create a class in Python?	class MyClass: def __init__(self):	2024-09-04	Deactivate		Edit	Delete
2145	How do you create a class in JavaScript?	class MyClass { constructor() {}	2024-09-04	Deactivate		Edit	Delete
2146	How do you create a class in Java?	public class MyClass { public MyClass() {}	2024-09-04	Deactivate		Edit	Delete
2147	How do you create a class in C++?	class MyClass { public: MyClass() {}	2024-09-04	Deactivate		Edit	Delete
2148	How do you handle exceptions in Python?	try: # code except Exception as e:	2024-09-04	Deactivate		Edit	Delete
2149	How do you handle exceptions in JavaScript?	try { // code } catch (e) {}	2024-09-04	Deactivate		Edit	Delete
2150	How do you handle exceptions in Java?	try { // code } catch (Exception e) {}	2024-09-04	Deactivate		Edit	Delete
2151	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) {}	2024-09-04	Deactivate		Edit	Delete
2152	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
2153	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
2154	How do you remove an element from a list in Java?	myList.remove(index);	2024-09-04	Deactivate		Edit	Delete
2155	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
2156	How do you write a for loop in Python?	for i in range(5): print(i)	2024-09-04	Deactivate		Edit	Delete
2157	How do you write a for loop in JavaScript?	for (let i = 0; i < 5; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2158	How do you write a for loop in Java?	for (int i = 0; i < 5; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2159	How do you write a for loop in C++?	for (int i = 0; i < 5; i++) { std::cout << i; }	2024-09-04	Deactivate		Edit	Delete
2160	How do you write a while loop in Python?	while condition: # code	2024-09-04	Deactivate		Edit	Delete
2161	How do you write a while loop in JavaScript?	while (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
2162	How do you write a while loop in Java?	while (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
2163	How do you write a while loop in C++?	while (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
2164	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
2165	How do you find the length of an array in JavaScript?	let length = myArray.length;	2024-09-04	Deactivate		Edit	Delete
2166	How do you find the length of a list in Java?	int length = myList.size();	2024-09-04	Deactivate		Edit	Delete
2167	How do you find the length of a vector in C++?	int length = myVector.size();	2024-09-04	Deactivate		Edit	Delete
2168	How do you declare a variable in Python?	variable_name = value	2024-09-04	Deactivate		Edit	Delete
2169	How do you declare a variable in JavaScript?	let variableName = value;	2024-09-04	Deactivate		Edit	Delete
2170	How do you declare a variable in Java?	int variableName = value;	2024-09-04	Deactivate		Edit	Delete
2171	How do you declare a variable in C++?	int variableName = value;	2024-09-04	Deactivate		Edit	Delete
2172	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2173	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2174	How do you create an ArrayList in Java?	ArrayList myList = new ArrayList<>();	2024-09-04	Deactivate		Edit	Delete
2175	How do you create a vector in C++?	std::vector myVector = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2176	How do you define a function in Python?	def my_function(): pass	2024-09-04	Deactivate		Edit	Delete
2177	How do you define a function in JavaScript?	function myFunction() {}	2024-09-04	Deactivate		Edit	Delete
2178	How do you define a method in Java?	public void myMethod() {}	2024-09-04	Deactivate		Edit	Delete
2179	How do you define a function in C++?	void myFunction() {}	2024-09-04	Deactivate		Edit	Delete
2180	How do you return a value from a function in Python?	def my_function(): return value	2024-09-04	Deactivate		Edit	Delete
2181	How do you return a value from a function in JavaScript?	function myFunction() { return value;}	2024-09-04	Deactivate		Edit	Delete
2182	How do you return a value from a method in Java?	public int myMethod() { return value;}	2024-09-04	Deactivate		Edit	Delete
2183	How do you return a value from a function in C++?	int myFunction() { return value;}	2024-09-04	Deactivate		Edit	Delete
2184	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-04	Deactivate		Edit	Delete
2185	How do you create an object in JavaScript?	let myObject = {key: "value"};	2024-09-04	Deactivate		Edit	Delete
2186	How do you create a map in Java?	Map myMap = new HashMap<>();	2024-09-04	Deactivate		Edit	Delete
2187	How do you create an unordered_map in C++?	std::unordered_map myMap;	2024-09-04	Deactivate		Edit	Delete
2188	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
2189	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2190	How do you concatenate strings in Java?	String result = str1.concat(str2);	2024-09-04	Deactivate		Edit	Delete
2191	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2192	How do you find the maximum element in a list in Python?	max_element = max(my_list)	2024-09-04	Deactivate		Edit	Delete
2193	How do you find the maximum element in an array in JavaScript?	let maxElement = Math.max(...myArray);	2024-09-04	Deactivate		Edit	Delete
2194	How do you find the maximum element in a list in Java?	int maxElement = Collections.max(myList);	2024-09-04	Deactivate		Edit	Delete
2195	How do you find the maximum element in a vector in C++?	int maxElement = *std::max_element(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2196	How do you read a file in Python?	with open("filename.txt", "r") as file: data = file.read()	2024-09-04	Deactivate		Edit	Delete
2197	How do you read a file in JavaScript?	let fs = require("fs"); fs.readFile("filename.txt", "utf8", function(err, data) { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2198	How do you read a file in Java?	BufferedReader reader = new BufferedReader(new FileReader("filename.txt")); String line = reader.readLine();	2024-09-04	Deactivate		Edit	Delete
2199	How do you read a file in C++?	std::ifstream file("filename.txt"); std::string line; while (std::getline(file, line)) { // process line }	2024-09-04	Deactivate		Edit	Delete
2200	How do you write a loop in Python?	for i in range(5): print(i)	2024-09-04	Deactivate		Edit	Delete
2201	How do you write a loop in JavaScript?	for (let i = 0; i < 5; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2202	How do you write a loop in Java?	for (int i = 0; i < 5; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2203	How do you write a loop in C++?	for (int i = 0; i < 5; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2204	How do you handle exceptions in Python?	try: # Code that might raise an exception except ExceptionType: # Handle exception	2024-09-04	Deactivate		Edit	Delete
2205	How do you handle exceptions in JavaScript?	try { // Code that might raise an exception } catch (error) { // Handle exception }	2024-09-04	Deactivate		Edit	Delete
2206	How do you handle exceptions in Java?	try { // Code that might raise an exception } catch (Exception e) { // Handle exception }	2024-09-04	Deactivate		Edit	Delete
2207	How do you handle exceptions in C++?	try { // Code that might throw an exception } catch (const std::exception& e) { // Handle exception }	2024-09-04	Deactivate		Edit	Delete
2208	How do you create a class in Python?	class MyClass: def __init__(self): pass	2024-09-04	Deactivate		Edit	Delete
2209	How do you create a class in JavaScript?	class MyClass { constructor() {} }	2024-09-04	Deactivate		Edit	Delete
2210	How do you create a class in Java?	class MyClass { public MyClass() {} }	2024-09-04	Deactivate		Edit	Delete
2211	How do you create a class in C++?	class MyClass { public: MyClass() {} };	2024-09-04	Deactivate		Edit	Delete
2212	How do you create a Lambda function in Python?	lambda_function = lambda x: x * 2	2024-09-04	Deactivate		Edit	Delete
2213	How do you create an arrow function in JavaScript?	const arrowFunction = (x) => x * 2;	2024-09-04	Deactivate		Edit	Delete
2214	How do you create a thread in Java?	Thread thread = new Thread(() -> { // Code to run in the thread }); thread.start();	2024-09-04	Deactivate		Edit	Delete
2215	How do you create a thread in C++?	std::thread myThread([](){ // Code to run in the thread }); myThread.join();	2024-09-04	Deactivate		Edit	Delete
2216	How do you create a module in Python?	# mymodule.py def my_function(): pass	2024-09-04	Deactivate		Edit	Delete
2217	How do you import a module in Python?	import mymodule mymodule.my_function()	2024-09-04	Deactivate		Edit	Delete
2218	How do you import a module in JavaScript?	import {myFunction} from "./myModule.js"; myFunction();	2024-09-04	Deactivate		Edit	Delete
2219	How do you read user input in Python?	user_input = input("Enter something: ")	2024-09-04	Deactivate		Edit	Delete
2220	How do you read user input in Java?	Scanner scanner = new Scanner(System.in); String input = scanner.nextLine();	2024-09-04	Deactivate		Edit	Delete
2221	How do you read user input in C++?	std::string input; std::cin >> input;	2024-09-04	Deactivate		Edit	Delete
2222	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2223	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
2224	How do you sort a list in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
2225	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2226	How do you concatenate strings in Python?	result = "Hello " + "World"	2024-09-04	Deactivate		Edit	Delete
2227	How do you concatenate strings in JavaScript?	let result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
2228	How do you convert a string to an integer in Python?	int("123")	2024-09-04	Deactivate		Edit	Delete
2229	How do you convert a string to a number in JavaScript?	Number("123")	2024-09-04	Deactivate		Edit	Delete
2230	How do you convert a string to an integer in Java?	Integer.parseInt("123")	2024-09-04	Deactivate		Edit	Delete
2231	How do you convert a string to an integer in C++?	int num = std::stoi("123");	2024-09-04	Deactivate		Edit	Delete
2232	How do you create a function in Python?	def my_function(): pass	2024-09-04	Deactivate		Edit	Delete
2233	How do you create a function in JavaScript?	function myFunction() { // code }	2024-09-04	Deactivate		Edit	Delete
2234	How do you create a function in Java?	public void myFunction() { // code }	2024-09-04	Deactivate		Edit	Delete
2235	How do you create a function in C++?	void myFunction() { // code }	2024-09-04	Deactivate		Edit	Delete
2236	How do you pass arguments to a function in Python?	def my_function(arg1, arg2): pass	2024-09-04	Deactivate		Edit	Delete
2237	How do you pass arguments to a function in JavaScript?	function myFunction(arg1, arg2) { // code }	2024-09-04	Deactivate		Edit	Delete
2238	How do you pass arguments to a function in Java?	public void myFunction(int arg1, String arg2) { // code }	2024-09-04	Deactivate		Edit	Delete
2239	How do you pass arguments to a function in C++?	void myFunction(int arg1, std::string arg2) { // code }	2024-09-04	Deactivate		Edit	Delete
2240	How do you return a value from a function in Python?	def my_function(): return 42	2024-09-04	Deactivate		Edit	Delete
2241	How do you return a value from a function in JavaScript?	function myFunction() { return 42; }	2024-09-04	Deactivate		Edit	Delete
2242	How do you return a value from a method in Java?	public int myMethod() { return 42; }	2024-09-04	Deactivate		Edit	Delete
2243	How do you return a value from a function in C++?	int myFunction() { return 42; }	2024-09-04	Deactivate		Edit	Delete
2244	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2245	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2246	How do you create an ArrayList in Java?	ArrayList myList = new ArrayList<>();	2024-09-04	Deactivate		Edit	Delete
2247	How do you create a vector in C++?	std::vector myVector;	2024-09-04	Deactivate		Edit	Delete
2248	How do you append an item to a list in Python?	my_list.append(4)	2024-09-04	Deactivate		Edit	Delete
2249	How do you append an item to an array in JavaScript?	myArray.push(4);	2024-09-04	Deactivate		Edit	Delete
2250	How do you add an item to an ArrayList in Java?	myList.add(4);	2024-09-04	Deactivate		Edit	Delete
2251	How do you add an item to a vector in C++?	myVector.push_back(4);	2024-09-04	Deactivate		Edit	Delete
2252	How do you remove an item from a list in Python?	my_list.remove(2)	2024-09-04	Deactivate		Edit	Delete
2253	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
2254	How do you remove an item from an ArrayList in Java?	myList.remove(Integer.valueOf(2));	2024-09-04	Deactivate		Edit	Delete
2255	How do you remove an item from a vector in C++?	myVector.erase(std::remove(myVector.begin(), myVector.end(), 2), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2256	How do you find the length of a list in Python?	len(my_list)	2024-09-04	Deactivate		Edit	Delete
2257	How do you find the length of an array in JavaScript?	myArray.length	2024-09-04	Deactivate		Edit	Delete
2258	How do you find the size of an ArrayList in Java?	myList.size()	2024-09-04	Deactivate		Edit	Delete
2259	How do you find the size of a vector in C++?	myVector.size()	2024-09-04	Deactivate		Edit	Delete
2260	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2261	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
2262	How do you sort an ArrayList in Java?	Collections.sort(myList);	2024-09-04	Deactivate		Edit	Delete
2263	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2264	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-04	Deactivate		Edit	Delete
2265	How do you create an object in JavaScript?	let myObj = { key: "value" };	2024-09-04	Deactivate		Edit	Delete
2266	How do you create a HashMap in Java?	HashMap myMap = new HashMap<>();	2024-09-04	Deactivate		Edit	Delete
2267	How do you create a map in C++?	std::map myMap;	2024-09-04	Deactivate		Edit	Delete
2268	How do you add an item to a dictionary in Python?	my_dict["new_key"] = "new_value"	2024-09-04	Deactivate		Edit	Delete
2269	How do you add a property to an object in JavaScript?	myObj.newKey = "newValue";	2024-09-04	Deactivate		Edit	Delete
2270	How do you add an entry to a HashMap in Java?	myMap.put("newKey", "newValue");	2024-09-04	Deactivate		Edit	Delete
2271	How do you add an entry to a map in C++?	myMap["newKey"] = "newValue";	2024-09-04	Deactivate		Edit	Delete
2272	How do you access a value from a dictionary in Python?	value = my_dict["key"]	2024-09-04	Deactivate		Edit	Delete
2273	How do you access a property from an object in JavaScript?	let value = myObj.key;	2024-09-04	Deactivate		Edit	Delete
2274	How do you get a value from a HashMap in Java?	String value = myMap.get("key");	2024-09-04	Deactivate		Edit	Delete
2275	How do you get a value from a map in C++?	std::string value = myMap["key"];	2024-09-04	Deactivate		Edit	Delete
2276	How do you handle exceptions in Python?	try: # code except Exception as e: # handle error	2024-09-04	Deactivate		Edit	Delete
2277	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle error }	2024-09-04	Deactivate		Edit	Delete
2278	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle error }	2024-09-04	Deactivate		Edit	Delete
2279	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle error }	2024-09-04	Deactivate		Edit	Delete
2280	How do you perform integer division in Python?	result = 7 // 3	2024-09-04	Deactivate		Edit	Delete
2281	How do you perform integer division in JavaScript?	let result = Math.floor(7 / 3);	2024-09-04	Deactivate		Edit	Delete
2282	How do you perform integer division in Java?	int result = 7 / 3;	2024-09-04	Deactivate		Edit	Delete
2283	How do you perform integer division in C++?	int result = 7 / 3;	2024-09-04	Deactivate		Edit	Delete
2284	How do you create a loop in Python?	for i in range(5): print(i)	2024-09-04	Deactivate		Edit	Delete
2285	How do you create a loop in JavaScript?	for (let i = 0; i < 5; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2286	How do you create a loop in Java?	for (int i = 0; i < 5; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2287	How do you create a loop in C++?	for (int i = 0; i < 5; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2288	How do you check if a number is even in Python?	if num % 2 == 0: print("Even")	2024-09-04	Deactivate		Edit	Delete
2289	How do you check if a number is even in JavaScript?	if (num % 2 === 0) { console.log("Even"); }	2024-09-04	Deactivate		Edit	Delete
2290	How do you check if a number is even in Java?	if (num % 2 == 0) { System.out.println("Even"); }	2024-09-04	Deactivate		Edit	Delete
2291	How do you check if a number is even in C++?	if (num % 2 == 0) { std::cout << "Even" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2292	How do you concatenate strings in Python?	result = "Hello " + "World"	2024-09-04	Deactivate		Edit	Delete
2293	How do you concatenate strings in JavaScript?	let result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
2294	How do you concatenate strings in Java?	String result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
2295	How do you concatenate strings in C++?	std::string result = "Hello " + "World";	2024-09-04	Deactivate		Edit	Delete
2296	How do you read user input in Python?	input("Enter something: ")	2024-09-04	Deactivate		Edit	Delete
2297	How do you read user input in JavaScript?	let input = prompt("Enter something:");	2024-09-04	Deactivate		Edit	Delete
2298	How do you read user input in Java?	Scanner scanner = new Scanner(System.in); String input = scanner.nextLine();	2024-09-04	Deactivate		Edit	Delete
2299	How do you read user input in C++?	std::string input; std::cin >> input;	2024-09-04	Deactivate		Edit	Delete
2300	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello World")	2024-09-04	Deactivate		Edit	Delete
2301	How do you write to a file in JavaScript?	const fs = require("fs"); fs.writeFileSync("file.txt", "Hello World");	2024-09-04	Deactivate		Edit	Delete
2302	How do you write to a file in Java?	try (FileWriter writer = new FileWriter("file.txt")) { writer.write("Hello World"); }	2024-09-04	Deactivate		Edit	Delete
2303	How do you write to a file in C++?	std::ofstream file("file.txt"); file << "Hello World"; file.close();	2024-09-04	Deactivate		Edit	Delete
2304	How do you handle missing values in Python?	df.fillna(0)	2024-09-04	Deactivate		Edit	Delete
2305	How do you handle missing values in JavaScript?	array.filter(value => value !== undefined)	2024-09-04	Deactivate		Edit	Delete
2306	How do you handle missing values in Java?	List filteredList = list.stream().filter(Objects::nonNull).collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
2307	How do you handle missing values in C++?	std::remove_if(v.begin(), v.end(), [](int i){ return i == -1; });	2024-09-04	Deactivate		Edit	Delete
2308	How do you check if a key exists in a dictionary in Python?	if "key" in my_dict:	2024-09-04	Deactivate		Edit	Delete
2309	How do you check if a property exists in an object in JavaScript?	if ("key" in myObj) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
2310	How do you check if a key exists in a HashMap in Java?	if (myMap.containsKey("key")) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
2311	How do you check if a key exists in a map in C++?	if (myMap.find("key") != myMap.end()) { /* code */ }	2024-09-04	Deactivate		Edit	Delete
2312	How do you get the current time in Python?	import datetime now = datetime.datetime.now()	2024-09-04	Deactivate		Edit	Delete
2313	How do you get the current time in JavaScript?	let now = new Date();	2024-09-04	Deactivate		Edit	Delete
2314	How do you get the current time in Java?	LocalDateTime now = LocalDateTime.now();	2024-09-04	Deactivate		Edit	Delete
2315	How do you get the current time in C++?	std::chrono::system_clock::time_point now = std::chrono::system_clock::now();	2024-09-04	Deactivate		Edit	Delete
2316	How do you declare a variable in Python?	x = 10	2024-09-04	Deactivate		Edit	Delete
2317	How do you declare a variable in JavaScript?	let x = 10;	2024-09-04	Deactivate		Edit	Delete
2318	How do you declare a variable in Java?	int x = 10;	2024-09-04	Deactivate		Edit	Delete
2319	How do you declare a variable in C++?	int x = 10;	2024-09-04	Deactivate		Edit	Delete
2320	How do you create a function in Python?	def my_function(): pass	2024-09-04	Deactivate		Edit	Delete
2321	How do you create a function in JavaScript?	function myFunction() { // code }	2024-09-04	Deactivate		Edit	Delete
2322	How do you create a method in Java?	public void myMethod() { // code }	2024-09-04	Deactivate		Edit	Delete
2323	How do you create a method in C++?	void myMethod() { // code }	2024-09-04	Deactivate		Edit	Delete
2324	How do you create an array in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2325	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2326	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2327	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2328	How do you write a for loop in Python?	for i in range(5): print(i)	2024-09-04	Deactivate		Edit	Delete
2329	How do you write a for loop in JavaScript?	for (let i = 0; i < 5; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2330	How do you write a for loop in Java?	for (int i = 0; i < 5; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2331	How do you write a for loop in C++?	for (int i = 0; i < 5; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2332	How do you write an if statement in Python?	if x > 10: print("x is greater than 10")	2024-09-04	Deactivate		Edit	Delete
2333	How do you write an if statement in JavaScript?	if (x > 10) { console.log("x is greater than 10"); }	2024-09-04	Deactivate		Edit	Delete
2334	How do you write an if statement in Java?	if (x > 10) { System.out.println("x is greater than 10"); }	2024-09-04	Deactivate		Edit	Delete
2335	How do you write an if statement in C++?	if (x > 10) { std::cout << "x is greater than 10" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2336	How do you define a class in Python?	class MyClass: def __init__(self): pass	2024-09-04	Deactivate		Edit	Delete
2337	How do you define a class in JavaScript?	class MyClass { constructor() { // code } }	2024-09-04	Deactivate		Edit	Delete
2338	How do you define a class in Java?	public class MyClass { public MyClass() { // code } }	2024-09-04	Deactivate		Edit	Delete
2339	How do you define a class in C++?	class MyClass { public: MyClass() { // code } };	2024-09-04	Deactivate		Edit	Delete
2340	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
2341	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2342	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2343	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2344	How do you connect to a database in Python?	import sqlite3 conn = sqlite3.connect("mydatabase.db")	2024-09-04	Deactivate		Edit	Delete
2345	How do you connect to a database in JavaScript?	const mysql = require("mysql"); const connection = mysql.createConnection({ host: "localhost", user: "root", password: "", database: "mydatabase" }); connection.connect();	2024-09-04	Deactivate		Edit	Delete
2346	How do you connect to a database in Java?	Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/mydatabase", "root", "");	2024-09-04	Deactivate		Edit	Delete
2347	How do you connect to a database in C++?	#include MYSQL* conn; conn = mysql_init(NULL); mysql_real_connect(conn, "localhost", "root", "", "mydatabase", 0, NULL, 0);	2024-09-04	Deactivate		Edit	Delete
2348	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2349	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2350	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
2351	How do you read a file in C++?	#include std::ifstream file("file.txt"); std::string content((std::istreambuf_iterator(file)), std::istreambuf_iterator());	2024-09-04	Deactivate		Edit	Delete
2352	How do you write a file in Python?	with open("file.txt", "w") as file: file.write("Hello World")	2024-09-04	Deactivate		Edit	Delete
2353	How do you write a file in JavaScript?	const fs = require("fs"); fs.writeFile("file.txt", "Hello World", (err) => { if (err) throw err; console.log("File saved!"); });	2024-09-04	Deactivate		Edit	Delete
2354	How do you write a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; Files.write(Paths.get("file.txt"), "Hello World".getBytes());	2024-09-04	Deactivate		Edit	Delete
2355	How do you write a file in C++?	#include std::ofstream file("file.txt"); file << "Hello World";	2024-09-04	Deactivate		Edit	Delete
2356	How do you create a class in Python?	class MyClass: def __init__(self): self.value = 0	2024-09-04	Deactivate		Edit	Delete
2357	How do you create a class in JavaScript?	class MyClass { constructor() { this.value = 0; } }	2024-09-04	Deactivate		Edit	Delete
2358	How do you create a class in Java?	public class MyClass { int value; public MyClass() { value = 0; } }	2024-09-04	Deactivate		Edit	Delete
2359	How do you create a class in C++?	class MyClass { public: int value; MyClass() { value = 0; } };	2024-09-04	Deactivate		Edit	Delete
2360	How do you use a try-catch block in Python?	try: # code except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
2361	How do you use a try-catch block in JavaScript?	try { // code } catch (e) { console.error(e); }	2024-09-04	Deactivate		Edit	Delete
2362	How do you use a try-catch block in Java?	try { // code } catch (Exception e) { e.printStackTrace(); }	2024-09-04	Deactivate		Edit	Delete
2363	How do you use a try-catch block in C++?	try { // code } catch (const std::exception& e) { std::cerr << e.what() << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2364	How do you perform string concatenation in Python?	result = "Hello" + " " + "World"	2024-09-04	Deactivate		Edit	Delete
2365	How do you perform string concatenation in JavaScript?	let result = "Hello" + " " + "World";	2024-09-04	Deactivate		Edit	Delete
2366	How do you reverse a string in Python?	reversed_string = my_string[::-1]	2024-09-04	Deactivate		Edit	Delete
2367	How do you reverse a string in JavaScript?	let reversedString = myString.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
2368	How do you reverse a string in Java?	String reversedString = new StringBuilder(myString).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
2369	How do you reverse a string in C++?	#include std::reverse(myString.begin(), myString.end());	2024-09-04	Deactivate		Edit	Delete
2370	How do you sort an array in Python?	sorted_array = sorted(my_array)	2024-09-04	Deactivate		Edit	Delete
2371	How do you sort an array in JavaScript?	let sortedArray = myArray.sort();	2024-09-04	Deactivate		Edit	Delete
2372	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-04	Deactivate		Edit	Delete
2373	How do you sort an array in C++?	#include std::sort(myArray.begin(), myArray.end());	2024-09-04	Deactivate		Edit	Delete
2374	How do you write a file in Python?	with open("file.txt", "w") as file: file.write("Hello World")	2024-09-04	Deactivate		Edit	Delete
2375	How do you write a file in JavaScript?	const fs = require("fs"); fs.writeFile("file.txt", "Hello World", (err) => { if (err) throw err; console.log("File saved!"); });	2024-09-04	Deactivate		Edit	Delete
2376	How do you write a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; Files.write(Paths.get("file.txt"), "Hello World".getBytes());	2024-09-04	Deactivate		Edit	Delete
2377	How do you write a file in C++?	#include std::ofstream file("file.txt"); file << "Hello World";	2024-09-04	Deactivate		Edit	Delete
2378	How do you connect to a database in Python?	import sqlite3 conn = sqlite3.connect("mydatabase.db")	2024-09-04	Deactivate		Edit	Delete
2379	How do you connect to a database in JavaScript?	const mysql = require("mysql"); const connection = mysql.createConnection({ host: "localhost", user: "root", password: "", database: "mydatabase" }); connection.connect();	2024-09-04	Deactivate		Edit	Delete
2380	How do you connect to a database in Java?	Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/mydatabase", "root", "");	2024-09-04	Deactivate		Edit	Delete
2381	How do you connect to a database in C++?	#include MYSQL* conn; conn = mysql_init(NULL); mysql_real_connect(conn, "localhost", "root", "", "mydatabase", 0, NULL, 0);	2024-09-04	Deactivate		Edit	Delete
2382	How do you perform string concatenation in Python?	result = "Hello" + " " + "World"	2024-09-04	Deactivate		Edit	Delete
2383	How do you perform string concatenation in JavaScript?	let result = "Hello" + " " + "World";	2024-09-04	Deactivate		Edit	Delete
2384	How do you perform string concatenation in Java?	String result = "Hello" + " " + "World";	2024-09-04	Deactivate		Edit	Delete
2385	How do you perform string concatenation in C++?	std::string result = "Hello" + std::string(" ") + "World";	2024-09-04	Deactivate		Edit	Delete
2386	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2387	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2388	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2389	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2390	How do you create a class in Python?	class MyClass: def __init__(self): self.value = 0	2024-09-04	Deactivate		Edit	Delete
2391	How do you create a class in JavaScript?	class MyClass { constructor() { this.value = 0; } }	2024-09-04	Deactivate		Edit	Delete
2392	How do you create a class in Java?	class MyClass { int value; MyClass() { value = 0; } }	2024-09-04	Deactivate		Edit	Delete
2393	How do you create a class in C++?	class MyClass { public: int value; MyClass() { value = 0; } };	2024-09-04	Deactivate		Edit	Delete
2394	How do you handle exceptions in Python?	try: # code except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
2395	How do you handle exceptions in JavaScript?	try { // code } catch (error) { console.log(error); }	2024-09-04	Deactivate		Edit	Delete
2396	How do you handle exceptions in Java?	try { // code } catch (Exception e) { System.out.println(e); }	2024-09-04	Deactivate		Edit	Delete
2397	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { std::cout << e.what(); }	2024-09-04	Deactivate		Edit	Delete
2398	How do you create a dictionary in Python?	my_dict = {"key1": "value1", "key2": "value2"}	2024-09-04	Deactivate		Edit	Delete
2399	How do you create an object in JavaScript?	let myObject = { key1: "value1", key2: "value2" };	2024-09-04	Deactivate		Edit	Delete
2400	How do you create a hashmap in Java?	HashMap myMap = new HashMap<>(); myMap.put("key1", "value1");	2024-09-04	Deactivate		Edit	Delete
2401	How do you create a map in C++?	#include	2024-09-04	Deactivate		Edit	Delete
2402	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2403	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2404	How do you read a file in Java?	BufferedReader reader = new BufferedReader(new FileReader("file.txt")); String line = reader.readLine();	2024-09-04	Deactivate		Edit	Delete
2405	How do you read a file in C++?	#include std::ifstream file("file.txt"); std::string content; file >> content;	2024-09-04	Deactivate		Edit	Delete
2406	How do you append to a list in Python?	my_list.append("new_item")	2024-09-04	Deactivate		Edit	Delete
2407	How do you append to an array in JavaScript?	myArray.push("new_item");	2024-09-04	Deactivate		Edit	Delete
2408	How do you append to an ArrayList in Java?	myArrayList.add("new_item");	2024-09-04	Deactivate		Edit	Delete
2409	How do you append to a vector in C++?	#include std::vector myVector; myVector.push_back(10);	2024-09-04	Deactivate		Edit	Delete
2410	How do you create a function in Python?	def my_function(): return "Hello, World!"	2024-09-04	Deactivate		Edit	Delete
2411	How do you create a function in JavaScript?	function myFunction() { return "Hello, World!"; }	2024-09-04	Deactivate		Edit	Delete
2412	How do you create a method in Java?	public String myMethod() { return "Hello, World!"; }	2024-09-04	Deactivate		Edit	Delete
2413	How do you create a function in C++?	std::string myFunction() { return "Hello, World!"; }	2024-09-04	Deactivate		Edit	Delete
2414	How do you create a lambda function in Python?	lambda_func = lambda x: x + 2	2024-09-04	Deactivate		Edit	Delete
2415	How do you create an arrow function in JavaScript?	const myFunction = (x) => x + 2;	2024-09-04	Deactivate		Edit	Delete
2416	How do you create a thread in Python?	import threading thread = threading.Thread(target=my_function) thread.start()	2024-09-04	Deactivate		Edit	Delete
2417	How do you create a thread in Java?	Thread thread = new Thread(() -> myMethod()); thread.start();	2024-09-04	Deactivate		Edit	Delete
2418	How do you create a thread in C++?	#include std::thread myThread(myFunction); myThread.join();	2024-09-04	Deactivate		Edit	Delete
2419	How do you create an infinite loop in Python?	while True: print("infinite loop")	2024-09-04	Deactivate		Edit	Delete
2420	How do you create an infinite loop in JavaScript?	while (true) { console.log("infinite loop"); }	2024-09-04	Deactivate		Edit	Delete
2421	How do you create an infinite loop in Java?	while (true) { System.out.println("infinite loop"); }	2024-09-04	Deactivate		Edit	Delete
2422	How do you create an infinite loop in C++?	while (true) { std::cout << "infinite loop" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2423	How do you generate a random number in Python?	import random rand_num = random.randint(1, 100)	2024-09-04	Deactivate		Edit	Delete
2424	How do you generate a random number in JavaScript?	let randNum = Math.floor(Math.random() * 100) + 1;	2024-09-04	Deactivate		Edit	Delete
2425	How do you generate a random number in Java?	import java.util.Random; Random rand = new Random(); int randNum = rand.nextInt(100) + 1;	2024-09-04	Deactivate		Edit	Delete
2426	How do you generate a random number in C++?	#include int randNum = rand() % 100 + 1;	2024-09-04	Deactivate		Edit	Delete
2427	How do you declare a variable in Python?	variable = 10	2024-09-04	Deactivate		Edit	Delete
2428	How do you declare a variable in JavaScript?	let variable = 10;	2024-09-04	Deactivate		Edit	Delete
2429	How do you declare a variable in Java?	int variable = 10;	2024-09-04	Deactivate		Edit	Delete
2430	How do you declare a variable in C++?	int variable = 10;	2024-09-04	Deactivate		Edit	Delete
2431	How do you write an if statement in Python?	if x > 10: print("x is greater than 10")	2024-09-04	Deactivate		Edit	Delete
2432	How do you write an if statement in JavaScript?	if (x > 10) { console.log("x is greater than 10"); }	2024-09-04	Deactivate		Edit	Delete
2433	How do you write an if statement in Java?	if (x > 10) { System.out.println("x is greater than 10"); }	2024-09-04	Deactivate		Edit	Delete
2434	How do you write an if statement in C++?	if (x > 10) { std::cout << "x is greater than 10"; }	2024-09-04	Deactivate		Edit	Delete
2435	How do you create a for loop in Python?	for i in range(5): print(i)	2024-09-04	Deactivate		Edit	Delete
2436	How do you create a for loop in JavaScript?	for (let i = 0; i < 5; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2437	How do you create a for loop in Java?	for (int i = 0; i < 5; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2438	How do you create a for loop in C++?	for (int i = 0; i < 5; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2439	How do you create a class in Python?	class MyClass: def __init__(self, name): self.name = name	2024-09-04	Deactivate		Edit	Delete
2440	How do you create a class in JavaScript?	class MyClass { constructor(name) { this.name = name; } }	2024-09-04	Deactivate		Edit	Delete
2441	How do you create a class in Java?	class MyClass { String name; public MyClass(String name) { this.name = name; } }	2024-09-04	Deactivate		Edit	Delete
2442	How do you create a class in C++?	class MyClass { std::string name; public: MyClass(std::string name) { this->name = name; } };	2024-09-04	Deactivate		Edit	Delete
2443	How do you check if a number is even in Python?	if x % 2 == 0: print("x is even")	2024-09-04	Deactivate		Edit	Delete
2444	How do you check if a number is even in JavaScript?	if (x % 2 === 0) { console.log("x is even"); }	2024-09-04	Deactivate		Edit	Delete
2445	How do you check if a number is even in Java?	if (x % 2 == 0) { System.out.println("x is even"); }	2024-09-04	Deactivate		Edit	Delete
2446	How do you check if a number is even in C++?	if (x % 2 == 0) { std::cout << "x is even" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2447	How do you reverse a string in Python?	reversed_string = my_string[::-1]	2024-09-04	Deactivate		Edit	Delete
2448	How do you reverse a string in JavaScript?	let reversedString = myString.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
2449	How do you reverse a string in Java?	String reversedString = new StringBuilder(myString).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
2450	How do you reverse a string in C++?	#include std::string reversedString = myString; std::reverse(reversedString.begin(), reversedString.end());	2024-09-04	Deactivate		Edit	Delete
2451	How do you swap two variables in Python?	x, y = y, x	2024-09-04	Deactivate		Edit	Delete
2452	How do you swap two variables in JavaScript?	[x, y] = [y, x];	2024-09-04	Deactivate		Edit	Delete
2453	How do you swap two variables in Java?	int temp = x; x = y; y = temp;	2024-09-04	Deactivate		Edit	Delete
2454	How do you swap two variables in C++?	int temp = x; x = y; y = temp;	2024-09-04	Deactivate		Edit	Delete
2455	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2456	How do you create an array in JavaScript?	let arr = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2457	How do you create an array in Java?	int[] arr = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2458	How do you create an array in C++?	int arr[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2459	How do you remove an element from a list in Python?	my_list.remove(2)	2024-09-04	Deactivate		Edit	Delete
2460	How do you remove an element from an array in JavaScript?	arr.splice(arr.indexOf(2), 1);	2024-09-04	Deactivate		Edit	Delete
2461	How do you remove an element from an array in Java?	ArrayList list = new ArrayList<>(Arrays.asList(arr)); list.remove(Integer.valueOf(2));	2024-09-04	Deactivate		Edit	Delete
2462	How do you remove an element from an array in C++?	arr.erase(std::remove(arr.begin(), arr.end(), 2), arr.end());	2024-09-04	Deactivate		Edit	Delete
2463	How do you find the length of a list in Python?	len(my_list)	2024-09-04	Deactivate		Edit	Delete
2464	How do you find the length of an array in JavaScript?	arr.length	2024-09-04	Deactivate		Edit	Delete
2465	How do you find the length of an array in Java?	arr.length	2024-09-04	Deactivate		Edit	Delete
2466	How do you find the length of an array in C++?	sizeof(arr) / sizeof(arr[0])	2024-09-04	Deactivate		Edit	Delete
2467	How do you create a function in Python?	def my_function(): print("Hello World")	2024-09-04	Deactivate		Edit	Delete
2468	How do you create a function in JavaScript?	function myFunction() { console.log("Hello World"); }	2024-09-04	Deactivate		Edit	Delete
2469	How do you create a function in Java?	public void myFunction() { System.out.println("Hello World"); }	2024-09-04	Deactivate		Edit	Delete
2470	How do you create a function in C++?	void myFunction() { std::cout << "Hello World" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2471	How do you create a dictionary in Python?	my_dict = {"name": "John", "age": 30}	2024-09-04	Deactivate		Edit	Delete
2472	How do you create an object in JavaScript?	let myObj = {name: "John", age: 30};	2024-09-04	Deactivate		Edit	Delete
2473	How do you create a HashMap in Java?	HashMap myMap = new HashMap<>(); myMap.put("age", 30);	2024-09-04	Deactivate		Edit	Delete
2474	How do you create a map in C++?	#include	2024-09-04	Deactivate		Edit	Delete
2475	How do you concatenate strings in Python?	full_name = first_name + " " + last_name	2024-09-04	Deactivate		Edit	Delete
2476	How do you concatenate strings in JavaScript?	let fullName = firstName + " " + lastName;	2024-09-04	Deactivate		Edit	Delete
2477	How do you concatenate strings in Java?	String fullName = firstName + " " + lastName;	2024-09-04	Deactivate		Edit	Delete
2478	How do you concatenate strings in C++?	std::string fullName = firstName + " " + lastName;	2024-09-04	Deactivate		Edit	Delete
2479	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2480	How do you sort an array in JavaScript?	arr.sort();	2024-09-04	Deactivate		Edit	Delete
2481	How do you sort an array in Java?	Arrays.sort(arr);	2024-09-04	Deactivate		Edit	Delete
2482	How do you sort an array in C++?	#include std::sort(arr, arr + n);	2024-09-04	Deactivate		Edit	Delete
2483	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-04	Deactivate		Edit	Delete
2484	How do you find the maximum value in an array in JavaScript?	let maxValue = Math.max(...arr);	2024-09-04	Deactivate		Edit	Delete
2485	How do you find the maximum value in an array in Java?	int maxValue = Collections.max(Arrays.asList(arr));	2024-09-04	Deactivate		Edit	Delete
2486	How do you find the maximum value in an array in C++?	int maxValue = *std::max_element(arr, arr + n);	2024-09-04	Deactivate		Edit	Delete
2487	How do you check if a list contains an element in Python?	if 10 in my_list: print("Found")	2024-09-04	Deactivate		Edit	Delete
2488	How do you check if an array contains an element in JavaScript?	if (arr.includes(10)) { console.log("Found"); }	2024-09-04	Deactivate		Edit	Delete
2489	How do you check if an array contains an element in Java?	if (Arrays.asList(arr).contains(10)) { System.out.println("Found"); }	2024-09-04	Deactivate		Edit	Delete
2490	How do you check if an array contains an element in C++?	if (std::find(arr, arr + n, 10) != arr + n) { std::cout << "Found"; }	2024-09-04	Deactivate		Edit	Delete
2491	How do you find the index of an element in a list in Python?	index = my_list.index(10)	2024-09-04	Deactivate		Edit	Delete
2492	How do you find the index of an element in an array in JavaScript?	let index = arr.indexOf(10);	2024-09-04	Deactivate		Edit	Delete
2493	How do you find the index of an element in an array in Java?	int index = Arrays.asList(arr).indexOf(10);	2024-09-04	Deactivate		Edit	Delete
2494	How do you find the index of an element in an array in C++?	int index = std::distance(arr, std::find(arr, arr + n, 10));	2024-09-04	Deactivate		Edit	Delete
2495	How do you reverse a list in Python?	my_list.reverse()	2024-09-04	Deactivate		Edit	Delete
2496	How do you reverse an array in JavaScript?	arr.reverse();	2024-09-04	Deactivate		Edit	Delete
2497	How do you reverse an array in Java?	Collections.reverse(Arrays.asList(arr));	2024-09-04	Deactivate		Edit	Delete
2498	How do you reverse an array in C++?	#include std::reverse(arr, arr + n);	2024-09-04	Deactivate		Edit	Delete
2499	How do you append an element to a list in Python?	my_list.append(10)	2024-09-04	Deactivate		Edit	Delete
2500	How do you append an element to an array in JavaScript?	arr.push(10);	2024-09-04	Deactivate		Edit	Delete
2501	How do you append an element to an array in Java?	int[] newArr = Arrays.copyOf(arr, arr.length + 1); newArr[newArr.length - 1] = 10;	2024-09-04	Deactivate		Edit	Delete
2502	How do you append an element to an array in C++?	#include std::vector vec(arr, arr + n); vec.push_back(10);	2024-09-04	Deactivate		Edit	Delete
2503	How do you remove an element from a list in Python?	my_list.remove(10)	2024-09-04	Deactivate		Edit	Delete
2504	How do you remove an element from an array in JavaScript?	arr.splice(arr.indexOf(10), 1);	2024-09-04	Deactivate		Edit	Delete
2505	How do you remove an element from an array in Java?	List list = new ArrayList<>(Arrays.asList(arr)); list.remove(Integer.valueOf(10));	2024-09-04	Deactivate		Edit	Delete
2506	How do you remove an element from an array in C++?	#include arr.erase(std::remove(arr.begin(), arr.end(), 10), arr.end());	2024-09-04	Deactivate		Edit	Delete
2507	How do you convert a list to a string in Python?	str_list = ",".join(my_list)	2024-09-04	Deactivate		Edit	Delete
2508	How do you convert an array to a string in JavaScript?	let strArr = arr.join(",");	2024-09-04	Deactivate		Edit	Delete
2509	How do you convert an array to a string in Java?	String strArr = Arrays.toString(arr);	2024-09-04	Deactivate		Edit	Delete
2510	How do you convert an array to a string in C++?	#include std::ostringstream oss; for (int i : arr) { oss << i << ","; } std::string strArr = oss.str();	2024-09-04	Deactivate		Edit	Delete
2511	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
2512	How do you find the length of an array in JavaScript?	let length = arr.length;	2024-09-04	Deactivate		Edit	Delete
2513	How do you find the length of an array in Java?	int length = arr.length;	2024-09-04	Deactivate		Edit	Delete
2514	How do you find the length of an array in C++?	int length = sizeof(arr) / sizeof(arr[0]);	2024-09-04	Deactivate		Edit	Delete
2515	How do you iterate through a list in Python?	for item in my_list: print(item)	2024-09-04	Deactivate		Edit	Delete
2516	How do you iterate through an array in JavaScript?	for (let i = 0; i < arr.length; i++) { console.log(arr[i]); }	2024-09-04	Deactivate		Edit	Delete
2517	How do you iterate through an array in Java?	for (int i = 0; i < arr.length; i++) { System.out.println(arr[i]); }	2024-09-04	Deactivate		Edit	Delete
2518	How do you iterate through an array in C++?	for (int i = 0; i < n; i++) { std::cout << arr[i] << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2519	How do you filter a list in Python?	filtered_list = [x for x in my_list if x > 10]	2024-09-04	Deactivate		Edit	Delete
2520	How do you filter an array in JavaScript?	let filteredArr = arr.filter(x => x > 10);	2024-09-04	Deactivate		Edit	Delete
2521	How do you filter an array in Java?	int[] filteredArr = Arrays.stream(arr).filter(x -> x > 10).toArray();	2024-09-04	Deactivate		Edit	Delete
2522	How do you filter an array in C++?	#include std::vector filteredArr; std::copy_if(arr.begin(), arr.end(), std::back_inserter(filteredArr), [](int i){ return i > 10; });	2024-09-04	Deactivate		Edit	Delete
2523	How do you convert a string to an integer in Python?	num = int("10")	2024-09-04	Deactivate		Edit	Delete
2524	How do you convert a string to an integer in JavaScript?	let num = parseInt("10", 10);	2024-09-04	Deactivate		Edit	Delete
2525	How do you convert a string to an integer in Java?	int num = Integer.parseInt("10");	2024-09-04	Deactivate		Edit	Delete
2526	How do you convert a string to an integer in C++?	int num = std::stoi("10");	2024-09-04	Deactivate		Edit	Delete
2527	How do you handle exceptions in Python?	try: risky_code() except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
2528	How do you handle exceptions in JavaScript?	try { riskyCode(); } catch (e) { console.error(e); }	2024-09-04	Deactivate		Edit	Delete
2529	How do you handle exceptions in Java?	try { riskyCode(); } catch (Exception e) { e.printStackTrace(); }	2024-09-04	Deactivate		Edit	Delete
2530	How do you handle exceptions in C++?	try { riskyCode(); } catch (const std::exception& e) { std::cerr << e.what() << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2531	How do you create a function in Python?	def my_function(param): return param + 1	2024-09-04	Deactivate		Edit	Delete
2532	How do you create a function in JavaScript?	function myFunction(param) { return param + 1; }	2024-09-04	Deactivate		Edit	Delete
2533	How do you create a function in Java?	int myFunction(int param) { return param + 1; }	2024-09-04	Deactivate		Edit	Delete
2534	How do you create a function in C++?	int myFunction(int param) { return param + 1; }	2024-09-04	Deactivate		Edit	Delete
2535	How do you concatenate strings in Python?	result = "Hello" + " " + "World"	2024-09-04	Deactivate		Edit	Delete
2536	How do you concatenate strings in JavaScript?	let result = "Hello" + " " + "World";	2024-09-04	Deactivate		Edit	Delete
2537	How do you concatenate strings in Java?	String result = "Hello" + " " + "World";	2024-09-04	Deactivate		Edit	Delete
2538	How do you concatenate strings in C++?	std::string result = "Hello" + " " + "World";	2024-09-04	Deactivate		Edit	Delete
2539	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2540	How do you sort an array in JavaScript?	arr.sort()	2024-09-04	Deactivate		Edit	Delete
2541	How do you sort an array in Java?	Arrays.sort(arr);	2024-09-04	Deactivate		Edit	Delete
2542	How do you sort an array in C++?	#include std::sort(arr.begin(), arr.end());	2024-09-04	Deactivate		Edit	Delete
2543	How do you find the maximum element in a list in Python?	max_element = max(my_list)	2024-09-04	Deactivate		Edit	Delete
2544	How do you find the maximum element in an array in JavaScript?	let maxElement = Math.max(...arr);	2024-09-04	Deactivate		Edit	Delete
2545	How do you find the maximum element in an array in Java?	int max = Arrays.stream(arr).max().getAsInt();	2024-09-04	Deactivate		Edit	Delete
2546	How do you find the maximum element in an array in C++?	auto maxElement = *std::max_element(arr.begin(), arr.end());	2024-09-04	Deactivate		Edit	Delete
2547	How do you check if a list is empty in Python?	if not my_list: print("List is empty")	2024-09-04	Deactivate		Edit	Delete
2548	How do you check if an array is empty in JavaScript?	if (arr.length === 0) { console.log("Array is empty"); }	2024-09-04	Deactivate		Edit	Delete
2549	How do you check if an array is empty in Java?	if (arr.length == 0) { System.out.println("Array is empty"); }	2024-09-04	Deactivate		Edit	Delete
2550	How do you check if an array is empty in C++?	if (arr.empty()) { std::cout << "Array is empty" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2551	How do you find the index of an element in a list in Python?	index = my_list.index(10)	2024-09-04	Deactivate		Edit	Delete
2552	How do you find the index of an element in an array in JavaScript?	let index = arr.indexOf(10);	2024-09-04	Deactivate		Edit	Delete
2553	How do you find the index of an element in an array in Java?	int index = IntStream.range(0, arr.length).filter(i -> arr[i] == 10).findFirst().orElse(-1);	2024-09-04	Deactivate		Edit	Delete
2554	How do you find the index of an element in an array in C++?	#include auto it = std::find(arr.begin(), arr.end(), 10); int index = (it != arr.end()) ? std::distance(arr.begin(), it) : -1;	2024-09-04	Deactivate		Edit	Delete
2555	How do you check for null or undefined values in JavaScript?	if (value == null) { console.log("Value is null or undefined"); }	2024-09-04	Deactivate		Edit	Delete
2556	How do you check for null values in Java?	if (obj == null) { System.out.println("Object is null"); }	2024-09-04	Deactivate		Edit	Delete
2557	How do you check for null values in Python?	if my_var is None: print("Variable is None")	2024-09-04	Deactivate		Edit	Delete
2558	How do you check for null values in C++?	if (ptr == nullptr) { std::cout << "Pointer is null" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2559	How do you write a for loop in Python?	for i in range(10): print(i)	2024-09-04	Deactivate		Edit	Delete
2560	How do you write a for loop in JavaScript?	for (let i = 0; i < 10; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2561	How do you write a for loop in Java?	for (int i = 0; i < 10; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2562	How do you write a for loop in C++?	for (int i = 0; i < 10; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2563	How do you write a while loop in Python?	i = 0 while i < 10: print(i) i += 1	2024-09-04	Deactivate		Edit	Delete
2564	How do you write a while loop in JavaScript?	let i = 0; while (i < 10) { console.log(i); i++; }	2024-09-04	Deactivate		Edit	Delete
2565	How do you write a while loop in Java?	int i = 0; while (i < 10) { System.out.println(i); i++; }	2024-09-04	Deactivate		Edit	Delete
2566	How do you write a while loop in C++?	int i = 0; while (i < 10) { std::cout << i << std::endl; i++; }	2024-09-04	Deactivate		Edit	Delete
2567	How do you write a switch statement in Python?	Python does not have a switch statement; use if-elif-else instead.	2024-09-04	Deactivate		Edit	Delete
2568	How do you write a switch statement in JavaScript?	switch (value) { case 1: console.log("One"); break; default: console.log("Default"); }	2024-09-04	Deactivate		Edit	Delete
2569	How do you write a switch statement in Java?	switch (value) { case 1: System.out.println("One"); break; default: System.out.println("Default"); }	2024-09-04	Deactivate		Edit	Delete
2570	How do you write a switch statement in C++?	switch (value) { case 1: std::cout << "One" << std::endl; break; default: std::cout << "Default" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2571	How do you define a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
2572	How do you define a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2573	How do you define a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2574	How do you define a class in C++?	class MyClass { int value; public: MyClass(int value) : value(value) {} };	2024-09-04	Deactivate		Edit	Delete
2575	How do you create an object of a class in Python?	obj = MyClass(10)	2024-09-04	Deactivate		Edit	Delete
2576	How do you create an object of a class in JavaScript?	let obj = new MyClass(10);	2024-09-04	Deactivate		Edit	Delete
2577	How do you create an object of a class in Java?	MyClass obj = new MyClass(10);	2024-09-04	Deactivate		Edit	Delete
2578	How do you create an object of a class in C++?	MyClass obj(10);	2024-09-04	Deactivate		Edit	Delete
2579	How do you implement inheritance in Python?	class ChildClass(ParentClass): pass	2024-09-04	Deactivate		Edit	Delete
2580	How do you implement inheritance in JavaScript?	class ChildClass extends ParentClass { constructor() { super(); } }	2024-09-04	Deactivate		Edit	Delete
2581	How do you implement inheritance in Java?	public class ChildClass extends ParentClass { // class body }	2024-09-04	Deactivate		Edit	Delete
2582	How do you implement inheritance in C++?	class ChildClass : public ParentClass { // class body };	2024-09-04	Deactivate		Edit	Delete
2583	How do you override a method in Python?	class MyClass: def my_method(self): print("Original") def my_method(self): print("Overridden")	2024-09-04	Deactivate		Edit	Delete
2584	How do you override a method in JavaScript?	class MyClass { myMethod() { console.log("Original"); } } class ChildClass extends MyClass { myMethod() { console.log("Overridden"); } }	2024-09-04	Deactivate		Edit	Delete
2585	How do you override a method in Java?	class MyClass { void myMethod() { System.out.println("Original"); } } class ChildClass extends MyClass { @Override void myMethod() { System.out.println("Overridden"); } }	2024-09-04	Deactivate		Edit	Delete
2586	How do you override a method in C++?	class MyClass { public: virtual void myMethod() { std::cout << "Original" << std::endl; } }; class ChildClass : public MyClass { public: void myMethod() override { std::cout << "Overridden" << std::endl; } };	2024-09-04	Deactivate		Edit	Delete
2587	How do you define a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2588	How do you define an array in JavaScript?	let arr = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2589	How do you define an array in Java?	int[] arr = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2590	How do you define an array in C++?	int arr[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2591	How do you access elements in a list in Python?	element = my_list[0]	2024-09-04	Deactivate		Edit	Delete
2592	How do you access elements in an array in JavaScript?	let element = arr[0];	2024-09-04	Deactivate		Edit	Delete
2593	How do you access elements in an array in Java?	int element = arr[0];	2024-09-04	Deactivate		Edit	Delete
2594	How do you access elements in an array in C++?	int element = arr[0];	2024-09-04	Deactivate		Edit	Delete
2595	How do you append to a list in Python?	my_list.append(4)	2024-09-04	Deactivate		Edit	Delete
2596	How do you append to an array in JavaScript?	arr.push(4);	2024-09-04	Deactivate		Edit	Delete
2597	How do you append to an array in Java?	List list = new ArrayList<>(); list.add(4);	2024-09-04	Deactivate		Edit	Delete
2598	How do you append to an array in C++?	std::vector vec = {1, 2, 3}; vec.push_back(4);	2024-09-04	Deactivate		Edit	Delete
2599	How do you remove an element from a list in Python?	my_list.remove(4)	2024-09-04	Deactivate		Edit	Delete
2600	How do you remove an element from an array in JavaScript?	arr.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
2601	How do you remove an element from an array in Java?	list.remove(Integer.valueOf(4));	2024-09-04	Deactivate		Edit	Delete
2602	How do you remove an element from an array in C++?	vec.erase(vec.begin() + index);	2024-09-04	Deactivate		Edit	Delete
2603	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2604	How do you sort an array in JavaScript?	arr.sort()	2024-09-04	Deactivate		Edit	Delete
2605	How do you sort a list in Java?	Collections.sort(list);	2024-09-04	Deactivate		Edit	Delete
2606	How do you sort a vector in C++?	std::sort(vec.begin(), vec.end());	2024-09-04	Deactivate		Edit	Delete
2607	How do you find the length of a list in Python?	length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
2608	How do you find the length of an array in JavaScript?	let length = arr.length;	2024-09-04	Deactivate		Edit	Delete
2609	How do you find the length of a list in Java?	int length = list.size();	2024-09-04	Deactivate		Edit	Delete
2610	How do you find the size of a vector in C++?	size_t size = vec.size();	2024-09-04	Deactivate		Edit	Delete
2611	How do you concatenate strings in Python?	result = str1 + str2	2024-09-04	Deactivate		Edit	Delete
2612	How do you concatenate strings in JavaScript?	let result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2613	How do you concatenate strings in Java?	String result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2614	How do you concatenate strings in C++?	std::string result = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2615	How do you convert a string to an integer in Python?	num = int(my_string)	2024-09-04	Deactivate		Edit	Delete
2616	How do you convert a string to an integer in JavaScript?	let num = parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
2617	How do you convert a string to an integer in Java?	int num = Integer.parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
2618	How do you convert a string to an integer in C++?	int num = std::stoi(myString);	2024-09-04	Deactivate		Edit	Delete
2619	How do you convert an integer to a string in Python?	my_string = str(num)	2024-09-04	Deactivate		Edit	Delete
2620	How do you convert an integer to a string in JavaScript?	let myString = num.toString();	2024-09-04	Deactivate		Edit	Delete
2621	How do you convert an integer to a string in Java?	String myString = Integer.toString(num);	2024-09-04	Deactivate		Edit	Delete
2622	How do you convert an integer to a string in C++?	std::string myString = std::to_string(num);	2024-09-04	Deactivate		Edit	Delete
2623	How do you check if a string contains a substring in Python?	contains = substring in my_string	2024-09-04	Deactivate		Edit	Delete
2624	How do you check if a string contains a substring in JavaScript?	let contains = myString.includes(substring);	2024-09-04	Deactivate		Edit	Delete
2625	How do you check if a string contains a substring in Java?	boolean contains = myString.contains(substring);	2024-09-04	Deactivate		Edit	Delete
2626	How do you check if a string contains a substring in C++?	bool contains = myString.find(substring) != std::string::npos;	2024-09-04	Deactivate		Edit	Delete
2627	How do you split a string in Python?	parts = my_string.split(delimiter)	2024-09-04	Deactivate		Edit	Delete
2628	How do you split a string in JavaScript?	let parts = myString.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
2629	How do you split a string in Java?	String[] parts = myString.split(delimiter);	2024-09-04	Deactivate		Edit	Delete
2630	How do you split a string in C++?	std::vector parts; std::istringstream iss(myString); std::string part; while (std::getline(iss, part, delimiter)) { parts.push_back(part); }	2024-09-04	Deactivate		Edit	Delete
2631	How do you join a list into a string in Python?	result = delimiter.join(my_list)	2024-09-04	Deactivate		Edit	Delete
2632	How do you join an array into a string in JavaScript?	let result = arr.join(delimiter);	2024-09-04	Deactivate		Edit	Delete
2633	How do you join a list into a string in Java?	String result = String.join(delimiter, list);	2024-09-04	Deactivate		Edit	Delete
2634	How do you join a vector into a string in C++?	std::string result; for (const auto& s : vec) { if (!result.empty()) result += delimiter; result += s; }	2024-09-04	Deactivate		Edit	Delete
2635	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
2636	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2637	How do you create a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2638	How do you create a class in C++?	class MyClass { int value; public: MyClass(int value) : value(value) {} };	2024-09-04	Deactivate		Edit	Delete
2639	How do you create a function in Python?	def my_function(param): return param * 2	2024-09-04	Deactivate		Edit	Delete
2640	How do you create a function in JavaScript?	function myFunction(param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
2641	How do you create a function in Java?	public int myFunction(int param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
2642	How do you create a function in C++?	int myFunction(int param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
2643	How do you call a function in Python?	result = my_function(5)	2024-09-04	Deactivate		Edit	Delete
2644	How do you call a function in JavaScript?	let result = myFunction(5);	2024-09-04	Deactivate		Edit	Delete
2645	How do you call a function in Java?	int result = myFunction(5);	2024-09-04	Deactivate		Edit	Delete
2646	How do you call a function in C++?	int result = myFunction(5);	2024-09-04	Deactivate		Edit	Delete
2647	How do you handle exceptions in Python?	try: # code that may raise an exception except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
2648	How do you handle exceptions in JavaScript?	try { // code that may throw an exception } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2649	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2650	How do you handle exceptions in C++?	try { // code that may throw an exception } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2651	How do you iterate over a list in Python?	for item in my_list: # process item	2024-09-04	Deactivate		Edit	Delete
2652	How do you iterate over an array in JavaScript?	for (let item of arr) { // process item }	2024-09-04	Deactivate		Edit	Delete
2653	How do you iterate over a list in Java?	for (String item : list) { // process item }	2024-09-04	Deactivate		Edit	Delete
2654	How do you iterate over a vector in C++?	for (const auto& item : vec) { // process item }	2024-09-04	Deactivate		Edit	Delete
2655	How do you get the current date and time in Python?	from datetime import datetime now = datetime.now()	2024-09-04	Deactivate		Edit	Delete
2656	How do you get the current date and time in JavaScript?	let now = new Date();	2024-09-04	Deactivate		Edit	Delete
2657	How do you get the current date and time in Java?	import java.time.LocalDateTime; LocalDateTime now = LocalDateTime.now();	2024-09-04	Deactivate		Edit	Delete
2658	How do you get the current date and time in C++?	#include std::time_t now = std::time(0);	2024-09-04	Deactivate		Edit	Delete
2659	How do you create a loop in Python?	for i in range(5): # code to execute	2024-09-04	Deactivate		Edit	Delete
2660	How do you create a loop in JavaScript?	for (let i = 0; i < 5; i++) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2661	How do you create a loop in Java?	for (int i = 0; i < 5; i++) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2662	How do you create a loop in C++?	for (int i = 0; i < 5; i++) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2663	How do you use a conditional statement in Python?	if x > 10: # code to execute	2024-09-04	Deactivate		Edit	Delete
2664	How do you use a conditional statement in JavaScript?	if (x > 10) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2665	How do you use a conditional statement in Java?	if (x > 10) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2666	How do you use a conditional statement in C++?	if (x > 10) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2667	How do you create a dictionary in Python?	my_dict = {"key1": "value1", "key2": "value2"}	2024-09-04	Deactivate		Edit	Delete
2668	How do you create an object in JavaScript?	let myObject = {key1: "value1", key2: "value2"};	2024-09-04	Deactivate		Edit	Delete
2669	How do you create a map in Java?	Map myMap = new HashMap<>(); myMap.put("key1", "value1");	2024-09-04	Deactivate		Edit	Delete
2670	How do you create a map in C++?	std::map myMap; myMap["key1"] = "value1";	2024-09-04	Deactivate		Edit	Delete
2671	How do you add an item to a list in Python?	my_list.append(item)	2024-09-04	Deactivate		Edit	Delete
2672	How do you add an item to an array in JavaScript?	arr.push(item);	2024-09-04	Deactivate		Edit	Delete
2673	How do you add an item to a list in Java?	list.add(item);	2024-09-04	Deactivate		Edit	Delete
2674	How do you add an item to a vector in C++?	vec.push_back(item);	2024-09-04	Deactivate		Edit	Delete
2675	How do you read from a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2676	How do you read from a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2677	How do you read from a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
2678	How do you read from a file in C++?	#include std::ifstream file("file.txt"); std::string content; if (file.is_open()) { std::getline(file, content); file.close(); }	2024-09-04	Deactivate		Edit	Delete
2679	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, World!")	2024-09-04	Deactivate		Edit	Delete
2680	How do you write to a file in JavaScript?	const fs = require("fs"); fs.writeFile("file.txt", "Hello, World!", (err) => { if (err) throw err; console.log("File saved!"); });	2024-09-04	Deactivate		Edit	Delete
2681	How do you write to a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; Files.write(Paths.get("file.txt"), "Hello, World!".getBytes());	2024-09-04	Deactivate		Edit	Delete
2682	How do you write to a file in C++?	#include std::ofstream file("file.txt"); if (file.is_open()) { file << "Hello, World!"; file.close(); }	2024-09-04	Deactivate		Edit	Delete
2683	How do you handle exceptions in Python?	try: # code that may raise an exception except ExceptionType as e: # code to handle the exception	2024-09-04	Deactivate		Edit	Delete
2684	How do you handle exceptions in JavaScript?	try { // code that may throw an exception } catch (e) { // code to handle the exception }	2024-09-04	Deactivate		Edit	Delete
2685	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { // code to handle the exception }	2024-09-04	Deactivate		Edit	Delete
2686	How do you handle exceptions in C++?	#include try { // code that may throw an exception } catch (const std::exception& e) { // code to handle the exception }	2024-09-04	Deactivate		Edit	Delete
2687	How do you create a function in Python?	def function_name(parameters): # code to execute	2024-09-04	Deactivate		Edit	Delete
2688	How do you create a function in JavaScript?	function functionName(parameters) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2689	How do you create a function in Java?	public returnType functionName(parameters) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2690	How do you create a function in C++?	returnType functionName(parameters) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2691	How do you define a class in Python?	class ClassName: def __init__(self, parameters): # initialization code	2024-09-04	Deactivate		Edit	Delete
2692	How do you define a class in JavaScript?	class ClassName { constructor(parameters) { // initialization code } }	2024-09-04	Deactivate		Edit	Delete
2693	How do you define a class in Java?	public class ClassName { public ClassName(parameters) { // initialization code } }	2024-09-04	Deactivate		Edit	Delete
2694	How do you define a class in C++?	class ClassName { public: ClassName(parameters) { // initialization code } };	2024-09-04	Deactivate		Edit	Delete
2695	How do you perform string concatenation in Python?	str1 + str2	2024-09-04	Deactivate		Edit	Delete
2696	How do you perform string concatenation in JavaScript?	str1 + str2	2024-09-04	Deactivate		Edit	Delete
2697	How do you perform string concatenation in Java?	str1 + str2	2024-09-04	Deactivate		Edit	Delete
2698	How do you perform string concatenation in C++?	str1 + str2	2024-09-04	Deactivate		Edit	Delete
2699	How do you create a list in Python?	my_list = [item1, item2, item3]	2024-09-04	Deactivate		Edit	Delete
2700	How do you create an array in JavaScript?	let myArray = [item1, item2, item3];	2024-09-04	Deactivate		Edit	Delete
2701	How do you create an ArrayList in Java?	ArrayList list = new ArrayList<>();	2024-09-04	Deactivate		Edit	Delete
2702	How do you create a vector in C++?	#include std::vector vec;	2024-09-04	Deactivate		Edit	Delete
2703	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2704	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
2705	How do you sort a list in Java?	Collections.sort(list);	2024-09-04	Deactivate		Edit	Delete
2706	How do you sort a vector in C++?	#include std::sort(vec.begin(), vec.end());	2024-09-04	Deactivate		Edit	Delete
2707	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-04	Deactivate		Edit	Delete
2708	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
2709	How do you remove an item from a list in Java?	list.remove(item);	2024-09-04	Deactivate		Edit	Delete
2710	How do you remove an item from a vector in C++?	vec.erase(vec.begin() + index);	2024-09-04	Deactivate		Edit	Delete
2711	How do you check for equality of two strings in Python?	str1 == str2	2024-09-04	Deactivate		Edit	Delete
2712	How do you check for equality of two strings in JavaScript?	str1 === str2	2024-09-04	Deactivate		Edit	Delete
2713	How do you check for equality of two strings in Java?	str1.equals(str2)	2024-09-04	Deactivate		Edit	Delete
2714	How do you check for equality of two strings in C++?	str1 == str2	2024-09-04	Deactivate		Edit	Delete
2715	How do you find the length of a string in Python?	len(my_string)	2024-09-04	Deactivate		Edit	Delete
2716	How do you find the length of a string in JavaScript?	myString.length	2024-09-04	Deactivate		Edit	Delete
2717	How do you find the length of a string in Java?	myString.length()	2024-09-04	Deactivate		Edit	Delete
2718	How do you find the length of a string in C++?	myString.length()	2024-09-04	Deactivate		Edit	Delete
2719	How do you append to a string in Python?	my_string += " appended text"	2024-09-04	Deactivate		Edit	Delete
2720	How do you append to a string in JavaScript?	myString += " appended text"	2024-09-04	Deactivate		Edit	Delete
2721	How do you append to a string in Java?	myString += " appended text"	2024-09-04	Deactivate		Edit	Delete
2722	How do you append to a string in C++?	myString += " appended text"	2024-09-04	Deactivate		Edit	Delete
2723	How do you find a substring in Python?	my_string.find("substring")	2024-09-04	Deactivate		Edit	Delete
2724	How do you find a substring in JavaScript?	myString.indexOf("substring")	2024-09-04	Deactivate		Edit	Delete
2725	How do you find a substring in Java?	myString.indexOf("substring")	2024-09-04	Deactivate		Edit	Delete
2726	How do you find a substring in C++?	myString.find("substring")	2024-09-04	Deactivate		Edit	Delete
2727	How do you split a string in Python?	my_string.split("delimiter")	2024-09-04	Deactivate		Edit	Delete
2728	How do you split a string in JavaScript?	myString.split("delimiter")	2024-09-04	Deactivate		Edit	Delete
2729	How do you split a string in Java?	myString.split("delimiter")	2024-09-04	Deactivate		Edit	Delete
2730	How do you split a string in C++?	std::stringstream ss(myString); std::string token; while (std::getline(ss, token, delimiter)) { // process token }	2024-09-04	Deactivate		Edit	Delete
2731	How do you convert a string to an integer in Python?	int(my_string)	2024-09-04	Deactivate		Edit	Delete
2732	How do you convert a string to an integer in JavaScript?	parseInt(myString)	2024-09-04	Deactivate		Edit	Delete
2733	How do you convert a string to an integer in Java?	Integer.parseInt(myString)	2024-09-04	Deactivate		Edit	Delete
2734	How do you convert a string to an integer in C++?	std::stoi(myString)	2024-09-04	Deactivate		Edit	Delete
2735	How do you convert an integer to a string in Python?	str(my_integer)	2024-09-04	Deactivate		Edit	Delete
2736	How do you convert an integer to a string in JavaScript?	myInteger.toString()	2024-09-04	Deactivate		Edit	Delete
2737	How do you convert an integer to a string in Java?	String.valueOf(myInteger)	2024-09-04	Deactivate		Edit	Delete
2738	How do you convert an integer to a string in C++?	std::to_string(myInteger)	2024-09-04	Deactivate		Edit	Delete
2739	How do you check if a string contains a substring in Python?	"substring" in my_string	2024-09-04	Deactivate		Edit	Delete
2740	How do you check if a string contains a substring in JavaScript?	myString.includes("substring")	2024-09-04	Deactivate		Edit	Delete
2741	How do you check if a string contains a substring in Java?	myString.contains("substring")	2024-09-04	Deactivate		Edit	Delete
2742	How do you check if a string contains a substring in C++?	myString.find("substring") != std::string::npos	2024-09-04	Deactivate		Edit	Delete
2743	How do you replace a substring in Python?	my_string.replace("old", "new")	2024-09-04	Deactivate		Edit	Delete
2744	How do you replace a substring in JavaScript?	myString.replace("old", "new")	2024-09-04	Deactivate		Edit	Delete
2745	How do you replace a substring in Java?	myString.replace("old", "new")	2024-09-04	Deactivate		Edit	Delete
2746	How do you replace a substring in C++?	std::string newString = myString; size_t pos = newString.find("old"); if (pos != std::string::npos) { newString.replace(pos, old.length(), "new"); }	2024-09-04	Deactivate		Edit	Delete
2747	How do you perform basic file I/O in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2748	How do you perform basic file I/O in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2749	How do you perform basic file I/O in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
2750	How do you perform basic file I/O in C++?	#include std::ifstream file("file.txt"); std::string content; if (file.is_open()) { std::getline(file, content); file.close(); }	2024-09-04	Deactivate		Edit	Delete
2751	How do you perform basic string formatting in Python?	f"Hello, {name}"	2024-09-04	Deactivate		Edit	Delete
2752	How do you perform basic string formatting in JavaScript?	`Hello, ${name}`	2024-09-04	Deactivate		Edit	Delete
2753	How do you perform basic string formatting in Java?	String.format("Hello, %s", name)	2024-09-04	Deactivate		Edit	Delete
2754	How do you perform basic string formatting in C++?	std::format("Hello, {}", name)	2024-09-04	Deactivate		Edit	Delete
2755	How do you create a loop in Python?	for item in iterable: # code to execute	2024-09-04	Deactivate		Edit	Delete
2756	How do you create a loop in JavaScript?	for (let i = 0; i < count; i++) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2757	How do you create a loop in Java?	for (int i = 0; i < count; i++) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2758	How do you create a loop in C++?	for (int i = 0; i < count; i++) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2759	How do you use a switch statement in Python?	Python does not have a switch statement. Use if-elif-else instead.	2024-09-04	Deactivate		Edit	Delete
2760	How do you use a switch statement in JavaScript?	switch (expression) { case value1: // code to execute break; case value2: // code to execute break; default: // code to execute }	2024-09-04	Deactivate		Edit	Delete
2761	How do you use a switch statement in Java?	switch (expression) { case value1: // code to execute break; case value2: // code to execute break; default: // code to execute }	2024-09-04	Deactivate		Edit	Delete
2762	How do you use a switch statement in C++?	switch (expression) { case value1: // code to execute break; case value2: // code to execute break; default: // code to execute }	2024-09-04	Deactivate		Edit	Delete
2763	How do you define a function in Python?	def my_function(parameters): # code to execute	2024-09-04	Deactivate		Edit	Delete
2764	How do you define a function in JavaScript?	function myFunction(parameters) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2765	How do you define a function in Java?	returnType myFunction(parameters) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2766	How do you define a function in C++?	returnType myFunction(parameters) { // code to execute }	2024-09-04	Deactivate		Edit	Delete
2767	How do you return a value from a function in Python?	return value	2024-09-04	Deactivate		Edit	Delete
2768	How do you return a value from a function in JavaScript?	return value;	2024-09-04	Deactivate		Edit	Delete
2769	How do you return a value from a function in Java?	return value;	2024-09-04	Deactivate		Edit	Delete
2770	How do you return a value from a function in C++?	return value;	2024-09-04	Deactivate		Edit	Delete
2771	How do you handle exceptions in Python?	try: # code that might raise an exception except ExceptionType as e: # code to handle the exception	2024-09-04	Deactivate		Edit	Delete
2772	How do you handle exceptions in JavaScript?	try { // code that might throw an exception } catch (e) { // code to handle the exception }	2024-09-04	Deactivate		Edit	Delete
2773	How do you handle exceptions in Java?	try { // code that might throw an exception } catch (ExceptionType e) { // code to handle the exception }	2024-09-04	Deactivate		Edit	Delete
2774	How do you handle exceptions in C++?	try { // code that might throw an exception } catch (ExceptionType& e) { // code to handle the exception }	2024-09-04	Deactivate		Edit	Delete
2775	How do you perform unit testing in Python?	import unittest class MyTestCase(unittest.TestCase): def test_something(self): self.assertEqual(1, 1)	2024-09-04	Deactivate		Edit	Delete
2776	How do you perform unit testing in JavaScript?	const assert = require("assert"); describe("MyTestSuite", function() { it("should pass", function() { assert.strictEqual(1, 1); }); });	2024-09-04	Deactivate		Edit	Delete
2777	How do you perform unit testing in Java?	import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.assertEquals; class MyTest { @Test void testSomething() { assertEquals(1, 1); } }	2024-09-04	Deactivate		Edit	Delete
2778	How do you perform unit testing in C++?	#include TEST(MyTestSuite, TestSomething) { EXPECT_EQ(1, 1); }	2024-09-04	Deactivate		Edit	Delete
2779	How do you perform basic debugging in Python?	Use print statements or a debugger like pdb.	2024-09-04	Deactivate		Edit	Delete
2780	How do you perform basic debugging in JavaScript?	Use console.log() statements or a debugger like the one in your browser's developer tools.	2024-09-04	Deactivate		Edit	Delete
2781	How do you perform basic debugging in Java?	Use System.out.println() statements or a debugger in your IDE.	2024-09-04	Deactivate		Edit	Delete
2782	How do you perform basic debugging in C++?	Use std::cout statements or a debugger like gdb.	2024-09-04	Deactivate		Edit	Delete
2783	How do you concatenate strings in Python?	my_string = str1 + str2	2024-09-04	Deactivate		Edit	Delete
2784	How do you concatenate strings in JavaScript?	let myString = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2785	How do you concatenate strings in Java?	String myString = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2786	How do you concatenate strings in C++?	std::string myString = str1 + str2;	2024-09-04	Deactivate		Edit	Delete
2787	How do you check the length of a string in Python?	len(my_string)	2024-09-04	Deactivate		Edit	Delete
2788	How do you check the length of a string in JavaScript?	myString.length	2024-09-04	Deactivate		Edit	Delete
2789	How do you check the length of a string in Java?	myString.length()	2024-09-04	Deactivate		Edit	Delete
2790	How do you check the length of a string in C++?	myString.length()	2024-09-04	Deactivate		Edit	Delete
2791	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2792	How do you sort an array in JavaScript?	myArray.sort()	2024-09-04	Deactivate		Edit	Delete
2793	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-04	Deactivate		Edit	Delete
2794	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2795	How do you append to a list in Python?	my_list.append(item)	2024-09-04	Deactivate		Edit	Delete
2796	How do you append to an array in JavaScript?	myArray.push(item);	2024-09-04	Deactivate		Edit	Delete
2797	How do you append to a list in Java?	myList.add(item);	2024-09-04	Deactivate		Edit	Delete
2798	How do you append to a vector in C++?	myVector.push_back(item);	2024-09-04	Deactivate		Edit	Delete
2799	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-04	Deactivate		Edit	Delete
2800	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
2801	How do you remove an item from a list in Java?	myList.remove(item);	2024-09-04	Deactivate		Edit	Delete
2802	How do you remove an item from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
2803	How do you find an item in a list in Python?	index = my_list.index(item)	2024-09-04	Deactivate		Edit	Delete
2804	How do you find an item in an array in JavaScript?	let index = myArray.indexOf(item);	2024-09-04	Deactivate		Edit	Delete
2805	How do you find an item in a list in Java?	int index = myList.indexOf(item);	2024-09-04	Deactivate		Edit	Delete
2806	How do you find an item in a vector in C++?	auto it = std::find(myVector.begin(), myVector.end(), item);	2024-09-04	Deactivate		Edit	Delete
2807	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
2808	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2809	How do you create a class in Java?	class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2810	How do you create a class in C++?	class MyClass { int value; public: MyClass(int value) : value(value) {} };	2024-09-04	Deactivate		Edit	Delete
2811	How do you inherit a class in Python?	class MyChildClass(MyClass): def __init__(self, value, extra_value): super().__init__(value) self.extra_value = extra_value	2024-09-04	Deactivate		Edit	Delete
2812	How do you inherit a class in JavaScript?	class MyChildClass extends MyClass { constructor(value, extraValue) { super(value); this.extraValue = extraValue; } }	2024-09-04	Deactivate		Edit	Delete
2813	How do you inherit a class in Java?	class MyChildClass extends MyClass { private int extraValue; public MyChildClass(int value, int extraValue) { super(value); this.extraValue = extraValue; } }	2024-09-04	Deactivate		Edit	Delete
2814	How do you inherit a class in C++?	class MyChildClass : public MyClass { int extraValue; public: MyChildClass(int value, int extraValue) : MyClass(value), extraValue(extraValue) {} };	2024-09-04	Deactivate		Edit	Delete
2815	How do you override a method in Python?	class MyChildClass(MyClass): def my_method(self): return "Overridden method"	2024-09-04	Deactivate		Edit	Delete
2816	How do you override a method in JavaScript?	class MyChildClass extends MyClass { myMethod() { return "Overridden method"; } }	2024-09-04	Deactivate		Edit	Delete
2817	How do you override a method in Java?	class MyChildClass extends MyClass { @Override void myMethod() { System.out.println("Overridden method"); } }	2024-09-04	Deactivate		Edit	Delete
2818	How do you override a method in C++?	class MyChildClass : public MyClass { void myMethod() override { std::cout << "Overridden method" << std::endl; } };	2024-09-04	Deactivate		Edit	Delete
2819	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2820	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
2821	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
2822	How do you read a file in C++?	#include std::ifstream file("file.txt"); std::string content; if (file) { std::getline(file, content); }	2024-09-04	Deactivate		Edit	Delete
2823	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, world!")	2024-09-04	Deactivate		Edit	Delete
2824	How do you write to a file in JavaScript?	const fs = require("fs"); fs.writeFile("file.txt", "Hello, world!", (err) => { if (err) throw err; });	2024-09-04	Deactivate		Edit	Delete
2825	How do you write to a file in Java?	import java.io.FileWriter; try (FileWriter writer = new FileWriter("file.txt")) { writer.write("Hello, world!"); }	2024-09-04	Deactivate		Edit	Delete
2826	How do you write to a file in C++?	#include std::ofstream file("file.txt"); if (file) { file << "Hello, world!"; }	2024-09-04	Deactivate		Edit	Delete
2827	How do you create an array in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2828	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2829	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2830	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2831	How do you iterate over an array in Python?	for item in my_list: print(item)	2024-09-04	Deactivate		Edit	Delete
2832	How do you iterate over an array in JavaScript?	myArray.forEach(item => { console.log(item); });	2024-09-04	Deactivate		Edit	Delete
2833	How do you iterate over an array in Java?	for (int item : myArray) { System.out.println(item); }	2024-09-04	Deactivate		Edit	Delete
2834	How do you iterate over an array in C++?	for (int item : myArray) { std::cout << item << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2835	How do you perform a linear search in Python?	for index, item in enumerate(my_list): if item == search_value: return index	2024-09-04	Deactivate		Edit	Delete
2836	How do you perform a linear search in JavaScript?	for (let i = 0; i < myArray.length; i++) { if (myArray[i] === searchValue) { return i; } }	2024-09-04	Deactivate		Edit	Delete
2837	How do you perform a linear search in Java?	for (int i = 0; i < myArray.length; i++) { if (myArray[i] == searchValue) { return i; } }	2024-09-04	Deactivate		Edit	Delete
2838	How do you perform a linear search in C++?	for (int i = 0; i < myArray.size(); i++) { if (myArray[i] == searchValue) { return i; } }	2024-09-04	Deactivate		Edit	Delete
2839	How do you perform a binary search in Python?	import bisect index = bisect.bisect_left(my_list, search_value)	2024-09-04	Deactivate		Edit	Delete
2840	How do you perform a binary search in JavaScript?	function binarySearch(arr, target) { let left = 0, right = arr.length - 1; while (left <= right) { let mid = Math.floor((left + right) / 2); if (arr[mid] === target) { return mid; } if (arr[mid] < target) { left = mid + 1; } else { right = mid - 1; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
2841	How do you perform a binary search in Java?	int binarySearch(int[] arr, int target) { int left = 0, right = arr.length - 1; while (left <= right) { int mid = left + (right - left) / 2; if (arr[mid] == target) { return mid; } if (arr[mid] < target) { left = mid + 1; } else { right = mid - 1; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
2842	How do you perform a binary search in C++?	int binarySearch(std::vector& arr, int target) { int left = 0, right = arr.size() - 1; while (left <= right) { int mid = left + (right - left) / 2; if (arr[mid] == target) { return mid; } if (arr[mid] < target) { left = mid + 1; } else { right = mid - 1; } } return -1; }	2024-09-04	Deactivate		Edit	Delete
2843	How do you handle exceptions in Python?	try: # code that may raise an exception except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
2844	How do you handle exceptions in JavaScript?	try { // code that may throw an error } catch (e) { // handle error }	2024-09-04	Deactivate		Edit	Delete
2845	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2846	How do you handle exceptions in C++?	try { // code that may throw an exception } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2847	How do you check if a file exists in Python?	import os os.path.exists("file.txt")	2024-09-04	Deactivate		Edit	Delete
2848	How do you check if a file exists in JavaScript?	const fs = require("fs"); fs.access("file.txt", fs.constants.F_OK, (err) => { if (err) { console.log("File does not exist"); } else { console.log("File exists"); } });	2024-09-04	Deactivate		Edit	Delete
2849	How do you check if a file exists in Java?	import java.io.File; File file = new File("file.txt"); if (file.exists()) { System.out.println("File exists"); } else { System.out.println("File does not exist"); }	2024-09-04	Deactivate		Edit	Delete
2850	How do you check if a file exists in C++?	#include std::ifstream file("file.txt"); if (file) { std::cout << "File exists" << std::endl; } else { std::cout << "File does not exist" << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2851	How do you create a thread in Python?	import threading class MyThread(threading.Thread): def run(self): print("Thread running") thread = MyThread() thread.start()	2024-09-04	Deactivate		Edit	Delete
2852	How do you create a thread in JavaScript?	const thread = new Worker("worker.js");	2024-09-04	Deactivate		Edit	Delete
2853	How do you create a thread in Java?	class MyThread extends Thread { public void run() { System.out.println("Thread running"); } } MyThread thread = new MyThread(); thread.start();	2024-09-04	Deactivate		Edit	Delete
2854	How do you create a thread in C++?	#include void myFunction() { std::cout << "Thread running" << std::endl; } std::thread t(myFunction);	2024-09-04	Deactivate		Edit	Delete
2855	How do you synchronize threads in Python?	import threading lock = threading.Lock() def thread_safe_function(): with lock: # critical section	2024-09-04	Deactivate		Edit	Delete
2856	How do you synchronize threads in JavaScript?	const mutex = new Mutex(); await mutex.lock(); // critical section mutex.unlock();	2024-09-04	Deactivate		Edit	Delete
2857	How do you synchronize threads in Java?	import java.util.concurrent.locks.ReentrantLock; ReentrantLock lock = new ReentrantLock(); void threadSafeMethod() { lock.lock(); try { // critical section } finally { lock.unlock(); } }	2024-09-04	Deactivate		Edit	Delete
2858	How do you synchronize threads in C++?	#include std::mutex mtx; void threadSafeFunction() { std::lock_guard lock(mtx); // critical section }	2024-09-04	Deactivate		Edit	Delete
2859	How do you perform a database query in Python?	import sqlite3 conn = sqlite3.connect("example.db") cursor = conn.cursor() cursor.execute("SELECT * FROM table") rows = cursor.fetchall() conn.close()	2024-09-04	Deactivate		Edit	Delete
2860	How do you perform a database query in JavaScript?	const { Client } = require("pg"); const client = new Client(); client.connect(); client.query("SELECT * FROM table", (err, res) => { if (err) throw err; console.log(res.rows); client.end(); });	2024-09-04	Deactivate		Edit	Delete
2861	How do you perform a database query in Java?	import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; Connection conn = DriverManager.getConnection("jdbc:example"); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT * FROM table"); while (rs.next()) { System.out.println(rs.getString("column")); } conn.close();	2024-09-04	Deactivate		Edit	Delete
2862	How do you perform a database query in C++?	#include sqlite3 *db; sqlite3_open("example.db", &db); char *errMsg; const char *sql = "SELECT * FROM table"; sqlite3_exec(db, sql, callback, 0, &errMsg); if (errMsg) { std::cerr << errMsg << std::endl; sqlite3_free(errMsg); } sqlite3_close(db);	2024-09-04	Deactivate		Edit	Delete
2863	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value	2024-09-04	Deactivate		Edit	Delete
2864	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2865	How do you create a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } }	2024-09-04	Deactivate		Edit	Delete
2866	How do you create a class in C++?	class MyClass { int value; public: MyClass(int v) : value(v) {} };	2024-09-04	Deactivate		Edit	Delete
2867	How do you inherit a class in Python?	class MySubClass(MyClass): def __init__(self, value, extra): super().__init__(value) self.extra = extra	2024-09-04	Deactivate		Edit	Delete
2868	How do you inherit a class in JavaScript?	class MySubClass extends MyClass { constructor(value, extra) { super(value); this.extra = extra; } }	2024-09-04	Deactivate		Edit	Delete
2869	How do you inherit a class in Java?	public class MySubClass extends MyClass { private int extra; public MySubClass(int value, int extra) { super(value); this.extra = extra; } }	2024-09-04	Deactivate		Edit	Delete
2870	How do you inherit a class in C++?	class MySubClass : public MyClass { int extra; public: MySubClass(int v, int e) : MyClass(v), extra(e) {} };	2024-09-04	Deactivate		Edit	Delete
2871	How do you define a method in Python?	def my_method(self, arg): # method code	2024-09-04	Deactivate		Edit	Delete
2872	How do you define a method in JavaScript?	myMethod(arg) { // method code }	2024-09-04	Deactivate		Edit	Delete
2873	How do you define a method in Java?	public void myMethod(int arg) { // method code }	2024-09-04	Deactivate		Edit	Delete
2874	How do you define a method in C++?	void myMethod(int arg) { // method code }	2024-09-04	Deactivate		Edit	Delete
2875	How do you create an object in Python?	obj = MyClass(value)	2024-09-04	Deactivate		Edit	Delete
2876	How do you create an object in JavaScript?	const obj = new MyClass(value);	2024-09-04	Deactivate		Edit	Delete
2877	How do you create an object in Java?	MyClass obj = new MyClass(value);	2024-09-04	Deactivate		Edit	Delete
2878	How do you create an object in C++?	MyClass obj(value);	2024-09-04	Deactivate		Edit	Delete
2879	How do you access a class member in Python?	obj.value	2024-09-04	Deactivate		Edit	Delete
2880	How do you access a class member in JavaScript?	obj.value;	2024-09-04	Deactivate		Edit	Delete
2881	How do you access a class member in Java?	obj.value;	2024-09-04	Deactivate		Edit	Delete
2882	How do you access a class member in C++?	obj.value;	2024-09-04	Deactivate		Edit	Delete
2883	How do you use a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
2884	How do you use an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
2885	How do you use an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2886	How do you use a vector in C++?	#include std::vector myVector = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2887	How do you add an element to a list in Python?	my_list.append(element)	2024-09-04	Deactivate		Edit	Delete
2888	How do you add an element to an array in JavaScript?	myArray.push(element);	2024-09-04	Deactivate		Edit	Delete
2889	How do you add an element to an array in Java?	myArray[myArray.length] = element;	2024-09-04	Deactivate		Edit	Delete
2890	How do you add an element to a vector in C++?	myVector.push_back(element);	2024-09-04	Deactivate		Edit	Delete
2891	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-04	Deactivate		Edit	Delete
2892	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-04	Deactivate		Edit	Delete
2893	How do you remove an element from an array in Java?	for (int i = 0; i < myArray.length; i++) { if (myArray[i] == element) { // shift elements left } }	2024-09-04	Deactivate		Edit	Delete
2894	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-04	Deactivate		Edit	Delete
2895	How do you iterate over a list in Python?	for item in my_list: print(item)	2024-09-04	Deactivate		Edit	Delete
2896	How do you iterate over an array in JavaScript?	myArray.forEach(item => console.log(item));	2024-09-04	Deactivate		Edit	Delete
2897	How do you iterate over an array in Java?	for (int item : myArray) { System.out.println(item); }	2024-09-04	Deactivate		Edit	Delete
2898	How do you iterate over a vector in C++?	for (int item : myVector) { std::cout << item << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2899	How do you handle exceptions in Python?	try: # code except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
2900	How do you handle exceptions in JavaScript?	try { // code } catch (e) { console.error(e); }	2024-09-04	Deactivate		Edit	Delete
2901	How do you handle exceptions in Java?	try { // code } catch (Exception e) { e.printStackTrace(); }	2024-09-04	Deactivate		Edit	Delete
2902	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { std::cerr << e.what() << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2903	How do you connect to a database in Python?	import sqlite3 conn = sqlite3.connect("example.db")	2024-09-04	Deactivate		Edit	Delete
2904	How do you connect to a database in JavaScript?	const { Client } = require("pg"); const client = new Client(); client.connect();	2024-09-04	Deactivate		Edit	Delete
2905	How do you connect to a database in Java?	Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb", "user", "password");	2024-09-04	Deactivate		Edit	Delete
2906	How do you connect to a database in C++?	#include sqlite3 *db; sqlite3_open("example.db", &db);	2024-09-04	Deactivate		Edit	Delete
2907	How do you execute a query in Python?	cursor.execute("SELECT * FROM table")	2024-09-04	Deactivate		Edit	Delete
2908	How do you execute a query in JavaScript?	client.query("SELECT * FROM table", (err, res) => { /* handle result */ });	2024-09-04	Deactivate		Edit	Delete
2909	How do you execute a query in Java?	Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT * FROM table");	2024-09-04	Deactivate		Edit	Delete
2910	How do you execute a query in C++?	char *sql = "SELECT * FROM table"; sqlite3_exec(db, sql, callback, 0, &errMsg);	2024-09-04	Deactivate		Edit	Delete
2911	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2912	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { /* handle data */ });	2024-09-04	Deactivate		Edit	Delete
2913	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
2914	How do you read a file in C++?	#include std::ifstream file("file.txt"); std::string content((std::istreambuf_iterator(file)), std::istreambuf_iterator());	2024-09-04	Deactivate		Edit	Delete
2915	How do you write to a file in Python?	with open("file.txt", "w") as file: file.write("Hello, World!")	2024-09-04	Deactivate		Edit	Delete
2916	How do you write to a file in JavaScript?	const fs = require("fs"); fs.writeFile("file.txt", "Hello, World!", (err) => { /* handle err */ });	2024-09-04	Deactivate		Edit	Delete
2917	How do you write to a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; Files.write(Paths.get("file.txt"), "Hello, World!".getBytes());	2024-09-04	Deactivate		Edit	Delete
2918	How do you write to a file in C++?	#include std::ofstream file("file.txt"); file << "Hello, World!";	2024-09-04	Deactivate		Edit	Delete
2919	How do you sort a list in Python?	my_list.sort()	2024-09-04	Deactivate		Edit	Delete
2920	How do you sort an array in JavaScript?	myArray.sort();	2024-09-04	Deactivate		Edit	Delete
2921	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-04	Deactivate		Edit	Delete
2922	How do you sort a vector in C++?	#include std::sort(myVector.begin(), myVector.end());	2024-09-04	Deactivate		Edit	Delete
2923	How do you create a for loop in Python?	for i in range(10): print(i)	2024-09-04	Deactivate		Edit	Delete
2924	How do you create a for loop in JavaScript?	for (let i = 0; i < 10; i++) { console.log(i); }	2024-09-04	Deactivate		Edit	Delete
2925	How do you create a for loop in Java?	for (int i = 0; i < 10; i++) { System.out.println(i); }	2024-09-04	Deactivate		Edit	Delete
2926	How do you create a for loop in C++?	for (int i = 0; i < 10; i++) { std::cout << i << std::endl; }	2024-09-04	Deactivate		Edit	Delete
2927	How do you create a while loop in Python?	while condition: # code	2024-09-04	Deactivate		Edit	Delete
2928	How do you create a while loop in JavaScript?	while (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
2929	How do you create a while loop in Java?	while (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
2930	How do you create a while loop in C++?	while (condition) { // code }	2024-09-04	Deactivate		Edit	Delete
2931	How do you use recursion in Python?	def factorial(n): if n == 0: return 1 else: return n * factorial(n-1)	2024-09-04	Deactivate		Edit	Delete
2932	How do you use recursion in JavaScript?	function factorial(n) { if (n === 0) { return 1; } else { return n * factorial(n - 1); } }	2024-09-04	Deactivate		Edit	Delete
2933	How do you use recursion in Java?	int factorial(int n) { if (n == 0) { return 1; } else { return n * factorial(n - 1); } }	2024-09-04	Deactivate		Edit	Delete
2934	How do you use recursion in C++?	int factorial(int n) { if (n == 0) { return 1; } else { return n * factorial(n - 1); } }	2024-09-04	Deactivate		Edit	Delete
2935	How do you write a switch statement in Python?	Python does not have a switch statement; use if-elif-else instead.	2024-09-04	Deactivate		Edit	Delete
2936	How do you write a switch statement in JavaScript?	switch (value) { case 1: // code break; default: // code }	2024-09-04	Deactivate		Edit	Delete
2937	How do you write a switch statement in Java?	switch (value) { case 1: // code break; default: // code }	2024-09-04	Deactivate		Edit	Delete
2938	How do you write a switch statement in C++?	switch (value) { case 1: // code break; default: // code }	2024-09-04	Deactivate		Edit	Delete
2939	How do you use a hash map in Python?	my_dict = {"key": "value"}	2024-09-04	Deactivate		Edit	Delete
2940	How do you use a hash map in JavaScript?	const myMap = new Map(); myMap.set("key", "value");	2024-09-04	Deactivate		Edit	Delete
2941	How do you use a hash map in Java?	import java.util.HashMap; HashMap myMap = new HashMap<>(); myMap.put("key", "value");	2024-09-04	Deactivate		Edit	Delete
2942	How do you use a hash map in C++?	#include std::unordered_map myMap; myMap["key"] = "value";	2024-09-04	Deactivate		Edit	Delete
2943	How do you use a set in Python?	my_set = {1, 2, 3}	2024-09-04	Deactivate		Edit	Delete
2944	How do you use a set in JavaScript?	const mySet = new Set([1, 2, 3]);	2024-09-04	Deactivate		Edit	Delete
2945	How do you use a set in Java?	import java.util.HashSet; HashSet mySet = new HashSet<>(Arrays.asList(1, 2, 3));	2024-09-04	Deactivate		Edit	Delete
2946	How do you use a set in C++?	#include std::set mySet = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
2947	How do you use a queue in Python?	from collections import deque my_queue = deque()	2024-09-04	Deactivate		Edit	Delete
2948	How do you use a queue in JavaScript?	const myQueue = []; myQueue.push(item); myQueue.shift();	2024-09-04	Deactivate		Edit	Delete
2949	How do you use a queue in Java?	import java.util.LinkedList; LinkedList myQueue = new LinkedList<>(); myQueue.add(1); myQueue.remove();	2024-09-04	Deactivate		Edit	Delete
2950	How do you use a queue in C++?	#include std::queue myQueue; myQueue.push(1); myQueue.pop();	2024-09-04	Deactivate		Edit	Delete
2951	How do you use a stack in Python?	my_stack = [] my_stack.append(item) my_stack.pop()	2024-09-04	Deactivate		Edit	Delete
2952	How do you use a stack in JavaScript?	const myStack = []; myStack.push(item); myStack.pop();	2024-09-04	Deactivate		Edit	Delete
2953	How do you use a stack in Java?	import java.util.Stack; Stack myStack = new Stack<>(); myStack.push(1); myStack.pop();	2024-09-04	Deactivate		Edit	Delete
2954	How do you use a stack in C++?	#include std::stack myStack; myStack.push(1); myStack.pop();	2024-09-04	Deactivate		Edit	Delete
2955	How do you use a linked list in Python?	class Node: def __init__(self, value): self.value = value self.next = None class LinkedList: def __init__(self): self.head = None	2024-09-04	Deactivate		Edit	Delete
2956	How do you use a linked list in JavaScript?	class Node { constructor(value) { this.value = value; this.next = null; } } class LinkedList { constructor() { this.head = null; } }	2024-09-04	Deactivate		Edit	Delete
2957	How do you use a linked list in Java?	class Node { int value; Node next; Node(int value) { this.value = value; this.next = null; } } class LinkedList { Node head; LinkedList() { this.head = null; } }	2024-09-04	Deactivate		Edit	Delete
2958	How do you use a linked list in C++?	#include class Node { public: int value; Node* next; Node(int value) : value(value), next(nullptr) {} }; class LinkedList { public: Node* head; LinkedList() : head(nullptr) {} };	2024-09-04	Deactivate		Edit	Delete
2959	How do you define a function in Python?	def my_function(param): # code	2024-09-04	Deactivate		Edit	Delete
2960	How do you define a function in JavaScript?	function myFunction(param) { // code }	2024-09-04	Deactivate		Edit	Delete
2961	How do you define a function in Java?	public void myFunction(Type param) { // code }	2024-09-04	Deactivate		Edit	Delete
2962	How do you define a function in C++?	void myFunction(Type param) { // code }	2024-09-04	Deactivate		Edit	Delete
2963	How do you create a class in Python?	class MyClass: def __init__(self, param): self.param = param	2024-09-04	Deactivate		Edit	Delete
2964	How do you create a class in JavaScript?	class MyClass { constructor(param) { this.param = param; } }	2024-09-04	Deactivate		Edit	Delete
2965	How do you create a class in Java?	public class MyClass { private Type param; public MyClass(Type param) { this.param = param; } }	2024-09-04	Deactivate		Edit	Delete
2966	How do you create a class in C++?	class MyClass { public: MyClass(Type param) : param(param) {} private: Type param; };	2024-09-04	Deactivate		Edit	Delete
2967	How do you handle exceptions in Python?	try: # code except Exception as e: # handle exception	2024-09-04	Deactivate		Edit	Delete
2968	How do you handle exceptions in JavaScript?	try { // code } catch (e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2969	How do you handle exceptions in Java?	try { // code } catch (Exception e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2970	How do you handle exceptions in C++?	try { // code } catch (const std::exception& e) { // handle exception }	2024-09-04	Deactivate		Edit	Delete
2971	How do you use list comprehension in Python?	[x for x in range(10) if x % 2 == 0]	2024-09-04	Deactivate		Edit	Delete
2972	How do you use array methods in JavaScript?	const myArray = [1, 2, 3]; myArray.map(x => x * 2);	2024-09-04	Deactivate		Edit	Delete
2973	How do you use Streams in Java?	List myList = Arrays.asList(1, 2, 3); myList.stream().filter(x -> x % 2 == 0).collect(Collectors.toList());	2024-09-04	Deactivate		Edit	Delete
2974	How do you use STL algorithms in C++?	#include #include std::vector v = {1, 2, 3}; std::sort(v.begin(), v.end());	2024-09-04	Deactivate		Edit	Delete
2975	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read()	2024-09-04	Deactivate		Edit	Delete
2976	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { /* handle data */ });	2024-09-04	Deactivate		Edit	Delete
2977	How do you read a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; String content = new String(Files.readAllBytes(Paths.get("file.txt")));	2024-09-04	Deactivate		Edit	Delete
2978	How do you read a file in C++?	#include #include std::ifstream file("file.txt"); std::string content; std::getline(file, content);	2024-09-04	Deactivate		Edit	Delete
2979	How do you append to a file in Python?	with open("file.txt", "a") as file: file.write("New line")	2024-09-04	Deactivate		Edit	Delete
2980	How do you append to a file in JavaScript?	const fs = require("fs"); fs.appendFile("file.txt", "New line", (err) => { /* handle err */ });	2024-09-04	Deactivate		Edit	Delete
2981	How do you append to a file in Java?	import java.nio.file.Files; import java.nio.file.Paths; import java.nio.file.StandardOpenOption; Files.write(Paths.get("file.txt"), "New line".getBytes(), StandardOpenOption.APPEND);	2024-09-04	Deactivate		Edit	Delete
2982	How do you append to a file in C++?	#include std::ofstream file("file.txt", std::ios::app); file << "New line";	2024-09-04	Deactivate		Edit	Delete
2983	How do you create a thread in Python?	import threading class MyThread(threading.Thread): def run(self): # code thread = MyThread() thread.start()	2024-09-04	Deactivate		Edit	Delete
2984	How do you create a thread in JavaScript?	const worker = new Worker("worker.js");	2024-09-04	Deactivate		Edit	Delete
2985	How do you create a thread in Java?	public class MyThread extends Thread { public void run() { // code } } MyThread thread = new MyThread(); thread.start();	2024-09-04	Deactivate		Edit	Delete
2986	How do you create a thread in C++?	#include void myFunction() { // code } std::thread t(myFunction); t.join();	2024-09-04	Deactivate		Edit	Delete
2987	How do you perform a GET request in Python?	import requests response = requests.get("https://example.com") print(response.text)	2024-09-04	Deactivate		Edit	Delete
2988	How do you perform a GET request in JavaScript?	fetch("https://example.com") .then(response => response.text()) .then(data => console.log(data));	2024-09-04	Deactivate		Edit	Delete
2989	How do you perform a GET request in Java?	import java.net.HttpURLConnection; import java.net.URL; URL url = new URL("https://example.com"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("GET");	2024-09-04	Deactivate		Edit	Delete
2990	How do you perform a GET request in C++?	#include CURL *curl = curl_easy_init(); curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); curl_easy_perform(curl); curl_easy_cleanup(curl);	2024-09-04	Deactivate		Edit	Delete
2991	How do you handle JSON in Python?	import json data = json.loads('{"key": "value"}') print(data["key"])	2024-09-04	Deactivate		Edit	Delete
2992	How do you handle JSON in JavaScript?	const data = JSON.parse('{"key": "value"}'); console.log(data.key);	2024-09-04	Deactivate		Edit	Delete
2993	How do you handle JSON in Java?	import org.json.JSONObject; JSONObject json = new JSONObject("{"key": "value"}"); System.out.println(json.getString("key"));	2024-09-04	Deactivate		Edit	Delete
2994	How do you handle JSON in C++?	#include nlohmann::json json = nlohmann::json::parse("{"key": "value"}"); std::cout << json["key"] << std::endl;	2024-09-04	Deactivate		Edit	Delete
2995	How do you implement a binary search algorithm in Python?	def binary_search(arr, target): left, right = 0, len(arr) - 1 while left <= right: mid = (left + right) // 2 if arr[mid] == target: return mid elif arr[mid] < target: left = mid + 1 else: right = mid - 1 return -1	2024-09-04	Deactivate		Edit	Delete
2996	How do you implement a binary search algorithm in JavaScript?	function binarySearch(arr, target) { let left = 0, right = arr.length - 1; while (left <= right) { const mid = Math.floor((left + right) / 2); if (arr[mid] === target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; }	2024-09-04	Deactivate		Edit	Delete
2997	How do you implement a binary search algorithm in Java?	public int binarySearch(int[] arr, int target) { int left = 0, right = arr.length - 1; while (left <= right) { int mid = (left + right) / 2; if (arr[mid] == target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; }	2024-09-04	Deactivate		Edit	Delete
2998	How do you implement a binary search algorithm in C++?	#include int binarySearch(const std::vector& arr, int target) { int left = 0, right = arr.size() - 1; while (left <= right) { int mid = left + (right - left) / 2; if (arr[mid] == target) return mid; if (arr[mid] < target) left = mid + 1; else right = mid - 1; } return -1; }	2024-09-04	Deactivate		Edit	Delete
2999	How do you sort an array in Python?	arr.sort()	2024-09-04	Deactivate		Edit	Delete
3000	How do you sort an array in JavaScript?	const sortedArr = arr.sort((a, b) => a - b);	2024-09-04	Deactivate		Edit	Delete
3001	How do you sort an array in Java?	Arrays.sort(arr);	2024-09-04	Deactivate		Edit	Delete
3002	How do you sort an array in C++?	#include std::sort(arr.begin(), arr.end());	2024-09-04	Deactivate		Edit	Delete
3003	How do you create a GUI application in Python?	import tkinter as tk root = tk.Tk() root.title("My App") root.mainloop()	2024-09-04	Deactivate		Edit	Delete
3004	How do you create a GUI application in JavaScript?	const { app, BrowserWindow } = require("electron"); let mainWindow; function createWindow() { mainWindow = new BrowserWindow({ width: 800, height: 600, }); mainWindow.loadFile("index.html"); } app.whenReady().then(createWindow);	2024-09-04	Deactivate		Edit	Delete
3005	How do you create a GUI application in Java?	import javax.swing.JFrame; public class MyApp { public static void main(String[] args) { JFrame frame = new JFrame("My App"); frame.setSize(800, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } }	2024-09-04	Deactivate		Edit	Delete
3006	How do you create a GUI application in C++?	#include #include int main(int argc, char *argv[]) { QApplication app(argc, argv); QWidget window; window.setWindowTitle("My App"); window.resize(800, 600); window.show(); return app.exec(); }	2024-09-04	Deactivate		Edit	Delete
3007	How do you create a simple web server in Python?	from http.server import SimpleHTTPRequestHandler, HTTPServer server = HTTPServer(("", 8000), SimpleHTTPRequestHandler) server.serve_forever()	2024-09-04	Deactivate		Edit	Delete
3008	How do you create a simple web server in JavaScript?	const http = require("http"); const server = http.createServer((req, res) => { res.statusCode = 200; res.setHeader("Content-Type", "text/plain"); res.end("Hello World\n"); }); server.listen(3000, () => { console.log("Server running at http://127.0.0.1:3000/"); });	2024-09-04	Deactivate		Edit	Delete
3009	How do you create a simple web server in Java?	import com.sun.net.httpserver.HttpServer; import com.sun.net.httpserver.HttpHandler; import com.sun.net.httpserver.HttpExchange; public class MyServer { public static void main(String[] args) throws Exception { HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0); server.createContext("/", new MyHandler()); server.start(); } } class MyHandler implements HttpHandler { @Override public void handle(HttpExchange exchange) throws IOException { String response = "Hello World"; exchange.sendResponseHeaders(200, response.getBytes().length); OutputStream os = exchange.getResponseBody(); os.write(response.getBytes()); os.close(); } }	2024-09-04	Deactivate		Edit	Delete
3010	How do you create a simple web server in C++?	#include #include using boost::asio::ip::tcp; int main() { boost::asio::io_context io_context; tcp::acceptor acceptor(io_context, tcp::endpoint(tcp::v4(), 8000)); tcp::socket socket(io_context); acceptor.accept(socket); std::string message = "Hello World\n"; boost::asio::write(socket, boost::asio::buffer(message)); return 0; }	2024-09-04	Deactivate		Edit	Delete
3011	How do you perform unit testing in Python?	import unittest class MyTest(unittest.TestCase): def test_example(self): self.assertEqual(1 + 1, 2) if __name__ == "__main__": unittest.main()	2024-09-04	Deactivate		Edit	Delete
3012	How do you perform unit testing in JavaScript?	const assert = require("assert"); function test() { assert.strictEqual(1 + 1, 2); } test();	2024-09-04	Deactivate		Edit	Delete
3013	How do you perform unit testing in Java?	import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.assertEquals; public class MyTest { @Test public void testExample() { assertEquals(2, 1 + 1); } }	2024-09-04	Deactivate		Edit	Delete
3014	How do you perform unit testing in C++?	#include TEST(MyTest, Example) { EXPECT_EQ(2, 1 + 1); } int main(int argc, char **argv) { ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); }	2024-09-04	Deactivate		Edit	Delete
3015	How do you connect to a database in Python?	import sqlite3 conn = sqlite3.connect("example.db") cursor = conn.cursor()	2024-09-04	Deactivate		Edit	Delete
3016	How do you connect to a database in JavaScript?	const mysql = require("mysql"); const connection = mysql.createConnection({ host: "localhost", user: "root", password: "", database: "example" }); connection.connect();	2024-09-04	Deactivate		Edit	Delete
3017	How do you connect to a database in Java?	import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class MyDatabase { public static void main(String[] args) throws SQLException { Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/example", "root", ""); } }	2024-09-04	Deactivate		Edit	Delete
3018	How do you connect to a database in C++?	#include #include sql::mysql::MySQL_Driver *driver; sql::Connection *con; driver = sql::mysql::get_mysql_driver_instance(); con = driver->connect("tcp://127.0.0.1:3306", "root", "");	2024-09-04	Deactivate		Edit	Delete
3019	How do you use environment variables in Python?	import os api_key = os.getenv("API_KEY")	2024-09-04	Deactivate		Edit	Delete
3020	How do you use environment variables in JavaScript?	const apiKey = process.env.API_KEY;	2024-09-04	Deactivate		Edit	Delete
3021	How do you use environment variables in Java?	import java.lang.System; String apiKey = System.getenv("API_KEY");	2024-09-04	Deactivate		Edit	Delete
3022	How do you use environment variables in C++?	#include const char* apiKey = std::getenv("API_KEY");	2024-09-04	Deactivate		Edit	Delete
3023	How do you handle exceptions in Python?	try: # code except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
3024	How do you handle exceptions in JavaScript?	try { // code } catch (e) { console.error(e); }	2024-09-04	Deactivate		Edit	Delete
3025	How do you handle exceptions in Java?	try { // code } catch (Exception e) { e.printStackTrace(); }	2024-09-04	Deactivate		Edit	Delete
3026	How do you handle exceptions in C++?	#include try { // code } catch (const std::exception& e) { std::cerr << e.what() << std::endl; }	2024-09-04	Deactivate		Edit	Delete
3027	How do you implement a stack in Python?	class Stack: def __init__(self): self.items = [] def push(self, item): self.items.append(item) def pop(self): return self.items.pop() def peek(self): return self.items[-1] def is_empty(self): return len(self.items) == 0	2024-09-04	Deactivate		Edit	Delete
3028	How do you implement a stack in JavaScript?	class Stack { constructor() { this.items = []; } push(item) { this.items.push(item); } pop() { return this.items.pop(); } peek() { return this.items[this.items.length - 1]; } isEmpty() { return this.items.length === 0; } }	2024-09-04	Deactivate		Edit	Delete
3029	How do you implement a stack in Java?	import java.util.Stack; public class Main { public static void main(String[] args) { Stack stack = new Stack<>(); stack.push(1); stack.push(2); System.out.println(stack.pop()); } }	2024-09-04	Deactivate		Edit	Delete
3030	How do you implement a stack in C++?	#include #include int main() { std::stack stack; stack.push(1); stack.push(2); std::cout << stack.top() << std::endl; stack.pop(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3031	How do you implement a queue in Python?	from collections import deque class Queue: def __init__(self): self.items = deque() def enqueue(self, item): self.items.append(item) def dequeue(self): return self.items.popleft() def is_empty(self): return len(self.items) == 0	2024-09-04	Deactivate		Edit	Delete
3032	How do you implement a queue in JavaScript?	class Queue { constructor() { this.items = []; } enqueue(item) { this.items.push(item); } dequeue() { return this.items.shift(); } isEmpty() { return this.items.length === 0; } }	2024-09-04	Deactivate		Edit	Delete
3033	How do you implement a queue in Java?	import java.util.LinkedList; import java.util.Queue; public class Main { public static void main(String[] args) { Queue queue = new LinkedList<>(); queue.add(1); queue.add(2); System.out.println(queue.poll()); } }	2024-09-04	Deactivate		Edit	Delete
3034	How do you implement a queue in C++?	#include #include int main() { std::queue queue; queue.push(1); queue.push(2); std::cout << queue.front() << std::endl; queue.pop(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3035	How do you implement a linked list in Python?	class Node: def __init__(self, data=None): self.data = data self.next = None class LinkedList: def __init__(self): self.head = None def append(self, data): new_node = Node(data) if self.head is None: self.head = new_node return last = self.head while last.next: last = last.next last.next = new_node	2024-09-04	Deactivate		Edit	Delete
3036	How do you implement a linked list in JavaScript?	class Node { constructor(data) { this.data = data; this.next = null; } } class LinkedList { constructor() { this.head = null; } append(data) { const newNode = new Node(data); if (this.head === null) { this.head = newNode; return; } let current = this.head; while (current.next !== null) { current = current.next; } current.next = newNode; } }	2024-09-04	Deactivate		Edit	Delete
3037	How do you implement a linked list in Java?	public class Node { int data; Node next; Node(int data) { this.data = data; this.next = null; } } public class LinkedList { Node head; LinkedList() { this.head = null; } void append(int data) { Node newNode = new Node(data); if (head == null) { head = newNode; return; } Node last = head; while (last.next != null) { last = last.next; } last.next = newNode; } }	2024-09-04	Deactivate		Edit	Delete
3038	How do you implement a linked list in C++?	#include class Node { public: int data; Node* next; Node(int data) : data(data), next(nullptr) {} }; class LinkedList { public: Node* head; LinkedList() : head(nullptr) {} void append(int data) { Node* newNode = new Node(data); if (!head) { head = newNode; return; } Node* last = head; while (last->next) { last = last->next; } last->next = newNode; } };	2024-09-04	Deactivate		Edit	Delete
3039	How do you implement a binary tree in Python?	class Node: def __init__(self, key): self.left = None self.right = None self.value = key class BinaryTree: def __init__(self): self.root = None def insert(self, key): if self.root is None: self.root = Node(key) else: self._insert(self.root, key) def _insert(self, node, key): if key < node.value: if node.left is None: node.left = Node(key) else: self._insert(node.left, key) else: if node.right is None: node.right = Node(key) else: self._insert(node.right, key)	2024-09-04	Deactivate		Edit	Delete
3040	How do you implement a binary tree in JavaScript?	class Node { constructor(key) { this.left = null; this.right = null; this.value = key; } } class BinaryTree { constructor() { this.root = null; } insert(key) { if (this.root === null) { this.root = new Node(key); } else { this._insert(this.root, key); } } _insert(node, key) { if (key < node.value) { if (node.left === null) { node.left = new Node(key); } else { this._insert(node.left, key); } } else { if (node.right === null) { node.right = new Node(key); } else { this._insert(node.right, key); } } } }	2024-09-04	Deactivate		Edit	Delete
3041	How do you implement a binary tree in Java?	class Node { int key; Node left, right; Node(int item) { key = item; left = right = null; } } class BinaryTree { Node root; BinaryTree() { root = null; } void insert(int key) { root = insertRec(root, key); } Node insertRec(Node root, int key) { if (root == null) { root = new Node(key); return root; } if (key < root.key) { root.left = insertRec(root.left, key); } else if (key > root.key) { root.right = insertRec(root.right, key); } return root; } }	2024-09-04	Deactivate		Edit	Delete
3042	How do you implement a binary tree in C++?	#include class Node { public: int key; Node* left; Node* right; Node(int item) : key(item), left(nullptr), right(nullptr) {} }; class BinaryTree { public: Node* root; BinaryTree() : root(nullptr) {} void insert(int key) { root = insertRec(root, key); } Node* insertRec(Node* root, int key) { if (root == nullptr) { root = new Node(key); return root; } if (key < root->key) { root->left = insertRec(root->left, key); } else if (key > root->key) { root->right = insertRec(root->right, key); } return root; } };	2024-09-04	Deactivate		Edit	Delete
3043	How do you traverse a binary tree in Python (in-order)?	def in_order_traversal(node): if node: in_order_traversal(node.left) print(node.value) in_order_traversal(node.right)	2024-09-04	Deactivate		Edit	Delete
3044	How do you traverse a binary tree in JavaScript (in-order)?	function inOrderTraversal(node) { if (node) { inOrderTraversal(node.left); console.log(node.value); inOrderTraversal(node.right); } }	2024-09-04	Deactivate		Edit	Delete
3045	How do you traverse a binary tree in Java (in-order)?	void inOrderTraversal(Node root) { if (root != null) { inOrderTraversal(root.left); System.out.println(root.key); inOrderTraversal(root.right); } }	2024-09-04	Deactivate		Edit	Delete
3046	How do you traverse a binary tree in C++ (in-order)?	#include void inOrderTraversal(Node* root) { if (root != nullptr) { inOrderTraversal(root->left); std::cout << root->key << std::endl; inOrderTraversal(root->right); } }	2024-09-04	Deactivate		Edit	Delete
3047	How do you create a simple web server in Python?	from http.server import SimpleHTTPRequestHandler, HTTPServer server = HTTPServer(("localhost", 8000), SimpleHTTPRequestHandler) server.serve_forever()	2024-09-04	Deactivate		Edit	Delete
3048	How do you create a simple web server in JavaScript (Node.js)?	const http = require("http"); const server = http.createServer((req, res) => { res.writeHead(200, { "Content-Type": "text/plain" }); res.end("Hello, World!"); }); server.listen(3000, () => { console.log("Server running at http://localhost:3000/"); });	2024-09-04	Deactivate		Edit	Delete
3049	How do you create a simple web server in Java?	import com.sun.net.httpserver.HttpServer; import com.sun.net.httpserver.HttpHandler; import com.sun.net.httpserver.HttpExchange; import java.io.IOException; import java.io.OutputStream; public class SimpleHttpServer { public static void main(String[] args) throws IOException { HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0); server.createContext("/", new HttpHandler() { @Override public void handle(HttpExchange exchange) throws IOException { String response = "Hello, World!"; exchange.sendResponseHeaders(200, response.getBytes().length); OutputStream os = exchange.getResponseBody(); os.write(response.getBytes()); os.close(); } }); server.start(); } }	2024-09-04	Deactivate		Edit	Delete
3050	How do you create a simple web server in C++?	#include #include using boost::asio::ip::tcp; int main() { boost::asio::io_context io_context; tcp::acceptor acceptor(io_context, tcp::endpoint(tcp::v4(), 8080)); for (;;) { tcp::socket socket(io_context); acceptor.accept(socket); std::string message = "Hello, World!\n"; boost::asio::write(socket, boost::asio::buffer(message)); } return 0; }	2024-09-04	Deactivate		Edit	Delete
3051	How do you perform a basic HTTP GET request in Python?	import requests response = requests.get("https://api.example.com/data") print(response.text)	2024-09-04	Deactivate		Edit	Delete
3052	How do you perform a basic HTTP GET request in JavaScript (Node.js)?	const https = require("https"); https.get("https://api.example.com/data", (resp) => { let data = ""; resp.on("data", (chunk) => { data += chunk; }); resp.on("end", () => { console.log(data); }); }).on("error", (err) => { console.log("Error: " + err.message); });	2024-09-04	Deactivate		Edit	Delete
3053	How do you perform a basic HTTP GET request in Java?	import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; public class Main { public static void main(String[] args) throws Exception { URL url = new URL("https://api.example.com/data"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream())); String inputLine; StringBuilder content = new StringBuilder(); while ((inputLine = in.readLine()) != null) { content.append(inputLine); } in.close(); System.out.println(content.toString()); } }	2024-09-04	Deactivate		Edit	Delete
3054	How do you perform a basic HTTP GET request in C++?	#include #include size_t WriteCallback(void* contents, size_t size, size_t nmemb, void* userp) { ((std::string*)userp)->append((char*)contents, size * nmemb); return size * nmemb; } int main() { CURL* curl; CURLcode res; curl_global_init(CURL_GLOBAL_DEFAULT); curl = curl_easy_init(); if (curl) { std::string readBuffer; curl_easy_setopt(curl, CURLOPT_URL, "https://api.example.com/data"); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer); res = curl_easy_perform(curl); if (res != CURLE_OK) { fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res)); } std::cout << readBuffer << std::endl; curl_easy_cleanup(curl); } curl_global_cleanup(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3055	How do you sort an array in Python?	arr = [3, 1, 4, 1, 5, 9] arr.sort() print(arr)	2024-09-04	Deactivate		Edit	Delete
3056	How do you sort an array in JavaScript?	let arr = [3, 1, 4, 1, 5, 9]; arr.sort((a, b) => a - b); console.log(arr);	2024-09-04	Deactivate		Edit	Delete
3057	How do you sort an array in Java?	import java.util.Arrays; public class Main { public static void main(String[] args) { int[] arr = {3, 1, 4, 1, 5, 9}; Arrays.sort(arr); System.out.println(Arrays.toString(arr)); } }	2024-09-04	Deactivate		Edit	Delete
3058	How do you sort an array in C++?	#include #include int main() { int arr[] = {3, 1, 4, 1, 5, 9}; std::sort(arr, arr + 6); for (int i = 0; i < 6; ++i) { std::cout << arr[i] << " "; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3059	How do you reverse a string in Python?	s = "hello" reversed_s = s[::-1] print(reversed_s)	2024-09-04	Deactivate		Edit	Delete
3060	How do you reverse a string in JavaScript?	let s = "hello"; let reversed_s = s.split("").reverse().join(""); console.log(reversed_s);	2024-09-04	Deactivate		Edit	Delete
3061	How do you reverse a string in Java?	public class Main { public static void main(String[] args) { String s = "hello"; String reversed_s = new StringBuilder(s).reverse().toString(); System.out.println(reversed_s); } }	2024-09-04	Deactivate		Edit	Delete
3062	How do you reverse a string in C++?	#include #include #include int main() { std::string s = "hello"; std::reverse(s.begin(), s.end()); std::cout << s << std::endl; return 0; }	2024-09-04	Deactivate		Edit	Delete
3063	How do you handle exceptions in Python?	try: # code that may raise an exception except Exception as e: print("Exception:", e)	2024-09-04	Deactivate		Edit	Delete
3064	How do you handle exceptions in JavaScript?	try { // code that may throw an exception } catch (e) { console.log("Exception:", e); }	2024-09-04	Deactivate		Edit	Delete
3065	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { System.out.println("Exception: " + e.getMessage()); }	2024-09-04	Deactivate		Edit	Delete
3066	How do you handle exceptions in C++?	#include int main() { try { // code that may throw an exception } catch (const std::exception& e) { std::cout << "Exception: " << e.what() << std::endl; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3067	How do you connect to a MySQL database in Python?	import mysql.connector conn = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword", database="yourdatabase" ) cursor = conn.cursor() # Use cursor to interact with the database	2024-09-04	Deactivate		Edit	Delete
3068	How do you connect to a MongoDB database in Node.js?	const { MongoClient } = require("mongodb"); const uri = "mongodb://localhost:27017"; const client = new MongoClient(uri); async function run() { try { await client.connect(); console.log("Connected successfully to server"); } finally { await client.close(); } } run().catch(console.dir);	2024-09-04	Deactivate		Edit	Delete
3069	How do you connect to a PostgreSQL database in Java?	import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class Main { public static void main(String[] args) { String url = "jdbc:postgresql://localhost:5432/yourdatabase"; String user = "yourusername"; String password = "yourpassword"; try (Connection conn = DriverManager.getConnection(url, user, password)) { System.out.println("Connected to PostgreSQL database!"); } catch (SQLException e) { e.printStackTrace(); } } }	2024-09-04	Deactivate		Edit	Delete
3070	How do you connect to a SQLite database in C++?	#include #include int main() { sqlite3* db; int rc = sqlite3_open("example.db", &db); if (rc) { std::cerr << "Cannot open database: " << sqlite3_errmsg(db) << std::endl; return rc; } else { std::cout << "Opened database successfully" << std::endl; } sqlite3_close(db); return 0; }	2024-09-04	Deactivate		Edit	Delete
3071	How do you make a GET request in Python using the requests library?	import requests response = requests.get("https://api.example.com/data") print(response.text)	2024-09-04	Deactivate		Edit	Delete
3072	How do you make a POST request in JavaScript using fetch?	fetch("https://api.example.com/data", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify({key: "value"}) }) .then(response => response.json()) .then(data => console.log(data)) .catch(error => console.error("Error:", error));	2024-09-04	Deactivate		Edit	Delete
3073	How do you parse JSON in Python?	import json json_string = '{"key": "value"}' data = json.loads(json_string) print(data["key"])	2024-09-04	Deactivate		Edit	Delete
3074	How do you parse JSON in JavaScript?	let jsonString = '{"key": "value"}'; let data = JSON.parse(jsonString); console.log(data.key);	2024-09-04	Deactivate		Edit	Delete
3075	How do you create a simple class in Python?	class MyClass: def __init__(self, value): self.value = value obj = MyClass(10) print(obj.value)	2024-09-04	Deactivate		Edit	Delete
3076	How do you create a simple class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } public int getValue() { return value; } } public class Main { public static void main(String[] args) { MyClass obj = new MyClass(10); System.out.println(obj.getValue()); } }	2024-09-04	Deactivate		Edit	Delete
3077	How do you create a simple class in C++?	#include class MyClass { private: int value; public: MyClass(int v) : value(v) {} int getValue() { return value; } }; int main() { MyClass obj(10); std::cout << obj.getValue() << std::endl; return 0; }	2024-09-04	Deactivate		Edit	Delete
3078	How do you create a simple function in Python?	def my_function(param): return param * 2 result = my_function(5) print(result)	2024-09-04	Deactivate		Edit	Delete
3079	How do you create a simple function in JavaScript?	function myFunction(param) { return param * 2; } let result = myFunction(5); console.log(result);	2024-09-04	Deactivate		Edit	Delete
3080	How do you create a simple function in Java?	public class Main { public static int myFunction(int param) { return param * 2; } public static void main(String[] args) { int result = myFunction(5); System.out.println(result); } }	2024-09-04	Deactivate		Edit	Delete
3081	How do you create a simple function in C++?	#include int myFunction(int param) { return param * 2; } int main() { int result = myFunction(5); std::cout << result << std::endl; return 0; }	2024-09-04	Deactivate		Edit	Delete
3082	How do you handle file input/output in Python?	with open("file.txt", "w") as file: file.write("Hello, world!") with open("file.txt", "r") as file: print(file.read())	2024-09-04	Deactivate		Edit	Delete
3083	How do you handle file input/output in JavaScript (Node.js)?	const fs = require("fs"); fs.writeFile("file.txt", "Hello, world!", (err) => { if (err) throw err; fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); }); });	2024-09-04	Deactivate		Edit	Delete
3084	How do you handle file input/output in Java?	import java.nio.file.Files; import java.nio.file.Paths; import java.io.IOException; public class Main { public static void main(String[] args) { String content = "Hello, world!"; try { Files.write(Paths.get("file.txt"), content.getBytes()); String readContent = new String(Files.readAllBytes(Paths.get("file.txt"))); System.out.println(readContent); } catch (IOException e) { e.printStackTrace(); } } }	2024-09-04	Deactivate		Edit	Delete
3085	How do you handle file input/output in C++?	#include #include #include int main() { std::ofstream outfile("file.txt"); outfile << "Hello, world!"; outfile.close(); std::ifstream infile("file.txt"); std::string line; while (getline(infile, line)) { std::cout << line << std::endl; } infile.close(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3086	How do you create a class in Python?	class MyClass: def __init__(self, value): self.value = value def display(self): print(self.value)	2024-09-04	Deactivate		Edit	Delete
3087	How do you create a class in JavaScript?	class MyClass { constructor(value) { this.value = value; } display() { console.log(this.value); } }	2024-09-04	Deactivate		Edit	Delete
3088	How do you create a class in Java?	public class MyClass { private int value; public MyClass(int value) { this.value = value; } public void display() { System.out.println(value); } }	2024-09-04	Deactivate		Edit	Delete
3089	How do you create a class in C++?	#include class MyClass { private: int value; public: MyClass(int v) : value(v) {} void display() { std::cout << value << std::endl; } }; int main() { MyClass obj(10); obj.display(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3090	How do you inherit a class in Python?	class Base: def base_method(self): print("Base method") class Derived(Base): def derived_method(self): print("Derived method")	2024-09-04	Deactivate		Edit	Delete
3091	How do you inherit a class in JavaScript?	class Base { baseMethod() { console.log("Base method"); } } class Derived extends Base { derivedMethod() { console.log("Derived method"); } }	2024-09-04	Deactivate		Edit	Delete
3092	How do you inherit a class in Java?	public class Base { public void baseMethod() { System.out.println("Base method"); } } public class Derived extends Base { public void derivedMethod() { System.out.println("Derived method"); } }	2024-09-04	Deactivate		Edit	Delete
3093	How do you inherit a class in C++?	#include class Base { public: void baseMethod() { std::cout << "Base method" << std::endl; } }; class Derived : public Base { public: void derivedMethod() { std::cout << "Derived method" << std::endl; } }; int main() { Derived obj; obj.baseMethod(); obj.derivedMethod(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3094	How do you implement polymorphism in Python?	class Base: def method(self): print("Base method") class Derived(Base): def method(self): print("Derived method") obj = Derived() obj.method()	2024-09-04	Deactivate		Edit	Delete
3095	How do you implement polymorphism in JavaScript?	class Base { method() { console.log("Base method"); } } class Derived extends Base { method() { console.log("Derived method"); } } const obj = new Derived(); obj.method();	2024-09-04	Deactivate		Edit	Delete
3096	How do you implement polymorphism in Java?	public class Base { public void method() { System.out.println("Base method"); } } public class Derived extends Base { @Override public void method() { System.out.println("Derived method"); } } public class Main { public static void main(String[] args) { Base obj = new Derived(); obj.method(); } }	2024-09-04	Deactivate		Edit	Delete
3097	How do you implement polymorphism in C++?	#include class Base { public: virtual void method() { std::cout << "Base method" << std::endl; } }; class Derived : public Base { public: void method() override { std::cout << "Derived method" << std::endl; } }; int main() { Base* obj = new Derived(); obj->method(); delete obj; return 0; }	2024-09-04	Deactivate		Edit	Delete
3098	How do you handle exceptions in Python?	try: # Code that may raise an exception except Exception as e: print(e)	2024-09-04	Deactivate		Edit	Delete
3099	How do you handle exceptions in JavaScript?	try { // Code that may throw an exception } catch (e) { console.error(e); }	2024-09-04	Deactivate		Edit	Delete
3100	How do you handle exceptions in Java?	try { // Code that may throw an exception } catch (Exception e) { e.printStackTrace(); }	2024-09-04	Deactivate		Edit	Delete
3101	How do you handle exceptions in C++?	#include int main() { try { throw std::runtime_error("An error occurred"); } catch (const std::exception& e) { std::cerr << e.what() << std::endl; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3102	How do you sort a list in Python?	my_list = [3, 1, 4, 1, 5] my_list.sort() print(my_list)	2024-09-04	Deactivate		Edit	Delete
3103	How do you sort an array in JavaScript?	let myArray = [3, 1, 4, 1, 5]; myArray.sort((a, b) => a - b); console.log(myArray);	2024-09-04	Deactivate		Edit	Delete
3104	How do you sort an array in Java?	import java.util.Arrays; public class Main { public static void main(String[] args) { int[] array = {3, 1, 4, 1, 5}; Arrays.sort(array); System.out.println(Arrays.toString(array)); } }	2024-09-04	Deactivate		Edit	Delete
3105	How do you sort a vector in C++?	#include #include #include int main() { std::vector vec = {3, 1, 4, 1, 5}; std::sort(vec.begin(), vec.end()); for (int n : vec) { std::cout << n << " "; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3106	How do you create a basic HTTP server in Python?	from http.server import SimpleHTTPRequestHandler, HTTPServer server = HTTPServer(("localhost", 8000), SimpleHTTPRequestHandler) server.serve_forever()	2024-09-04	Deactivate		Edit	Delete
3107	How do you create a basic HTTP server in Node.js?	const http = require("http"); const server = http.createServer((req, res) => { res.statusCode = 200; res.setHeader("Content-Type", "text/plain"); res.end("Hello, world!\n"); }); server.listen(3000, "127.0.0.1", () => { console.log("Server running at http://127.0.0.1:3000/"); });	2024-09-04	Deactivate		Edit	Delete
3108	How do you create a basic HTTP server in Java?	import java.io.IOException; import java.io.OutputStream; import com.sun.net.httpserver.HttpServer; import com.sun.net.httpserver.HttpHandler; import com.sun.net.httpserver.HttpExchange; public class Main { public static void main(String[] args) throws IOException { HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0); server.createContext("/", new HttpHandler() { @Override public void handle(HttpExchange exchange) throws IOException { String response = "Hello, world!"; exchange.sendResponseHeaders(200, response.getBytes().length); OutputStream os = exchange.getResponseBody(); os.write(response.getBytes()); os.close(); } }); server.start(); } }	2024-09-04	Deactivate		Edit	Delete
3109	How do you create a basic HTTP server in C++?	#include #include using namespace boost::asio; int main() { io_context io; ip::tcp::acceptor acceptor(io, ip::tcp::endpoint(ip::tcp::v4(), 8080)); ip::tcp::socket socket(io); acceptor.accept(socket); std::string message = "HTTP/1.1 200 OK\r\nContent-Length: 13\r\n\r\nHello, world!"; boost::asio::write(socket, boost::asio::buffer(message)); return 0; }	2024-09-04	Deactivate		Edit	Delete
3110	How do you perform unit testing in Python?	import unittest class TestStringMethods(unittest.TestCase): def test_upper(self): self.assertEqual("foo".upper(), "FOO") if __name__ == "__main__": unittest.main()	2024-09-04	Deactivate		Edit	Delete
3111	How do you perform unit testing in JavaScript?	const assert = require("assert"); function test() { assert.strictEqual("foo".toUpperCase(), "FOO"); } test();	2024-09-04	Deactivate		Edit	Delete
3112	How do you perform unit testing in Java?	import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.assertEquals; public class MyTests { @Test void testUpper() { assertEquals("FOO", "foo".toUpperCase()); } }	2024-09-04	Deactivate		Edit	Delete
3113	How do you perform unit testing in C++?	#include TEST(StringTest, UpperCase) { ASSERT_EQ("FOO", boost::to_upper_copy("foo")); } int main(int argc, char **argv) { ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); }	2024-09-04	Deactivate		Edit	Delete
3114	How do you connect to a database in Python?	import sqlite3 conn = sqlite3.connect("example.db") cursor = conn.cursor() cursor.execute("CREATE TABLE IF NOT EXISTS example (id INTEGER PRIMARY KEY, name TEXT)") conn.commit() conn.close()	2024-09-04	Deactivate		Edit	Delete
3115	How do you connect to a database in JavaScript (Node.js)?	const { Client } = require("pg"); const client = new Client({ connectionString: "postgres://user:password@localhost:5432/mydatabase" }); client.connect() .then(() => console.log("Connected")) .catch(err => console.error("Connection error", err.stack));	2024-09-04	Deactivate		Edit	Delete
3116	How do you connect to a database in Java?	import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class Main { public static void main(String[] args) { try { Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydatabase", "user", "password"); System.out.println("Connected"); } catch (SQLException e) { e.printStackTrace(); } } }	2024-09-04	Deactivate		Edit	Delete
3117	How do you connect to a database in C++?	#include #include #include int main() { sql::mysql::MySQL_Driver *driver; sql::Connection *con; driver = sql::mysql::get_mysql_driver_instance(); con = driver->connect("tcp://127.0.0.1:3306", "user", "password"); std::cout << "Connected" << std::endl; delete con; return 0; }	2024-09-04	Deactivate		Edit	Delete
3118	How do you perform a GET request in Python?	import requests response = requests.get("https://api.example.com/data") print(response.json())	2024-09-04	Deactivate		Edit	Delete
3119	How do you perform a GET request in JavaScript?	fetch("https://api.example.com/data") .then(response => response.json()) .then(data => console.log(data)) .catch(error => console.error("Error:", error));	2024-09-04	Deactivate		Edit	Delete
3120	How do you perform a GET request in Java?	import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; public class Main { public static void main(String[] args) throws Exception { URL url = new URL("https://api.example.com/data"); HttpURLConnection con = (HttpURLConnection) url.openConnection(); con.setRequestMethod("GET"); BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream())); String inputLine; StringBuffer content = new StringBuffer(); while ((inputLine = in.readLine()) != null) { content.append(inputLine); } in.close(); System.out.println(content.toString()); } }	2024-09-04	Deactivate		Edit	Delete
3121	How do you perform a GET request in C++?	#include #include size_t WriteCallback(void* contents, size_t size, size_t nmemb, void* userp) { ((std::string*)userp)->append((char*)contents, size * nmemb); return size * nmemb; } int main() { CURL *curl; CURLcode res; std::string readBuffer; curl = curl_easy_init(); if (curl) { curl_easy_setopt(curl, CURLOPT_URL, "https://api.example.com/data"); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer); res = curl_easy_perform(curl); if (res != CURLE_OK) { fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res)); } std::cout << readBuffer << std::endl; curl_easy_cleanup(curl); } return 0; }	2024-09-04	Deactivate		Edit	Delete
3122	How do you loop through a list in Python?	my_list = [1, 2, 3, 4] for item in my_list: print(item)	2024-09-04	Deactivate		Edit	Delete
3123	How do you loop through an array in JavaScript?	let myArray = [1, 2, 3, 4]; myArray.forEach(item => console.log(item));	2024-09-04	Deactivate		Edit	Delete
3124	How do you loop through an array in Java?	int[] array = {1, 2, 3, 4}; for (int item : array) { System.out.println(item); }	2024-09-04	Deactivate		Edit	Delete
3125	How do you loop through a vector in C++?	#include #include int main() { std::vector vec = {1, 2, 3, 4}; for (int item : vec) { std::cout << item << std::endl; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3126	How do you create a function in Python?	def my_function(param): return param * 2	2024-09-04	Deactivate		Edit	Delete
3127	How do you create a function in JavaScript?	function myFunction(param) { return param * 2; }	2024-09-04	Deactivate		Edit	Delete
3128	How do you create a method in Java?	public class MyClass { public int myMethod(int param) { return param * 2; } }	2024-09-04	Deactivate		Edit	Delete
3129	How do you create a method in C++?	#include class MyClass { public: int myMethod(int param) { return param * 2; } }; int main() { MyClass obj; std::cout << obj.myMethod(5) << std::endl; return 0; }	2024-09-04	Deactivate		Edit	Delete
3130	How do you define a variable in Python?	my_variable = 10	2024-09-04	Deactivate		Edit	Delete
3131	How do you define a variable in JavaScript?	let myVariable = 10;	2024-09-04	Deactivate		Edit	Delete
3132	How do you define a variable in Java?	int myVariable = 10;	2024-09-04	Deactivate		Edit	Delete
3133	How do you define a variable in C++?	#include int main() { int myVariable = 10; std::cout << myVariable << std::endl; return 0; }	2024-09-04	Deactivate		Edit	Delete
3134	How do you concatenate strings in Python?	str1 = "Hello" str2 = "World" result = str1 + " " + str2 print(result)	2024-09-04	Deactivate		Edit	Delete
3135	How do you concatenate strings in JavaScript?	let str1 = "Hello"; let str2 = "World"; let result = str1 + " " + str2; console.log(result);	2024-09-04	Deactivate		Edit	Delete
3136	How do you concatenate strings in Java?	String str1 = "Hello"; String str2 = "World"; String result = str1 + " " + str2; System.out.println(result);	2024-09-04	Deactivate		Edit	Delete
3137	How do you concatenate strings in C++?	#include #include int main() { std::string str1 = "Hello"; std::string str2 = "World"; std::string result = str1 + " " + str2; std::cout << result << std::endl; return 0; }	2024-09-04	Deactivate		Edit	Delete
3138	How do you read a file in Python?	with open("file.txt", "r") as file: content = file.read() print(content)	2024-09-04	Deactivate		Edit	Delete
3139	How do you read a file in JavaScript (Node.js)?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-04	Deactivate		Edit	Delete
3140	How do you read a file in Java?	import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class Main { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new FileReader("file.txt")); String line; while ((line = reader.readLine()) != null) { System.out.println(line); } reader.close(); } }	2024-09-04	Deactivate		Edit	Delete
3141	How do you read a file in C++?	#include #include #include int main() { std::ifstream file("file.txt"); std::string line; while (std::getline(file, line)) { std::cout << line << std::endl; } file.close(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3142	How do you handle exceptions in Python?	try: # code that may raise an exception except Exception as e: print(f"An error occurred: {e}")	2024-09-04	Deactivate		Edit	Delete
3143	How do you handle exceptions in JavaScript?	try { // code that may throw an exception } catch (e) { console.error("An error occurred:", e); }	2024-09-04	Deactivate		Edit	Delete
3144	How do you handle exceptions in Java?	try { // code that may throw an exception } catch (Exception e) { System.out.println("An error occurred: " + e.getMessage()); }	2024-09-04	Deactivate		Edit	Delete
3145	How do you handle exceptions in C++?	#include #include int main() { try { // code that may throw an exception } catch (const std::exception& e) { std::cerr << "An error occurred: " << e.what() << std::endl; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3146	How do you reverse a string in Python?	reversed_string = my_string[::-1]	2024-09-04	Deactivate		Edit	Delete
3147	How do you reverse a string in JavaScript?	const reversedString = myString.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
3148	How do you reverse a string in Java?	String reversed = new StringBuilder(myString).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
3149	How do you reverse a string in C++?	#include #include int main() { std::string myString = "Hello"; std::reverse(myString.begin(), myString.end()); return 0; }	2024-09-04	Deactivate		Edit	Delete
3150	How do you convert a string to lowercase in Python?	lower_string = my_string.lower()	2024-09-04	Deactivate		Edit	Delete
3151	How do you convert a string to lowercase in JavaScript?	const lowerString = myString.toLowerCase();	2024-09-04	Deactivate		Edit	Delete
3152	How do you convert a string to lowercase in Java?	String lowerString = myString.toLowerCase();	2024-09-04	Deactivate		Edit	Delete
3153	How do you convert a string to lowercase in C++?	#include #include #include int main() { std::string myString = "HELLO"; std::transform(myString.begin(), myString.end(), myString.begin(), ::tolower); return 0; }	2024-09-04	Deactivate		Edit	Delete
3154	How do you check if a string is a palindrome in Python?	def is_palindrome(s): return s == s[::-1]	2024-09-04	Deactivate		Edit	Delete
3155	How do you check if a string is a palindrome in JavaScript?	function isPalindrome(str) { return str === str.split("").reverse().join(""); }	2024-09-04	Deactivate		Edit	Delete
3156	How do you check if a string is a palindrome in Java?	public boolean isPalindrome(String s) { return s.equals(new StringBuilder(s).reverse().toString()); }	2024-09-04	Deactivate		Edit	Delete
3157	How do you check if a string is a palindrome in C++?	#include #include bool isPalindrome(std::string s) { std::string reversed = s; std::reverse(reversed.begin(), reversed.end()); return s == reversed; }	2024-09-04	Deactivate		Edit	Delete
3158	How do you find the length of a string in Python?	length = len(my_string)	2024-09-04	Deactivate		Edit	Delete
3159	How do you find the length of a string in JavaScript?	const length = myString.length;	2024-09-04	Deactivate		Edit	Delete
3160	How do you find the length of a string in Java?	int length = myString.length();	2024-09-04	Deactivate		Edit	Delete
3161	How do you find the length of a string in C++?	#include int main() { std::string myString = "Hello"; int length = myString.length(); return 0; }	2024-09-04	Deactivate		Edit	Delete
3162	How do you concatenate strings in Python?	concatenated_string = string1 + string2	2024-09-04	Deactivate		Edit	Delete
3163	How do you concatenate strings in JavaScript?	const concatenatedString = string1 + string2;	2024-09-04	Deactivate		Edit	Delete
3164	How do you concatenate strings in Java?	String concatenatedString = string1 + string2;	2024-09-04	Deactivate		Edit	Delete
3165	How do you concatenate strings in C++?	#include int main() { std::string string1 = "Hello"; std::string string2 = "World"; std::string concatenatedString = string1 + " " + string2; return 0; }	2024-09-04	Deactivate		Edit	Delete
3166	How do you convert a string to an integer in Python?	integer_value = int(my_string)	2024-09-04	Deactivate		Edit	Delete
3167	How do you convert a string to an integer in JavaScript?	const integerValue = parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
3168	How do you convert a string to an integer in Java?	int integerValue = Integer.parseInt(myString);	2024-09-04	Deactivate		Edit	Delete
3169	How do you convert a string to an integer in C++?	#include #include int main() { std::string myString = "123"; int integerValue = std::stoi(myString); return 0; }	2024-09-04	Deactivate		Edit	Delete
3170	How do you convert an integer to a string in Python?	string_value = str(my_integer)	2024-09-04	Deactivate		Edit	Delete
3171	How do you convert an integer to a string in JavaScript?	const stringValue = myInteger.toString();	2024-09-04	Deactivate		Edit	Delete
3172	How do you convert an integer to a string in Java?	String stringValue = Integer.toString(myInteger);	2024-09-04	Deactivate		Edit	Delete
3173	How do you convert an integer to a string in C++?	#include int main() { int myInteger = 123; std::string stringValue = std::to_string(myInteger); return 0; }	2024-09-04	Deactivate		Edit	Delete
3174	How do you create a list in Python?	my_list = [1, 2, 3, 4, 5]	2024-09-04	Deactivate		Edit	Delete
3175	How do you create an array in JavaScript?	const myArray = [1, 2, 3, 4, 5];	2024-09-04	Deactivate		Edit	Delete
3176	How do you create an array in Java?	int[] myArray = {1, 2, 3, 4, 5};	2024-09-04	Deactivate		Edit	Delete
3177	How do you create an array in C++?	#include int main() { int myArray[5] = {1, 2, 3, 4, 5}; return 0; }	2024-09-04	Deactivate		Edit	Delete
3178	How do you find the length of a list in Python?	list_length = len(my_list)	2024-09-04	Deactivate		Edit	Delete
3179	How do you find the length of an array in JavaScript?	const arrayLength = myArray.length;	2024-09-04	Deactivate		Edit	Delete
3180	How do you find the length of an array in Java?	int arrayLength = myArray.length;	2024-09-04	Deactivate		Edit	Delete
3181	How do you find the length of an array in C++?	#include int main() { int myArray[] = {1, 2, 3, 4, 5}; int arrayLength = sizeof(myArray) / sizeof(myArray[0]); return 0; }	2024-09-04	Deactivate		Edit	Delete
3182	How do you sort a list in Python?	sorted_list = sorted(my_list)	2024-09-04	Deactivate		Edit	Delete
3183	How do you sort an array in JavaScript?	const sortedArray = myArray.sort((a, b) => a - b);	2024-09-04	Deactivate		Edit	Delete
3184	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-04	Deactivate		Edit	Delete
3185	How do you sort an array in C++?	#include #include int main() { std::array myArray = {5, 2, 1, 4, 3}; std::sort(myArray.begin(), myArray.end()); return 0; }	2024-09-04	Deactivate		Edit	Delete
3186	How do you remove duplicates from a list in Python?	unique_list = list(set(my_list))	2024-09-04	Deactivate		Edit	Delete
3187	How do you remove duplicates from an array in JavaScript?	const uniqueArray = [...new Set(myArray)];	2024-09-04	Deactivate		Edit	Delete
3188	How do you remove duplicates from an array in Java?	int[] uniqueArray = Arrays.stream(myArray).distinct().toArray();	2024-09-04	Deactivate		Edit	Delete
3189	How do you remove duplicates from an array in C++?	#include #include int main() { std::vector myArray = {1, 2, 2, 3, 4}; std::sort(myArray.begin(), myArray.end()); auto last = std::unique(myArray.begin(), myArray.end()); myArray.erase(last, myArray.end()); return 0; }	2024-09-04	Deactivate		Edit	Delete
3190	How do you check if a list contains an element in Python?	if element in my_list: print("Element exists")	2024-09-04	Deactivate		Edit	Delete
3191	How do you check if an array contains an element in JavaScript?	if (myArray.includes(element)) { console.log("Element exists"); }	2024-09-04	Deactivate		Edit	Delete
3192	How do you check if an array contains an element in Java?	boolean contains = Arrays.asList(myArray).contains(element);	2024-09-04	Deactivate		Edit	Delete
3193	How do you check if an array contains an element in C++?	#include #include int main() { std::vector myArray = {1, 2, 3, 4, 5}; if (std::find(myArray.begin(), myArray.end(), element) != myArray.end()) { std::cout << "Element exists"; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3194	How do you reverse a string in Python?	reversed_string = my_string[::-1]	2024-09-04	Deactivate		Edit	Delete
3195	How do you reverse a string in JavaScript?	const reversedString = myString.split("").reverse().join("");	2024-09-04	Deactivate		Edit	Delete
3196	How do you reverse a string in Java?	String reversedString = new StringBuilder(myString).reverse().toString();	2024-09-04	Deactivate		Edit	Delete
3197	How do you reverse a string in C++?	#include #include int main() { std::string myString = "hello"; std::reverse(myString.begin(), myString.end()); return 0; }	2024-09-04	Deactivate		Edit	Delete
3198	How do you check if a string is a palindrome in Python?	if my_string == my_string[::-1]: print("Palindrome")	2024-09-04	Deactivate		Edit	Delete
3199	How do you check if a string is a palindrome in JavaScript?	if (myString === myString.split("").reverse().join("")) { console.log("Palindrome"); }	2024-09-04	Deactivate		Edit	Delete
3200	How do you check if a string is a palindrome in Java?	boolean isPalindrome = myString.equals(new StringBuilder(myString).reverse().toString());	2024-09-04	Deactivate		Edit	Delete
3201	How do you check if a string is a palindrome in C++?	#include #include int main() { std::string myString = "madam"; std::string reversedString = myString; std::reverse(reversedString.begin(), reversedString.end()); if (myString == reversedString) { std::cout << "Palindrome"; } return 0; }	2024-09-04	Deactivate		Edit	Delete
3202	How do you swap two variables in Python?	a, b = b, a	2024-09-04	Deactivate		Edit	Delete
3203	How do you swap two variables in JavaScript?	[a, b] = [b, a];	2024-09-04	Deactivate		Edit	Delete
3204	How do you swap two variables in Java?	int temp = a; a = b; b = temp;	2024-09-04	Deactivate		Edit	Delete
3205	How do you swap two variables in C++?	int temp = a; a = b; b = temp;	2024-09-04	Deactivate		Edit	Delete
3206	How do you check if a number is even in Python?	if my_number % 2 == 0: print("Even")	2024-09-04	Deactivate		Edit	Delete
3207	How do you check if a number is even in JavaScript?	if (myNumber % 2 === 0) { console.log("Even"); }	2024-09-04	Deactivate		Edit	Delete
3208	How do you check if a number is even in Java?	if (myNumber % 2 == 0) { System.out.println("Even"); }	2024-09-04	Deactivate		Edit	Delete
3209	How do you check if a number is even in C++?	if (myNumber % 2 == 0) { std::cout << "Even"; }	2024-09-04	Deactivate		Edit	Delete
3210	How do you generate a random number in Python?	import random random_number = random.randint(1, 100)	2024-09-04	Deactivate		Edit	Delete
3211	How do you generate a random number in JavaScript?	const randomNumber = Math.floor(Math.random() * 100) + 1;	2024-09-04	Deactivate		Edit	Delete
3212	How do you generate a random number in Java?	import java.util.Random; Random random = new Random(); int randomNumber = random.nextInt(100) + 1;	2024-09-04	Deactivate		Edit	Delete
3213	How do you generate a random number in C++?	#include #include int main() { std::srand(std::time(0)); int randomNumber = std::rand() % 100 + 1; return 0; }	2024-09-04	Deactivate		Edit	Delete
3214	How do you read input from the user in Python?	user_input = input("Enter something: ")	2024-09-04	Deactivate		Edit	Delete
3215	How do you read input from the user in JavaScript?	const userInput = prompt("Enter something:");	2024-09-04	Deactivate		Edit	Delete
3216	How do you read input from the user in Java?	Scanner scanner = new Scanner(System.in); String userInput = scanner.nextLine();	2024-09-04	Deactivate		Edit	Delete
3217	How do you read input from the user in C++?	#include int main() { std::string userInput; std::cin >> userInput; return 0; }	2024-09-04	Deactivate		Edit	Delete
3218	How do you declare a variable in Python?	x = 5	2024-09-04	Deactivate		Edit	Delete
3219	How do you declare a variable in JavaScript?	let x = 5;	2024-09-04	Deactivate		Edit	Delete
3220	How do you declare a variable in Java?	int x = 5;	2024-09-04	Deactivate		Edit	Delete
3221	How do you declare a variable in C++?	int x = 5;	2024-09-04	Deactivate		Edit	Delete
3222	How do you write an if statement in Python?	if x > 5: print("x is greater than 5")	2024-09-04	Deactivate		Edit	Delete
3223	How do you write an if statement in JavaScript?	if (x > 5) { console.log("x is greater than 5"); }	2024-09-04	Deactivate		Edit	Delete
3224	How do you write an if statement in Java?	if (x > 5) { System.out.println("x is greater than 5"); }	2024-09-04	Deactivate		Edit	Delete
3225	How do you write an if statement in C++?	if (x > 5) { std::cout << "x is greater than 5"; }	2024-09-04	Deactivate		Edit	Delete
3226	How do you implement a switch case in Python?	def switch_case(argument): match argument: case 1: return "one" case 2: return "two"	2024-09-04	Deactivate		Edit	Delete
3227	How do you implement a switch case in JavaScript?	switch (x) { case 1: console.log("one"); break; case 2: console.log("two"); break; }	2024-09-04	Deactivate		Edit	Delete
3228	How do you implement a switch case in Java?	switch (x) { case 1: System.out.println("one"); break; case 2: System.out.println("two"); break; }	2024-09-04	Deactivate		Edit	Delete
3229	How do you implement a switch case in C++?	switch (x) { case 1: std::cout << "one"; break; case 2: std::cout << "two"; break; }	2024-09-04	Deactivate		Edit	Delete
3230	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
3231	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
3232	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
3233	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
3234	How do you access elements in a Python list?	element = my_list[0]	2024-09-04	Deactivate		Edit	Delete
3235	How do you access elements in a JavaScript array?	let element = myArray[0];	2024-09-04	Deactivate		Edit	Delete
3236	How do you access elements in a Java array?	int element = myArray[0];	2024-09-04	Deactivate		Edit	Delete
3237	How do you access elements in a C++ array?	int element = myArray[0];	2024-09-04	Deactivate		Edit	Delete
3238	How do you create a dictionary in Python?	my_dict = {"key1": "value1", "key2": "value2"}	2024-09-04	Deactivate		Edit	Delete
3239	How do you create an object in JavaScript?	let myObject = {key1: "value1", key2: "value2"};	2024-09-04	Deactivate		Edit	Delete
3240	How do you create an object in Java?	class MyClass { String key1 = "value1"; String key2 = "value2"; }	2024-09-04	Deactivate		Edit	Delete
3241	How do you create a map in C++?	#include	2024-09-04	Deactivate		Edit	Delete
3242	How do you append to a list in Python?	my_list.append(4)	2024-09-04	Deactivate		Edit	Delete
3243	How do you add an element to an array in JavaScript?	myArray.push(4);	2024-09-04	Deactivate		Edit	Delete
3244	How do you declare a variable in Python?	x = 5	2024-09-04	Deactivate		Edit	Delete
3245	How do you declare a variable in JavaScript?	let x = 5;	2024-09-04	Deactivate		Edit	Delete
3246	How do you declare a variable in Java?	int x = 5;	2024-09-04	Deactivate		Edit	Delete
3247	How do you declare a variable in C++?	int x = 5;	2024-09-04	Deactivate		Edit	Delete
3248	How do you write an if statement in Python?	if x > 5: print("x is greater than 5")	2024-09-04	Deactivate		Edit	Delete
3249	How do you write an if statement in JavaScript?	if (x > 5) { console.log("x is greater than 5"); }	2024-09-04	Deactivate		Edit	Delete
3250	How do you write an if statement in Java?	if (x > 5) { System.out.println("x is greater than 5"); }	2024-09-04	Deactivate		Edit	Delete
3251	How do you write an if statement in C++?	if (x > 5) { std::cout << "x is greater than 5"; }	2024-09-04	Deactivate		Edit	Delete
3252	How do you implement a switch case in Python?	def switch_case(argument): match argument: case 1: return "one" case 2: return "two"	2024-09-04	Deactivate		Edit	Delete
3253	How do you implement a switch case in JavaScript?	switch (x) { case 1: console.log("one"); break; case 2: console.log("two"); break; }	2024-09-04	Deactivate		Edit	Delete
3254	How do you implement a switch case in Java?	switch (x) { case 1: System.out.println("one"); break; case 2: System.out.println("two"); break; }	2024-09-04	Deactivate		Edit	Delete
3255	How do you implement a switch case in C++?	switch (x) { case 1: std::cout << "one"; break; case 2: std::cout << "two"; break; }	2024-09-04	Deactivate		Edit	Delete
3256	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-04	Deactivate		Edit	Delete
3257	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-04	Deactivate		Edit	Delete
3258	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
3259	How do you create an array in C++?	int myArray[] = {1, 2, 3};	2024-09-04	Deactivate		Edit	Delete
3260	How do you access elements in a Python list?	element = my_list[0]	2024-09-04	Deactivate		Edit	Delete
3261	How do you access elements in a JavaScript array?	let element = myArray[0];	2024-09-04	Deactivate		Edit	Delete
3262	How do you access elements in a Java array?	int element = myArray[0];	2024-09-04	Deactivate		Edit	Delete
3263	How do you access elements in a C++ array?	int element = myArray[0];	2024-09-04	Deactivate		Edit	Delete
3264	How do you create a dictionary in Python?	my_dict = {"key1": "value1", "key2": "value2"}	2024-09-04	Deactivate		Edit	Delete
3265	How do you create an object in JavaScript?	let myObject = {key1: "value1", key2: "value2"};	2024-09-04	Deactivate		Edit	Delete
3266	How do you create an object in Java?	class MyClass { String key1 = "value1"; String key2 = "value2"; }	2024-09-04	Deactivate		Edit	Delete
3267	How do you create a map in C++?	#include	2024-09-04	Deactivate		Edit	Delete
3268	How do you append to a list in Python?	my_list.append(4)	2024-09-04	Deactivate		Edit	Delete
3269	How do you append an element to an array in JavaScript?	myArray.push(5);	2024-09-05	Deactivate		Edit	Delete
3270	How do you append an element to an array in Python?	my_list.append(5)	2024-09-05	Deactivate		Edit	Delete
3271	How do you declare a string in Python?	my_string = "Hello, World!"	2024-09-05	Deactivate		Edit	Delete
3272	How do you declare a string in Java?	String myString = "Hello, World!";	2024-09-05	Deactivate		Edit	Delete
3273	How do you declare a string in JavaScript?	let myString = "Hello, World!";	2024-09-05	Deactivate		Edit	Delete
3274	How do you declare a string in C++?	std::string myString = "Hello, World!";	2024-09-05	Deactivate		Edit	Delete
3275	How do you declare a list in Python?	my_list = [1, 2, 3]	2024-09-05	Deactivate		Edit	Delete
3276	How do you declare an array in Java?	int[] myArray = {1, 2, 3};	2024-09-05	Deactivate		Edit	Delete
3277	How do you declare an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-05	Deactivate		Edit	Delete
3278	How do you loop through a list in Python?	for element in my_list: print(element)	2024-09-05	Deactivate		Edit	Delete
3279	How do you loop through an array in Java?	for(int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); }	2024-09-05	Deactivate		Edit	Delete
3280	How do you loop through an array in JavaScript?	for(let i = 0; i < myArray.length; i++) { console.log(myArray[i]); }	2024-09-05	Deactivate		Edit	Delete
3281	How do you loop through an array in C++?	for(int i = 0; i < sizeof(myArray)/sizeof(myArray[0]); i++) { std::cout << myArray[i]; }	2024-09-05	Deactivate		Edit	Delete
3282	How do you check if a key exists in a Python dictionary?	if "key" in my_dict: print("Key exists")	2024-09-05	Deactivate		Edit	Delete
3283	How do you check if a property exists in a JavaScript object?	if ("key" in myObject) { console.log("Key exists"); }	2024-09-05	Deactivate		Edit	Delete
3284	How do you check if an array contains an element in Python?	if 3 in my_list: print("Element exists")	2024-09-05	Deactivate		Edit	Delete
3285	How do you check if an array contains an element in Java?	if (Arrays.asList(myArray).contains(3)) { System.out.println("Element exists"); }	2024-09-05	Deactivate		Edit	Delete
3286	How do you check if an array contains an element in JavaScript?	if (myArray.includes(3)) { console.log("Element exists"); }	2024-09-05	Deactivate		Edit	Delete
3287	How do you write a function in Python?	def my_function(): print("Hello, World!")	2024-09-05	Deactivate		Edit	Delete
3288	How do you write a function in JavaScript?	function myFunction() { console.log("Hello, World!"); }	2024-09-05	Deactivate		Edit	Delete
3289	How do you write a method in Java?	public void myMethod() { System.out.println("Hello, World!"); }	2024-09-05	Deactivate		Edit	Delete
3290	How do you write a function in C++?	void myFunction() { std::cout << "Hello, World!"; }	2024-09-05	Deactivate		Edit	Delete
3291	How do you convert a string to an integer in Python?	my_int = int("123")	2024-09-05	Deactivate		Edit	Delete
3292	How do you convert a string to an integer in JavaScript?	let myInt = parseInt("123");	2024-09-05	Deactivate		Edit	Delete
3293	How do you convert a string to an integer in Java?	int myInt = Integer.parseInt("123");	2024-09-05	Deactivate		Edit	Delete
3294	How do you convert a string to an integer in C++?	int myInt = std::stoi("123");	2024-09-05	Deactivate		Edit	Delete
3295	How do you check if a number is even in Python?	if x % 2 == 0: print("Even")	2024-09-05	Deactivate		Edit	Delete
3296	How do you check if a number is even in JavaScript?	if (x % 2 === 0) { console.log("Even"); }	2024-09-05	Deactivate		Edit	Delete
3297	How do you check if a number is even in Java?	if (x % 2 == 0) { System.out.println("Even"); }	2024-09-05	Deactivate		Edit	Delete
3298	How do you check if a number is even in C++?	if (x % 2 == 0) { std::cout << "Even"; }	2024-09-05	Deactivate		Edit	Delete
3299	How do you reverse a string in Python?	my_string[::-1]	2024-09-05	Deactivate		Edit	Delete
3300	How do you reverse a string in JavaScript?	myString.split("").reverse().join("");	2024-09-05	Deactivate		Edit	Delete
3301	How do you reverse a string in Java?	new StringBuilder(myString).reverse().toString();	2024-09-05	Deactivate		Edit	Delete
3302	How do you reverse a string in C++?	std::reverse(myString.begin(), myString.end());	2024-09-05	Deactivate		Edit	Delete
3303	How do you create a class in Python?	class MyClass: def __init__(self): pass	2024-09-05	Deactivate		Edit	Delete
3304	How do you create a class in Java?	public class MyClass { public MyClass() { } }	2024-09-05	Deactivate		Edit	Delete
3305	How do you create a class in C++?	class MyClass { public: MyClass() {} };	2024-09-05	Deactivate		Edit	Delete
3306	How do you create an object from a class in Python?	my_object = MyClass()	2024-09-05	Deactivate		Edit	Delete
3307	How do you create an object from a class in Java?	MyClass myObject = new MyClass();	2024-09-05	Deactivate		Edit	Delete
3308	How do you create an object from a class in C++?	MyClass myObject;	2024-09-05	Deactivate		Edit	Delete
3309	How do you calculate the length of a list in Python?	len(my_list)	2024-09-05	Deactivate		Edit	Delete
3310	How do you calculate the length of an array in Java?	myArray.length	2024-09-05	Deactivate		Edit	Delete
3311	How do you calculate the length of an array in C++?	sizeof(myArray)/sizeof(myArray[0])	2024-09-05	Deactivate		Edit	Delete
3312	How do you check if a string contains a substring in Python?	if "substring" in my_string: print("Found")	2024-09-05	Deactivate		Edit	Delete
3313	How do you check if a string contains a substring in JavaScript?	if (myString.includes("substring")) { console.log("Found"); }	2024-09-05	Deactivate		Edit	Delete
3314	How do you check if a string contains a substring in Java?	if (myString.contains("substring")) { System.out.println("Found"); }	2024-09-05	Deactivate		Edit	Delete
3315	How do you check if a string contains a substring in C++?	if (myString.find("substring") != std::string::npos) { std::cout << "Found"; }	2024-09-05	Deactivate		Edit	Delete
3316	How do you convert a list to a set in Python?	my_set = set(my_list)	2024-09-05	Deactivate		Edit	Delete
3317	How do you convert a set to a list in Python?	my_list = list(my_set)	2024-09-05	Deactivate		Edit	Delete
3318	How do you read input from a user in Python?	user_input = input("Enter something: ")	2024-09-05	Deactivate		Edit	Delete
3319	How do you read input from a user in Java?	Scanner sc = new Scanner(System.in); String input = sc.nextLine();	2024-09-05	Deactivate		Edit	Delete
3320	How do you read input from a user in C++?	std::cin >> user_input;	2024-09-05	Deactivate		Edit	Delete
3321	How do you write output to the console in Python?	print("Hello, World!")	2024-09-05	Deactivate		Edit	Delete
3322	How do you write output to the console in Java?	System.out.println("Hello, World!");	2024-09-05	Deactivate		Edit	Delete
3323	How do you write output to the console in C++?	std::cout << "Hello, World!";	2024-09-05	Deactivate		Edit	Delete
3324	How do you remove an element from a list in Python?	my_list.remove(2)	2024-09-05	Deactivate		Edit	Delete
3325	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1);	2024-09-05	Deactivate		Edit	Delete
3326	How do you remove an element from an array in Java?	myArray = ArrayUtils.removeElement(myArray, 2);	2024-09-05	Deactivate		Edit	Delete
3327	How do you remove an element from a vector in C++?	myVector.erase(myVector.begin() + index);	2024-09-05	Deactivate		Edit	Delete
3328	How do you find the maximum value in a list in Python?	max_value = max(my_list)	2024-09-05	Deactivate		Edit	Delete
3329	How do you find the maximum value in an array in Java?	int maxValue = Arrays.stream(myArray).max().getAsInt();	2024-09-05	Deactivate		Edit	Delete
3330	How do you find the maximum value in an array in C++?	int maxValue = *std::max_element(myArray, myArray + size);	2024-09-05	Deactivate		Edit	Delete
3331	How do you sort a list in Python?	my_list.sort()	2024-09-05	Deactivate		Edit	Delete
3332	How do you sort an array in JavaScript?	myArray.sort()	2024-09-05	Deactivate		Edit	Delete
3333	How do you sort an array in Java?	Arrays.sort(myArray)	2024-09-05	Deactivate		Edit	Delete
3334	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end())	2024-09-05	Deactivate		Edit	Delete
3335	How do you find the minimum value in a list in Python?	min_value = min(my_list)	2024-09-05	Deactivate		Edit	Delete
3336	How do you find the minimum value in an array in Java?	int minValue = Arrays.stream(myArray).min().getAsInt();	2024-09-05	Deactivate		Edit	Delete
3337	How do you find the minimum value in an array in C++?	int minValue = *std::min_element(myArray, myArray + size);	2024-09-05	Deactivate		Edit	Delete
3338	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-05	Deactivate		Edit	Delete
3339	How do you create an array in JavaScript?	myArray = [1, 2, 3]	2024-09-05	Deactivate		Edit	Delete
3340	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-05	Deactivate		Edit	Delete
3341	How do you create a vector in C++?	std::vector myVector = {1, 2, 3};	2024-09-05	Deactivate		Edit	Delete
3342	How do you append an element to a list in Python?	my_list.append(4)	2024-09-05	Deactivate		Edit	Delete
3343	How do you append an element to an array in JavaScript?	myArray.push(4)	2024-09-05	Deactivate		Edit	Delete
3344	How do you append an element to a vector in C++?	myVector.push_back(4)	2024-09-05	Deactivate		Edit	Delete
3345	How do you insert an element at a specific position in a list in Python?	my_list.insert(1, 4)	2024-09-05	Deactivate		Edit	Delete
3346	How do you insert an element at a specific position in an array in JavaScript?	myArray.splice(1, 0, 4)	2024-09-05	Deactivate		Edit	Delete
3347	How do you insert an element at a specific position in a vector in C++?	myVector.insert(myVector.begin() + 1, 4)	2024-09-05	Deactivate		Edit	Delete
3348	How do you remove an element at a specific position in a list in Python?	my_list.pop(1)	2024-09-05	Deactivate		Edit	Delete
3349	How do you remove an element at a specific position in an array in JavaScript?	myArray.splice(1, 1)	2024-09-05	Deactivate		Edit	Delete
3350	How do you remove an element at a specific position in a vector in C++?	myVector.erase(myVector.begin() + 1)	2024-09-05	Deactivate		Edit	Delete
3351	How do you loop through a list in Python?	for item in my_list: print(item)	2024-09-05	Deactivate		Edit	Delete
3352	How do you loop through an array in JavaScript?	myArray.forEach(function(item) { console.log(item); });	2024-09-05	Deactivate		Edit	Delete
3353	How do you loop through an array in Java?	for (int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); }	2024-09-05	Deactivate		Edit	Delete
3354	How do you loop through a vector in C++?	for (int i = 0; i < myVector.size(); i++) { std::cout << myVector[i] << std::endl; }	2024-09-05	Deactivate		Edit	Delete
3355	How do you convert a list to a string in Python?	my_string = ",".join(map(str, my_list))	2024-09-05	Deactivate		Edit	Delete
3356	How do you convert an array to a string in JavaScript?	myString = myArray.join(",")	2024-09-05	Deactivate		Edit	Delete
3357	How do you convert an array to a string in Java?	String myString = Arrays.toString(myArray);	2024-09-05	Deactivate		Edit	Delete
3358	How do you convert a vector to a string in C++?	std::string myString = std::accumulate(myVector.begin(), myVector.end(), std::string(), [](std::string a, int b) { return a + "," + std::to_string(b); });	2024-09-05	Deactivate		Edit	Delete
3359	How do you count the number of elements in an array in Java?	count = myArray.length;	2024-09-05	Deactivate		Edit	Delete
3360	How do you count the number of elements in a vector in C++?	count = myVector.size();	2024-09-05	Deactivate		Edit	Delete
3361	How do you remove an element from a list in Python?	my_list.remove(element)	2024-09-05	Deactivate		Edit	Delete
3362	How do you remove an element from an array in JavaScript?	myArray.splice(index, 1)	2024-09-05	Deactivate		Edit	Delete
3363	How do you remove an element from an array in Java?	myArray = ArrayUtils.removeElement(myArray, element);	2024-09-05	Deactivate		Edit	Delete
3364	How do you remove an element from a vector in C++?	myVector.erase(std::remove(myVector.begin(), myVector.end(), element), myVector.end());	2024-09-05	Deactivate		Edit	Delete
3365	How do you find the index of an element in a list in Python?	index = my_list.index(element)	2024-09-05	Deactivate		Edit	Delete
3366	How do you find the index of an element in an array in JavaScript?	index = myArray.indexOf(element)	2024-09-05	Deactivate		Edit	Delete
3367	How do you find the index of an element in an array in Java?	int index = Arrays.asList(myArray).indexOf(element);	2024-09-05	Deactivate		Edit	Delete
3368	How do you find the index of an element in a vector in C++?	auto it = std::find(myVector.begin(), myVector.end(), element); if (it != myVector.end()) { int index = std::distance(myVector.begin(), it); }	2024-09-05	Deactivate		Edit	Delete
3369	How do you sort a list in Python?	my_list.sort()	2024-09-05	Deactivate		Edit	Delete
3370	How do you sort an array in JavaScript?	myArray.sort()	2024-09-05	Deactivate		Edit	Delete
3371	How do you sort an array in Java?	Arrays.sort(myArray)	2024-09-05	Deactivate		Edit	Delete
3372	How do you sort a vector in C++?	std::sort(myVector.begin(), myVector.end());	2024-09-05	Deactivate		Edit	Delete
3373	How do you shuffle a list in Python?	import random random.shuffle(my_list)	2024-09-05	Deactivate		Edit	Delete
3374	How do you shuffle an array in JavaScript?	myArray.sort(() => Math.random() - 0.5)	2024-09-05	Deactivate		Edit	Delete
3375	How do you shuffle an array in Java?	Collections.shuffle(Arrays.asList(myArray));	2024-09-05	Deactivate		Edit	Delete
3376	How do you shuffle a vector in C++?	std::random_shuffle(myVector.begin(), myVector.end());	2024-09-05	Deactivate		Edit	Delete
3377	How do you join a list of strings into a single string in Python?	result = " ".join(my_list)	2024-09-05	Deactivate		Edit	Delete
3378	How do you join an array of strings into a single string in JavaScript?	result = myArray.join(" ");	2024-09-05	Deactivate		Edit	Delete
3379	How do you join an array of strings into a single string in Java?	String result = String.join(" ", myArray);	2024-09-05	Deactivate		Edit	Delete
3380	How do you join a vector of strings into a single string in C++?	std::string result = std::accumulate(myVector.begin(), myVector.end(), std::string(""));	2024-09-05	Deactivate		Edit	Delete
3381	How do you filter a list in Python?	filtered_list = [x for x in my_list if condition]	2024-09-05	Deactivate		Edit	Delete
3382	How do you filter an array in JavaScript?	filteredArray = myArray.filter(condition)	2024-09-05	Deactivate		Edit	Delete
3383	How do you filter an array in Java?	int[] filteredArray = Arrays.stream(myArray).filter(condition).toArray();	2024-09-05	Deactivate		Edit	Delete
3384	How do you filter a vector in C++?	myVector.erase(std::remove_if(myVector.begin(), myVector.end(), condition), myVector.end());	2024-09-05	Deactivate		Edit	Delete
3385	How do you map a function over a list in Python?	mapped_list = list(map(function, my_list))	2024-09-05	Deactivate		Edit	Delete
3386	How do you map a function over an array in JavaScript?	mappedArray = myArray.map(function)	2024-09-05	Deactivate		Edit	Delete
3387	How do you map a function over an array in Java?	int[] mappedArray = Arrays.stream(myArray).map(function).toArray();	2024-09-05	Deactivate		Edit	Delete
3388	How do you map a function over a vector in C++?	std::transform(myVector.begin(), myVector.end(), myVector.begin(), function);	2024-09-05	Deactivate		Edit	Delete
3389	How do you reduce a list to a single value in Python?	result = functools.reduce(function, my_list)	2024-09-05	Deactivate		Edit	Delete
3390	How do you reduce an array to a single value in JavaScript?	result = myArray.reduce(function)	2024-09-05	Deactivate		Edit	Delete
3391	How do you reduce an array to a single value in Java?	int result = Arrays.stream(myArray).reduce(0, function);	2024-09-05	Deactivate		Edit	Delete
3392	How do you reduce a vector to a single value in C++?	int result = std::accumulate(myVector.begin(), myVector.end(), 0);	2024-09-05	Deactivate		Edit	Delete
3393	How do you convert a list to a set in Python?	my_set = set(my_list)	2024-09-05	Deactivate		Edit	Delete
3394	How do you convert an array to a set in JavaScript?	mySet = new Set(myArray)	2024-09-05	Deactivate		Edit	Delete
3395	How do you convert an array to a set in Java?	Set mySet = new HashSet<>(Arrays.asList(myArray));	2024-09-05	Deactivate		Edit	Delete
3396	How do you convert a vector to a set in C++?	std::set mySet(myVector.begin(), myVector.end());	2024-09-05	Deactivate		Edit	Delete
3397	How do you convert a list to a string in Python?	result = str(my_list)	2024-09-05	Deactivate		Edit	Delete
3398	How do you convert an array to a string in JavaScript?	result = myArray.toString();	2024-09-05	Deactivate		Edit	Delete
3399	How do you convert an array to a string in Java?	String result = Arrays.toString(myArray);	2024-09-05	Deactivate		Edit	Delete
3400	How do you convert a vector to a string in C++?	std::stringstream ss; for (int i : myVector) ss << i << " "; std::string result = ss.str();	2024-09-05	Deactivate		Edit	Delete
3401	How do you calculate the factorial of a number in Python?	def factorial(n): return 1 if n == 0 else n * factorial(n-1)	2024-09-05	Deactivate		Edit	Delete
3402	How do you calculate the Fibonacci sequence in Python?	def fibonacci(n): if n <= 1: return n else: return(fibonacci(n-1) + fibonacci(n-2))	2024-09-05	Deactivate		Edit	Delete
3403	How do you reverse a string in JavaScript?	let reversed = str.split("").reverse().join("");	2024-09-05	Deactivate		Edit	Delete
3404	How do you reverse a string in Java?	String reversed = new StringBuilder(str).reverse().toString();	2024-09-05	Deactivate		Edit	Delete
3405	How do you check if a string is a palindrome in Python?	def is_palindrome(s): return s == s[::-1]	2024-09-05	Deactivate		Edit	Delete
3406	How do you find the largest number in an array in JavaScript?	let largest = Math.max(...array);	2024-09-05	Deactivate		Edit	Delete
3407	How do you find the smallest number in an array in Java?	int smallest = Arrays.stream(array).min().getAsInt();	2024-09-05	Deactivate		Edit	Delete
3408	How do you generate a random number in Python?	import random random_number = random.randint(1, 100)	2024-09-05	Deactivate		Edit	Delete
3409	How do you generate a random number in JavaScript?	let randomNumber = Math.floor(Math.random() * 100);	2024-09-05	Deactivate		Edit	Delete
3410	How do you create a simple HTTP server in Python?	import http.server import socketserver PORT = 8080 Handler = http.server.SimpleHTTPRequestHandler with socketserver.TCPServer(("", PORT), Handler) as httpd: print("serving at port", PORT) httpd.serve_forever()	2024-09-05	Deactivate		Edit	Delete
3411	How do you create a simple HTTP server in Node.js?	const http = require("http"); http.createServer((req, res) => { res.write("Hello World"); res.end(); }).listen(8080);	2024-09-05	Deactivate		Edit	Delete
3412	How do you write a file in Python?	with open("filename.txt", "w") as file: file.write("Hello, World!")	2024-09-05	Deactivate		Edit	Delete
3413	How do you write a file in JavaScript?	const fs = require("fs"); fs.writeFile("filename.txt", "Hello, World!", (err) => { if (err) throw err; console.log("The file has been saved!"); });	2024-09-05	Deactivate		Edit	Delete
3414	How do you sort an array of integers in Python?	sorted_array = sorted(my_array)	2024-09-05	Deactivate		Edit	Delete
3415	How do you sort an array of integers in JavaScript?	myArray.sort((a, b) => a - b);	2024-09-05	Deactivate		Edit	Delete
3416	How do you sort an array of integers in Java?	Arrays.sort(myArray);	2024-09-05	Deactivate		Edit	Delete
3417	How do you convert a string to an integer in Python?	my_int = int(my_string)	2024-09-05	Deactivate		Edit	Delete
3418	How do you convert a string to an integer in JavaScript?	let myInt = parseInt(myString);	2024-09-05	Deactivate		Edit	Delete
3419	How do you convert a string to an integer in Java?	int myInt = Integer.parseInt(myString);	2024-09-05	Deactivate		Edit	Delete
3420	How do you concatenate two strings in Python?	result = string1 + string2	2024-09-05	Deactivate		Edit	Delete
3421	How do you concatenate two strings in JavaScript?	let result = string1 + string2;	2024-09-05	Deactivate		Edit	Delete
3422	How do you concatenate two strings in Java?	String result = string1.concat(string2);	2024-09-05	Deactivate		Edit	Delete
3423	How do you check if a number is even in Python?	def is_even(n): return n % 2 == 0	2024-09-05	Deactivate		Edit	Delete
3424	How do you check if a number is even in JavaScript?	function isEven(n) { return n % 2 === 0; }	2024-09-05	Deactivate		Edit	Delete
3425	How do you check if a number is even in Java?	boolean isEven = (n % 2 == 0);	2024-09-05	Deactivate		Edit	Delete
3426	How do you swap two variables in Python?	a, b = b, a	2024-09-05	Deactivate		Edit	Delete
3427	How do you swap two variables in JavaScript?	[a, b] = [b, a];	2024-09-05	Deactivate		Edit	Delete
3428	How do you swap two variables in Java?	int temp = a; a = b; b = temp;	2024-09-05	Deactivate		Edit	Delete
3429	How do you create a class in Python?	class MyClass: def __init__(self): pass	2024-09-05	Deactivate		Edit	Delete
3430	How do you create a class in JavaScript?	class MyClass { constructor() { // constructor body } }	2024-09-05	Deactivate		Edit	Delete
3431	How do you create a class in Java?	class MyClass { MyClass() { // constructor body } }	2024-09-05	Deactivate		Edit	Delete
3432	How do you declare a variable in Python?	x = 10	2024-09-05	Deactivate		Edit	Delete
3433	How do you declare a variable in JavaScript?	let x = 10;	2024-09-05	Deactivate		Edit	Delete
3434	How do you declare a variable in Java?	int x = 10;	2024-09-05	Deactivate		Edit	Delete
3435	How do you create a list in Python?	my_list = [1, 2, 3]	2024-09-05	Deactivate		Edit	Delete
3436	How do you create an array in JavaScript?	let myArray = [1, 2, 3];	2024-09-05	Deactivate		Edit	Delete
3437	How do you create an array in Java?	int[] myArray = {1, 2, 3};	2024-09-05	Deactivate		Edit	Delete
3438	How do you create a function in Python?	def my_function(): print("Hello World")	2024-09-05	Deactivate		Edit	Delete
3439	How do you create a function in JavaScript?	function myFunction() { console.log("Hello World"); }	2024-09-05	Deactivate		Edit	Delete
3440	How do you create a method in Java?	public void myMethod() { System.out.println("Hello World"); }	2024-09-05	Deactivate		Edit	Delete
3441	How do you loop through a list in Python?	for item in my_list: print(item)	2024-09-05	Deactivate		Edit	Delete
3442	How do you loop through an array in JavaScript?	myArray.forEach(item => console.log(item));	2024-09-05	Deactivate		Edit	Delete
3443	How do you loop through an array in Java?	for(int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); }	2024-09-05	Deactivate		Edit	Delete
3444	How do you handle exceptions in Python?	try: # code except Exception as e: print(e)	2024-09-05	Deactivate		Edit	Delete
3445	How do you handle exceptions in JavaScript?	try { // code } catch (e) { console.log(e); }	2024-09-05	Deactivate		Edit	Delete
3446	How do you handle exceptions in Java?	try { // code } catch (Exception e) { e.printStackTrace(); }	2024-09-05	Deactivate		Edit	Delete
3447	How do you read a file in Python?	with open("file.txt", "r") as file: data = file.read()	2024-09-05	Deactivate		Edit	Delete
3448	How do you read a file in JavaScript?	const fs = require("fs"); fs.readFile("file.txt", "utf8", (err, data) => { if (err) throw err; console.log(data); });	2024-09-05	Deactivate		Edit	Delete
3449	How do you read a file in Java?	BufferedReader reader = new BufferedReader(new FileReader("file.txt")); String line; while ((line = reader.readLine()) != null) { System.out.println(line); }	2024-09-05	Deactivate		Edit	Delete
3450	How do you write a function that returns multiple values in Python?	def my_function(): return value1, value2	2024-09-05	Deactivate		Edit	Delete
3451	How do you return multiple values from a function in JavaScript?	function myFunction() { return [value1, value2]; }	2024-09-05	Deactivate		Edit	Delete
3452	How do you return multiple values from a function in Java?	public Object[] myFunction() { return new Object[]{value1, value2}; }	2024-09-05	Deactivate		Edit	Delete
3453	How do you find the length of a list in Python?	list_length = len(my_list)	2024-09-05	Deactivate		Edit	Delete
3454	How do you find the length of an array in JavaScript?	let length = myArray.length;	2024-09-05	Deactivate		Edit	Delete
3455	How do you find the length of an array in Java?	int length = myArray.length;	2024-09-05	Deactivate		Edit	Delete
3456	How do you remove an item from a list in Python?	my_list.remove(item)	2024-09-05	Deactivate		Edit	Delete
3457	How do you remove an item from an array in JavaScript?	myArray.splice(index, 1);	2024-09-05	Deactivate		Edit	Delete
3458	How do you remove an element from an array in Java?	List list = new ArrayList<>(Arrays.asList(array)); list.remove(Integer.valueOf(element));	2024-09-05	Deactivate		Edit	Delete
3459	How do you reverse a string in Python?	reversed_string = my_string[::-1]	2024-09-05	Deactivate		Edit	Delete
3460	How do you reverse a string in JavaScript?	let reversed = myString.split("").reverse().join("");	2024-09-05	Deactivate		Edit	Delete
3461	How do you reverse a string in Java?	String reversed = new StringBuilder(myString).reverse().toString();	2024-09-05	Deactivate		Edit	Delete
3462	How do you create a dictionary in Python?	my_dict = {"key": "value"}	2024-09-05	Deactivate		Edit	Delete
3463	How do you create an object in JavaScript?	let myObject = {key: "value"};	2024-09-05	Deactivate		Edit	Delete
3464	How do you create a HashMap in Java?	HashMap myMap = new HashMap<>();	2024-09-05	Deactivate		Edit	Delete
3465	How do you sort a list in Python?	sorted_list = sorted(my_list)	2024-09-05	Deactivate		Edit	Delete
3466	How do you sort an array in JavaScript?	myArray.sort();	2024-09-05	Deactivate		Edit	Delete
3467	How do you sort an array in Java?	Arrays.sort(myArray);	2024-09-05	Deactivate		Edit	Delete
3468	How do you check if a key exists in a Python dictionary?	"key" in my_dict	2024-09-05	Deactivate		Edit	Delete
3469	How do you check if a property exists in a JavaScript object?	if ("key" in myObject) { ... }	2024-09-05	Deactivate		Edit	Delete
3470	How do you check if a key exists in a Java HashMap?	if (myMap.containsKey("key")) { ... }	2024-09-05	Deactivate		Edit	Delete
3471	How do you write a recursive function in Python?	def factorial(n): if n == 1: return 1 else: return n * factorial(n-1)	2024-09-05	Deactivate		Edit	Delete
3472	How do you write a recursive function in JavaScript?	function factorial(n) { if (n === 1) return 1; return n * factorial(n - 1); }	2024-09-05	Deactivate		Edit	Delete
3473	How do you write a recursive function in Java?	public int factorial(int n) { if (n == 1) return 1; return n * factorial(n - 1); }	2024-09-05	Deactivate		Edit	Delete
3474	How do you write a lambda function in Python?	lambda_func = lambda x: x + 10	2024-09-05	Deactivate		Edit	Delete
3475	How do you write an arrow function in JavaScript?	const addTen = (x) => x + 10;	2024-09-05	Deactivate		Edit	Delete
3476	How do you create an anonymous class in Java?	Runnable myRunnable = new Runnable() { public void run() { System.out.println("Running"); } };	2024-09-05	Deactivate		Edit	Delete
3477	How do you merge two lists in Python?	merged_list = list1 + list2	2024-09-05	Deactivate		Edit	Delete
3478	How do you merge two arrays in JavaScript?	let mergedArray = array1.concat(array2);	2024-09-05	Deactivate		Edit	Delete
3479	How do you merge two arrays in Java?	int[] mergedArray = Stream.concat(Arrays.stream(array1), Arrays.stream(array2)).toArray();	2024-09-05	Deactivate		Edit	Delete
3480	How do you remove duplicates from a list in Python?	unique_list = list(set(my_list))	2024-09-05	Deactivate		Edit	Delete
3481	How do you remove duplicates from an array in JavaScript?	let uniqueArray = [...new Set(myArray)];	2024-09-05	Deactivate		Edit	Delete
3482	How do you remove duplicates from an array in Java?	Set uniqueSet = new HashSet<>(Arrays.asList(myArray));	2024-09-05	Deactivate		Edit	Delete
3483	How do you generate a random number in Python?	import random random_number = random.randint(1, 100)	2024-09-05	Deactivate		Edit	Delete
3484	How do you generate a random number in JavaScript?	let randomNumber = Math.floor(Math.random() * 100) + 1;	2024-09-05	Deactivate		Edit	Delete
3485	How do you generate a random number in Java?	Random random = new Random(); int randomNumber = random.nextInt(100);	2024-09-05	Deactivate		Edit	Delete
3486	How do you check if a list is empty in Python?	if not my_list: # List is empty	2024-09-05	Deactivate		Edit	Delete
3487	How do you check if an array is empty in JavaScript?	if (myArray.length === 0) { // Array is empty }	2024-09-05	Deactivate		Edit	Delete
3488	How do you reverse a string in Python?	You can reverse a string in Python using slicing: `reversed_string = original_string[::-1]`.	2024-09-05	Deactivate		Edit	Delete
3489	What is a for loop in JavaScript?	A for loop in JavaScript is used to execute a block of code a certain number of times. Syntax: `for (initialization; condition; update) { // code to be executed }`.	2024-09-05	Deactivate		Edit	Delete
3490	How do you declare a variable in Java?	In Java, you declare a variable by specifying the type followed by the variable name: `int variableName;`	2024-09-05	Deactivate		Edit	Delete
3491	What is a tuple in Python?	A tuple in Python is an immutable sequence type. It is created using parentheses: `my_tuple = (1, 2, 3)`.	2024-09-05	Deactivate		Edit	Delete
3492	How do you create a function in C++?	In C++, you create a function by specifying the return type, function name, and parameters: `returnType functionName(parameters) { // function body }`.	2024-09-05	Deactivate		Edit	Delete
3493	What is the purpose of the `try` block in Java?	The `try` block in Java is used to enclose code that might throw an exception. It is followed by one or more `catch` blocks to handle the exceptions.	2024-09-05	Deactivate		Edit	Delete
3494	How do you declare a constant in C#?	In C#, you declare a constant using the `const` keyword: `const int MAX_VALUE = 100;`	2024-09-05	Deactivate		Edit	Delete
3495	What is a lambda function in JavaScript?	A lambda function in JavaScript is an anonymous function defined with the arrow syntax: `const myFunction = (parameters) => { // code }`.	2024-09-05	Deactivate		Edit	Delete
3496	How do you handle exceptions in Python?	In Python, exceptions are handled using the `try` and `except` blocks: `try: // code except ExceptionType: // handle exception`.	2024-09-05	Deactivate		Edit	Delete
3497	What is a class in Java?	A class in Java is a blueprint for creating objects. It defines attributes (fields) and methods (functions) that the objects created from the class will have.	2024-09-05	Deactivate		Edit	Delete
3498	How do you read a file in Python?	In Python, you can read a file using the `open` function with the read mode: `with open('filename.txt', 'r') as file: content = file.read()`.	2024-09-05	Deactivate		Edit	Delete
3499	What is the use of `this` keyword in Java?	The `this` keyword in Java refers to the current instance of the class. It is used to access instance variables and methods from within the class.	2024-09-05	Deactivate		Edit	Delete
3500	How do you create a list in Python?	In Python, you create a list using square brackets: `my_list = [1, 2, 3, 4]`.	2024-09-05	Deactivate		Edit	Delete
3501	What is a switch statement in C++?	A switch statement in C++ allows multi-way branching. Syntax: `switch (expression) { case value1: // code; break; case value2: // code; break; default: // code; }`.	2024-09-05	Deactivate		Edit	Delete
3502	How do you define a class in Python?	In Python, you define a class using the `class` keyword: `class MyClass: def __init__(self, value): self.value = value`.	2024-09-05	Deactivate		Edit	Delete
3503	What is the purpose of the `main` function in C?	In C, the `main` function is the entry point of the program. It is where execution begins and can return an integer to the operating system.	2024-09-05	Deactivate		Edit	Delete
3504	How do you declare an array in JavaScript?	In JavaScript, you declare an array using square brackets: `let myArray = [1, 2, 3, 4]`.	2024-09-05	Deactivate		Edit	Delete
3505	What is the difference between `==` and `===` in JavaScript?	`==` compares values for equality with type coercion, while `===` compares both value and type without coercion.	2024-09-05	Deactivate		Edit	Delete
3506	How do you create a constructor in C++?	In C++, a constructor is created by defining a method with the same name as the class and no return type: `ClassName() { // constructor body }`.	2024-09-05	Deactivate		Edit	Delete
3507	What is the purpose of the `break` statement in C?	The `break` statement in C is used to exit from a loop or switch statement prematurely.	2024-09-05	Deactivate		Edit	Delete
3508	How do you create a dictionary in Python?	In Python, you create a dictionary using curly braces: `my_dict = {'key1': 'value1', 'key2': 'value2'}`.	2024-09-05	Deactivate		Edit	Delete
3509	What is the `self` keyword in Python?	The `self` keyword in Python represents the instance of the class. It is used to access variables and methods associated with the instance.	2024-09-05	Deactivate		Edit	Delete
3510	How do you concatenate strings in Java?	In Java, you concatenate strings using the `+` operator: `String result = str1 + str2;`.	2024-09-05	Deactivate		Edit	Delete
3511	What is a destructor in C++?	A destructor in C++ is a method that is called when an object is destroyed. It has the same name as the class prefixed with a tilde: `~ClassName() { // destructor body }`.	2024-09-05	Deactivate		Edit	Delete
3512	How do you declare a method in Java?	In Java, you declare a method by specifying the return type, method name, and parameters: `returnType methodName(parameters) { // method body }`.	2024-09-05	Deactivate		Edit	Delete
3513	What is a set in Python?	A set in Python is an unordered collection of unique items. It is created using curly braces: `my_set = {1, 2, 3}`.	2024-09-05	Deactivate		Edit	Delete
3514	How do you define a function in JavaScript?	In JavaScript, you define a function using the `function` keyword: `function myFunction(parameters) { // function body }`.	2024-09-05	Deactivate		Edit	Delete
3515	What is the difference between `let` and `var` in JavaScript?	`let` has block scope while `var` has function scope. `let` also does not hoist, whereas `var` does.	2024-09-05	Deactivate		Edit	Delete
3516	How do you create a method in Python?	In Python, you create a method inside a class using the `def` keyword: `def method_name(self, parameters):`.	2024-09-05	Deactivate		Edit	Delete
3517	What is a `void` function in C++?	A `void` function in C++ does not return a value. Its return type is `void`: `void functionName() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3518	How do you initialize a list in Java?	In Java, you can initialize a list using the `ArrayList` class: `List list = new ArrayList<>(Arrays.asList("item1", "item2"));`.	2024-09-05	Deactivate		Edit	Delete
3519	What is the purpose of the `return` statement in Python?	The `return` statement is used to exit a function and return a value to the caller.	2024-09-05	Deactivate		Edit	Delete
3520	How do you create a set in Java?	In Java, you create a set using the `HashSet` class: `Set set = new HashSet<>(Arrays.asList("item1", "item2"));`.	2024-09-05	Deactivate		Edit	Delete
3521	What is a method signature in Java?	A method signature in Java includes the method name and parameter list, but not the return type: `methodName(parameterType1, parameterType2)`.	2024-09-05	Deactivate		Edit	Delete
3522	How do you handle files in C++?	In C++, you handle files using file streams. You include the `fstream` header and use `ifstream` for reading and `ofstream` for writing.	2024-09-05	Deactivate		Edit	Delete
3523	What is the purpose of the `continue` statement in Java?	The `continue` statement in Java skips the current iteration of a loop and proceeds to the next iteration.	2024-09-05	Deactivate		Edit	Delete
3524	How do you declare a static variable in C++?	In C++, you declare a static variable inside a class using the `static` keyword: `static int staticVar;`.	2024-09-05	Deactivate		Edit	Delete
3525	What is a generator in Python?	A generator in Python is a function that returns an iterator. It is defined using `yield` instead of `return`.	2024-09-05	Deactivate		Edit	Delete
3526	How do you define a variable in PHP?	In PHP, you define a variable with the `$` symbol: `$variableName = value;`.	2024-09-05	Deactivate		Edit	Delete
3527	What is the purpose of the `continue` statement in Python?	The `continue` statement in Python skips the rest of the code inside a loop for the current iteration and proceeds to the next iteration.	2024-09-05	Deactivate		Edit	Delete
3528	How do you define a constant in JavaScript?	In JavaScript, you define a constant using the `const` keyword: `const MY_CONSTANT = 100;`.	2024-09-05	Deactivate		Edit	Delete
3529	What is the purpose of the `abstract` class in Java?	An `abstract` class in Java cannot be instantiated and is used to define methods that must be implemented by subclasses.	2024-09-05	Deactivate		Edit	Delete
3530	How do you create a thread in Java?	In Java, you create a thread by implementing the `Runnable` interface or extending the `Thread` class: `class MyThread extends Thread { public void run() { // code } }`.	2024-09-05	Deactivate		Edit	Delete
3531	What is the purpose of the `static` keyword in Java?	The `static` keyword in Java indicates that a member belongs to the class rather than any instance of the class.	2024-09-05	Deactivate		Edit	Delete
3532	How do you handle exceptions in C++?	In C++, exceptions are handled using `try`, `catch`, and `throw`: `try { // code } catch (ExceptionType e) { // handle exception }`.	2024-09-05	Deactivate		Edit	Delete
3533	What is a constructor in Python?	A constructor in Python is a special method called `__init__` that is automatically called when an object is created.	2024-09-05	Deactivate		Edit	Delete
3534	How do you create an object in JavaScript?	In JavaScript, you create an object using object literals: `let obj = { key1: value1, key2: value2 };`.	2024-09-05	Deactivate		Edit	Delete
3535	What is the purpose of the `volatile` keyword in C?	The `volatile` keyword in C tells the compiler that the value of a variable may change at any time, preventing optimizations that assume its value is constant.	2024-09-05	Deactivate		Edit	Delete
3536	How do you access an element in a list in Python?	In Python, you access an element in a list using indexing: `element = my_list[index]`.	2024-09-05	Deactivate		Edit	Delete
3537	What is the use of the `super` keyword in Java?	The `super` keyword in Java is used to refer to the superclass of the current object. It can be used to call superclass methods and constructors.	2024-09-05	Deactivate		Edit	Delete
3538	How do you create a method in C++?	In C++, you create a method by defining it within a class: `returnType methodName(parameters) { // method body }`.	2024-09-05	Deactivate		Edit	Delete
3539	What is a `queue` in Java?	A `queue` in Java is a data structure that follows the FIFO (First In, First Out) principle. It can be implemented using the `Queue` interface.	2024-09-05	Deactivate		Edit	Delete
3540	How do you declare a constant in Java?	In Java, you declare a constant using the `final` keyword: `final int MAX_VALUE = 100;`.	2024-09-05	Deactivate		Edit	Delete
3541	What is a `linked list` in C++?	A `linked list` in C++ is a data structure where elements (nodes) are linked using pointers. Each node contains data and a pointer to the next node.	2024-09-05	Deactivate		Edit	Delete
3542	How do you handle null values in Java?	In Java, you handle null values by checking for null before using an object: `if (object != null) { // use object }`.	2024-09-05	Deactivate		Edit	Delete
3543	What is the purpose of `continue` in C++?	The `continue` statement in C++ skips the rest of the code inside a loop for the current iteration and proceeds with the next iteration.	2024-09-05	Deactivate		Edit	Delete
3544	How do you declare a function in PHP?	In PHP, you declare a function using the `function` keyword: `function myFunction($param) { // code }`.	2024-09-05	Deactivate		Edit	Delete
3545	What is the difference between `while` and `do-while` loops in C++?	In a `while` loop, the condition is checked before the loop executes. In a `do-while` loop, the condition is checked after the loop executes.	2024-09-05	Deactivate		Edit	Delete
3546	How do you define a class in C#?	In C#, you define a class using the `class` keyword: `class MyClass { public int MyProperty { get; set; } }`.	2024-09-05	Deactivate		Edit	Delete
3547	What is a `deque` in Python?	A `deque` (double-ended queue) in Python is a data structure from the `collections` module that allows fast appends and pops from both ends: `from collections import deque`.	2024-09-05	Deactivate		Edit	Delete
3548	How do you perform type conversion in Java?	In Java, you perform type conversion using casting: `int num = (int) doubleValue;`.	2024-09-05	Deactivate		Edit	Delete
3549	What is a lambda expression in C#?	A lambda expression in C# is an anonymous function that can be used to create delegates or expression tree types: `x => x * x`.	2024-09-05	Deactivate		Edit	Delete
3550	How do you define an interface in Java?	In Java, you define an interface using the `interface` keyword: `interface MyInterface { void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3551	What is a `struct` in C++?	A `struct` in C++ is a user-defined data type that groups related variables. It is similar to a class but with public members by default.	2024-09-05	Deactivate		Edit	Delete
3552	How do you check if a list is empty in Python?	In Python, you can check if a list is empty using the condition `if not my_list:`.	2024-09-05	Deactivate		Edit	Delete
3553	What is the purpose of the `default` keyword in C++?	The `default` keyword in C++ is used to specify default behavior for special member functions like constructors, destructors, and assignment operators.	2024-09-05	Deactivate		Edit	Delete
3554	How do you implement inheritance in Java?	In Java, you implement inheritance using the `extends` keyword: `class SubClass extends SuperClass { }`.	2024-09-05	Deactivate		Edit	Delete
3555	What is a `thread` in Java?	A `thread` in Java is a lightweight process that runs concurrently with other threads. It is created by extending the `Thread` class or implementing the `Runnable` interface.	2024-09-05	Deactivate		Edit	Delete
3556	How do you declare a dictionary in PHP?	In PHP, you declare a dictionary using associative arrays: `$myDict = array("key1" => "value1", "key2" => "value2");`.	2024-09-05	Deactivate		Edit	Delete
3557	What is the purpose of the `break` statement in Python?	The `break` statement in Python is used to exit a loop prematurely, bypassing the remaining code in the loop and continuing execution after the loop.	2024-09-05	Deactivate		Edit	Delete
3558	How do you create a method in Java?	In Java, you create a method by specifying the return type, method name, and parameters: `returnType methodName(parameters) { // method body }`.	2024-09-05	Deactivate		Edit	Delete
3559	What is a `constructor` in JavaScript?	In JavaScript, a constructor is a special function used to create and initialize objects. It is defined with the `function` keyword and called with the `new` keyword: `function MyConstructor() { this.value = 1; }`.	2024-09-05	Deactivate		Edit	Delete
3560	How do you create an array in C#?	In C#, you create an array by specifying the type and size: `int[] myArray = new int[10];`.	2024-09-05	Deactivate		Edit	Delete
3561	What is the purpose of the `synchronized` keyword in Java?	The `synchronized` keyword in Java is used to control access to a block of code or an object by multiple threads, ensuring that only one thread can access the code at a time.	2024-09-05	Deactivate		Edit	Delete
3562	How do you handle exceptions in JavaScript?	In JavaScript, exceptions are handled using `try`, `catch`, and `finally`: `try { // code } catch (error) { // handle error } finally { // cleanup }`.	2024-09-05	Deactivate		Edit	Delete
3563	What is the `null` keyword in JavaScript?	In JavaScript, `null` is a special value representing the intentional absence of any object value.	2024-09-05	Deactivate		Edit	Delete
3564	How do you declare a variable in C++?	In C++, you declare a variable by specifying its type and name: `type variableName;`.	2024-09-05	Deactivate		Edit	Delete
3565	What is a `pointer` in C++?	A `pointer` in C++ is a variable that stores the memory address of another variable. It is declared using the `*` operator: `int* ptr;`.	2024-09-05	Deactivate		Edit	Delete
3566	How do you create a file in Python?	In Python, you create a file by opening it in write mode: `with open('filename.txt', 'w') as file: file.write('content')`.	2024-09-05	Deactivate		Edit	Delete
3567	What is the purpose of the `new` keyword in C++?	The `new` keyword in C++ is used to allocate memory dynamically for an object or array and returns a pointer to the allocated memory.	2024-09-05	Deactivate		Edit	Delete
3568	How do you define a static method in Java?	In Java, you define a static method using the `static` keyword: `public static void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3569	What is a `list comprehension` in Python?	A list comprehension in Python is a concise way to create lists using a single line of code: `[expression for item in iterable if condition]`.	2024-09-05	Deactivate		Edit	Delete
3570	How do you create a dictionary in Python?	In Python, you create a dictionary using curly braces and key-value pairs: `my_dict = {'key1': 'value1', 'key2': 'value2'}`.	2024-09-05	Deactivate		Edit	Delete
3571	What is the purpose of the `return` statement in Java?	The `return` statement in Java is used to exit a method and optionally return a value to the caller.	2024-09-05	Deactivate		Edit	Delete
3572	How do you create a method in PHP?	In PHP, you create a method within a class using the `function` keyword: `function methodName() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3573	What is the `interface` keyword used for in C#?	In C#, the `interface` keyword is used to define an interface, which specifies a contract that implementing classes must adhere to: `interface IMyInterface { void MyMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3574	How do you initialize a variable in Java?	In Java, you initialize a variable by assigning a value to it: `int x = 10;`.	2024-09-05	Deactivate		Edit	Delete
3575	What is a `binary search` algorithm?	A `binary search` algorithm is used to find the position of a target value within a sorted array by repeatedly dividing the search interval in half.	2024-09-05	Deactivate		Edit	Delete
3576	How do you create a class in Python?	In Python, you create a class using the `class` keyword: `class MyClass: def __init__(self): # code`.	2024-09-05	Deactivate		Edit	Delete
3577	What is the purpose of the `this` keyword in JavaScript?	The `this` keyword in JavaScript refers to the object that is currently executing the code or the context in which a function was called.	2024-09-05	Deactivate		Edit	Delete
3578	How do you create a variable in C#?	In C#, you create a variable by specifying its type and name: `int myVariable;`.	2024-09-05	Deactivate		Edit	Delete
3579	What is the `finally` block in JavaScript?	The `finally` block in JavaScript is used in conjunction with `try` and `catch` to execute code after exception handling, regardless of whether an exception was thrown.	2024-09-05	Deactivate		Edit	Delete
3580	How do you declare a constant in Python?	In Python, you declare a constant by defining a variable in uppercase: `MY_CONSTANT = 100`.	2024-09-05	Deactivate		Edit	Delete
3581	What is the `extends` keyword used for in Java?	The `extends` keyword in Java is used to create a subclass from a superclass, allowing the subclass to inherit methods and fields from the superclass.	2024-09-05	Deactivate		Edit	Delete
3582	How do you access a class variable in Python?	In Python, you access a class variable using the class name: `ClassName.variableName`.	2024-09-05	Deactivate		Edit	Delete
3583	What is a `static` class in C#?	A `static` class in C# is a class that cannot be instantiated and can only contain static members: `public static class MyStaticClass { }`.	2024-09-05	Deactivate		Edit	Delete
3584	How do you declare a function in JavaScript?	In JavaScript, you declare a function using the `function` keyword: `function myFunction() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3585	What is a `virtual` function in C++?	A `virtual` function in C++ is a function declared in a base class that can be overridden in a derived class: `virtual void myFunction();`.	2024-09-05	Deactivate		Edit	Delete
3586	How do you create a map in Java?	In Java, you create a map using the `HashMap` class: `Map map = new HashMap<>();`.	2024-09-05	Deactivate		Edit	Delete
3587	What is the `final` keyword used for in Java?	The `final` keyword in Java is used to define constants, prevent method overriding, and inheritance of classes: `final int MAX_VALUE = 100;`.	2024-09-05	Deactivate		Edit	Delete
3588	How do you create a set in Python?	In Python, you create a set using curly braces or the `set()` constructor: `my_set = {1, 2, 3}` or `my_set = set([1, 2, 3])`.	2024-09-05	Deactivate		Edit	Delete
3589	What is the `volatile` keyword in Java?	The `volatile` keyword in Java indicates that a variable’s value will be modified by different threads, ensuring that changes are visible to all threads.	2024-09-05	Deactivate		Edit	Delete
3590	How do you define a method in C#?	In C#, you define a method by specifying its return type, name, and parameters: `returnType MethodName(parameters) { // method body }`.	2024-09-05	Deactivate		Edit	Delete
3591	What is a `hash table` in Java?	A `hash table` in Java is a data structure that maps keys to values using a hash function. It is implemented by the `HashMap` class.	2024-09-05	Deactivate		Edit	Delete
3592	How do you access a class variable in Java?	In Java, you access a class variable using the class name: `ClassName.variableName`.	2024-09-05	Deactivate		Edit	Delete
3593	What is a `base class` in C++?	A `base class` in C++ is a class that provides common attributes and methods for derived classes. It is also known as a parent class or superclass.	2024-09-05	Deactivate		Edit	Delete
3594	How do you define a property in C#?	In C#, you define a property using the `get` and `set` accessors: `public int MyProperty { get; set; }`.	2024-09-05	Deactivate		Edit	Delete
3595	What is a `hash set` in Java?	A `hash set` in Java is a data structure that implements the `Set` interface using a hash table. It is implemented by the `HashSet` class.	2024-09-05	Deactivate		Edit	Delete
3596	How do you handle errors in C#?	In C#, errors are handled using `try`, `catch`, `finally`, and `throw`: `try { // code } catch (Exception e) { // handle exception } finally { // cleanup }`.	2024-09-05	Deactivate		Edit	Delete
3597	What is the `using` directive in C#?	The `using` directive in C# is used to include namespaces in a file: `using System;`.	2024-09-05	Deactivate		Edit	Delete
3598	How do you declare a variable in PHP?	In PHP, you declare a variable using the `$` symbol: `$myVariable = value;`.	2024-09-05	Deactivate		Edit	Delete
3599	What is the purpose of the `abstract` keyword in Java?	The `abstract` keyword in Java is used to declare classes and methods that cannot be instantiated or used directly but must be extended or implemented by other classes.	2024-09-05	Deactivate		Edit	Delete
3600	How do you create a constructor in C++?	In C++, you create a constructor by defining a method with the same name as the class and no return type: `ClassName() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3601	How do you handle exceptions in Python?	In Python, exceptions are handled using `try` and `except`: `try: # code except Exception as e: # handle exception`.	2024-09-05	Deactivate		Edit	Delete
3602	What is a `struct` in C++?	A `struct` in C++ is a user-defined data type that groups related variables: `struct MyStruct { int x; float y; };`.	2024-09-05	Deactivate		Edit	Delete
3603	How do you define a function in JavaScript?	In JavaScript, you define a function using the `function` keyword: `function myFunction() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3604	What is the purpose of `void` in C#?	In C#, `void` specifies that a method does not return a value: `void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3605	How do you declare a constant in Java?	In Java, you declare a constant using the `final` keyword: `public static final int MY_CONSTANT = 10;`.	2024-09-05	Deactivate		Edit	Delete
3606	What is the use of `super()` in Python?	In Python, `super()` is used to call methods from a parent class: `class Child(Parent): def __init__(self): super().__init__()`.	2024-09-05	Deactivate		Edit	Delete
3607	How do you create a class in C#?	In C#, you create a class using the `class` keyword: `class MyClass { // fields and methods }`.	2024-09-05	Deactivate		Edit	Delete
3608	What is a `lambda` function in Python?	A `lambda` function in Python is an anonymous function defined with the `lambda` keyword: `lambda x: x * 2`.	2024-09-05	Deactivate		Edit	Delete
3609	How do you initialize a list in Java?	In Java, you initialize a list using the `ArrayList` class: `List list = new ArrayList<>();`.	2024-09-05	Deactivate		Edit	Delete
3610	What is a `constructor` in Python?	In Python, a `constructor` is defined using the `__init__` method: `class MyClass: def __init__(self, value): self.value = value`.	2024-09-05	Deactivate		Edit	Delete
3611	How do you create a `map` in C++?	In C++, you create a `map` using the `std::map` class: `std::map myMap;`.	2024-09-05	Deactivate		Edit	Delete
3612	What is a `macro` in C?	A `macro` in C is a preprocessor directive used to define constants or code snippets: `#define MAX 100`.	2024-09-05	Deactivate		Edit	Delete
3613	How do you handle null values in JavaScript?	In JavaScript, you handle null values using conditional checks: `if (value === null) { // handle null }`.	2024-09-05	Deactivate		Edit	Delete
3614	What is a `closure` in JavaScript?	A `closure` in JavaScript is a function that retains access to its lexical scope even when executed outside that scope: `function outer() { let x = 1; return function inner() { console.log(x); } }`.	2024-09-05	Deactivate		Edit	Delete
3615	How do you define a `tuple` in Python?	In Python, you define a tuple using parentheses: `my_tuple = (1, 2, 3)`.	2024-09-05	Deactivate		Edit	Delete
3616	What is an `iterator` in Java?	An `iterator` in Java is an object used to traverse a collection: `Iterator iterator = list.iterator();`.	2024-09-05	Deactivate		Edit	Delete
3617	How do you define a property in C#?	In C#, you define a property using `get` and `set` accessors: `public int MyProperty { get; set; }`.	2024-09-05	Deactivate		Edit	Delete
3618	What is an `abstract` class in Java?	An `abstract` class in Java cannot be instantiated and may contain abstract methods: `abstract class MyClass { abstract void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3619	How do you use `extends` in Java?	In Java, `extends` is used to create a subclass: `class SubClass extends SuperClass { // code }`.	2024-09-05	Deactivate		Edit	Delete
3620	What is the difference between `==` and `===` in JavaScript?	In JavaScript, `==` checks for equality with type coercion, while `===` checks for strict equality without type coercion: `a == b` vs `a === b`.	2024-09-05	Deactivate		Edit	Delete
3621	How do you create an array in JavaScript?	In JavaScript, you create an array using square brackets: `let arr = [1, 2, 3];`.	2024-09-05	Deactivate		Edit	Delete
3622	What is a `linked list` in Python?	A `linked list` in Python is a collection of nodes where each node contains data and a reference to the next node: `class Node: def __init__(self, data): self.data = data; self.next = None`.	2024-09-05	Deactivate		Edit	Delete
3623	How do you declare a variable in Ruby?	In Ruby, you declare a variable without specifying its type: `my_var = 10`.	2024-09-05	Deactivate		Edit	Delete
3624	What is a `for` loop in Python?	In Python, a `for` loop is used to iterate over a sequence: `for item in sequence: # code`.	2024-09-05	Deactivate		Edit	Delete
3625	How do you handle asynchronous operations in JavaScript?	In JavaScript, you handle asynchronous operations using `async` and `await`: `async function myFunction() { await fetch(url); }`.	2024-09-05	Deactivate		Edit	Delete
3626	What is a `view` in MVC architecture?	In MVC architecture, a `view` is responsible for displaying data to the user: `public IActionResult Index() { return View(); }`.	2024-09-05	Deactivate		Edit	Delete
3627	How do you define a `method` in Swift?	In Swift, you define a method using the `func` keyword: `func myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3628	What is a `hashmap` in Java?	A `HashMap` in Java is a collection that maps keys to values: `HashMap map = new HashMap<>();`.	2024-09-05	Deactivate		Edit	Delete
3629	How do you implement recursion in Python?	In Python, you implement recursion by defining a function that calls itself: `def factorial(n): if n == 0: return 1; return n * factorial(n - 1)`.	2024-09-05	Deactivate		Edit	Delete
3630	What is the `volatile` keyword in Java?	The `volatile` keyword in Java indicates that a variable may be changed by multiple threads: `volatile int sharedVar;`.	2024-09-05	Deactivate		Edit	Delete
3631	How do you declare a `class` in Ruby?	In Ruby, you declare a class using the `class` keyword: `class MyClass; end`.	2024-09-05	Deactivate		Edit	Delete
3632	What is a `callback` function in JavaScript?	A `callback` function in JavaScript is a function passed as an argument to another function and executed after the completion of a task: `function process(data, callback) { callback(data); }`.	2024-09-05	Deactivate		Edit	Delete
3633	How do you create a `set` in Python?	In Python, you create a set using curly braces: `my_set = {1, 2, 3}`.	2024-09-05	Deactivate		Edit	Delete
3634	What is a `context manager` in Python?	A `context manager` in Python is used to manage resources with the `with` statement: `with open("file.txt") as file: # code`.	2024-09-05	Deactivate		Edit	Delete
3635	How do you create a new thread in Java?	In Java, you create a new thread by implementing `Runnable` or extending `Thread`: `Thread t = new Thread(() -> { // code }); t.start();`.	2024-09-05	Deactivate		Edit	Delete
3636	What is a `private` method in Java?	A `private` method in Java is accessible only within the class it is defined: `private void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3637	How do you use `try-catch` in C++?	In C++, you use `try` and `catch` blocks for exception handling: `try { // code } catch (const std::exception& e) { // handle exception }`.	2024-09-05	Deactivate		Edit	Delete
3638	What is a `generic` method in Java?	A `generic` method in Java allows for parameterized types: `public void printArray(T[] array) { for (T element : array) { System.out.println(element); } }`.	2024-09-05	Deactivate		Edit	Delete
3639	How do you use `await` in JavaScript?	In JavaScript, `await` is used with `async` functions to wait for promises to resolve: `async function fetchData() { let data = await fetch(url); }`.	2024-09-05	Deactivate		Edit	Delete
3640	What is a `getter` method in Java?	A `getter` method in Java is used to access the value of a private field: `public int getMyField() { return myField; }`.	2024-09-05	Deactivate		Edit	Delete
3641	How do you define an `enum` in C++?	In C++, you define an `enum` using the `enum` keyword: `enum Color { RED, GREEN, BLUE };`.	2024-09-05	Deactivate		Edit	Delete
3642	What is a `module` in Python?	A `module` in Python is a file containing Python definitions and statements: `# my_module.py`.	2024-09-05	Deactivate		Edit	Delete
3643	How do you declare a method in Swift?	In Swift, you declare a method using the `func` keyword: `func myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3644	What is a `volatile` keyword in C++?	The `volatile` keyword in C++ indicates that a variable may be changed by external factors: `volatile int myVar;`.	2024-09-05	Deactivate		Edit	Delete
3645	How do you implement a stack in C++?	In C++, you can implement a stack using the `std::stack` class: `std::stack myStack;`.	2024-09-05	Deactivate		Edit	Delete
3646	What is the `new` keyword in C++?	The `new` keyword in C++ is used to allocate memory dynamically: `int* ptr = new int;`.	2024-09-05	Deactivate		Edit	Delete
3647	How do you create an object in JavaScript?	In JavaScript, you create an object using curly braces: `let obj = { name: "John", age: 30 };`.	2024-09-05	Deactivate		Edit	Delete
3648	What is a `property` in Swift?	In Swift, a `property` is a value associated with a class, struct, or enum: `class MyClass { var myProperty: Int = 0 }`.	2024-09-05	Deactivate		Edit	Delete
3649	How do you create a `hash` in Python?	In Python, you create a hash using the `hash` function: `hash_value = hash("my_string")`.	2024-09-05	Deactivate		Edit	Delete
3650	What is a `subclass` in Java?	A `subclass` in Java extends another class and inherits its fields and methods: `class SubClass extends SuperClass { // code }`.	2024-09-05	Deactivate		Edit	Delete
3651	How do you define a variable in Swift?	In Swift, you define a variable using the `var` keyword: `var myVar = 10`.	2024-09-05	Deactivate		Edit	Delete
3652	What is a `dynamic array` in C++?	A `dynamic array` in C++ is an array whose size can change at runtime: `int* arr = new int[10];`.	2024-09-05	Deactivate		Edit	Delete
3653	How do you create a `record` in Java?	In Java, a `record` is a special class for data storage: `record Person(String name, int age) {}`.	2024-09-05	Deactivate		Edit	Delete
3654	What is a `template` in C++?	A `template` in C++ allows for writing generic code: `template void print(T value) { std::cout << value; }`.	2024-09-05	Deactivate		Edit	Delete
3655	How do you declare a `pointer` in C++?	In C++, you declare a pointer using the `*` symbol: `int* ptr;`.	2024-09-05	Deactivate		Edit	Delete
3656	What is a `callback` in Python?	A `callback` in Python is a function passed as an argument to another function and executed later: `def callback(result): print(result); some_function(callback)`.	2024-09-05	Deactivate		Edit	Delete
3657	How do you create a `queue` in Java?	In Java, you can create a `queue` using the `LinkedList` class: `Queue queue = new LinkedList<>();`.	2024-09-05	Deactivate		Edit	Delete
3658	What is the purpose of `interface` in Java?	An `interface` in Java defines a contract that classes can implement: `interface MyInterface { void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3659	How do you handle `null` references in C#?	In C#, you handle `null` references by checking for null: `if (myObject == null) { // handle null }`.	2024-09-05	Deactivate		Edit	Delete
3660	What is a `thread-safe` class?	A `thread-safe` class is designed to be used by multiple threads concurrently without causing data corruption: `synchronized` keyword in Java can be used for this purpose.	2024-09-05	Deactivate		Edit	Delete
3661	How do you use `static` variables in Java?	In Java, `static` variables are shared among all instances of a class: `static int count = 0;`.	2024-09-05	Deactivate		Edit	Delete
3662	What is a `functional interface` in Java?	A `functional interface` in Java is an interface with exactly one abstract method: `@FunctionalInterface interface MyInterface { void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3663	How do you define a `closure` in Swift?	In Swift, a `closure` is a self-contained block of code that can be passed around: `let myClosure = { (param: Int) -> Int in return param * 2 }`.	2024-09-05	Deactivate		Edit	Delete
3664	What is a `string` literal in Java?	A `string` literal in Java is a sequence of characters enclosed in double quotes: `"Hello, World!"`.	2024-09-05	Deactivate		Edit	Delete
3665	How do you define a `map` in Python?	In Python, you define a `map` using a dictionary: `my_map = {"key1": "value1", "key2": "value2"}`.	2024-09-05	Deactivate		Edit	Delete
3666	What is a `static` method in C++?	A `static` method in C++ belongs to the class rather than instances: `class MyClass { static void myMethod() { // code } };`.	2024-09-05	Deactivate		Edit	Delete
3667	How do you create a `data structure` in JavaScript?	In JavaScript, you create a data structure using objects and arrays: `let myData = { name: "John", age: 30 };`.	2024-09-05	Deactivate		Edit	Delete
3668	What is a `property` in C#?	In C#, a `property` is a member that provides a mechanism to read, write, or compute values: `public int MyProperty { get; set; }`.	2024-09-05	Deactivate		Edit	Delete
3669	How do you use `enum` in Swift?	In Swift, you use `enum` to define a set of related values: `enum CompassDirection { case north, south, east, west }`.	2024-09-05	Deactivate		Edit	Delete
3670	What is a `constructor` in JavaScript?	A `constructor` in JavaScript is a special function used to create and initialize objects: `function Person(name) { this.name = name; }`.	2024-09-05	Deactivate		Edit	Delete
3671	How do you handle `errors` in Swift?	In Swift, you handle errors using `do-catch` blocks: `do { try someFunction() } catch { // handle error }`.	2024-09-05	Deactivate		Edit	Delete
3672	What is a `range` in Python?	In Python, a `range` is an immutable sequence of numbers: `range(0, 10)`.	2024-09-05	Deactivate		Edit	Delete
3673	How do you define an `interface` in C#?	In C#, you define an `interface` using the `interface` keyword: `interface IMyInterface { void MyMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3674	What is a `declaration` in C++?	A `declaration` in C++ introduces a variable or function: `int x;` or `void myFunction();`.	2024-09-05	Deactivate		Edit	Delete
3675	How do you create a `tuple` in Java?	In Java, you can create a tuple-like structure using classes or libraries like `Pair` from Apache Commons: `Pair tuple = new Pair<>(1, "Hello");`.	2024-09-05	Deactivate		Edit	Delete
3676	What is a `data frame` in Python?	A `data frame` in Python is a two-dimensional, size-mutable, and potentially heterogeneous tabular data structure provided by the `pandas` library: `import pandas as pd; df = pd.DataFrame(data)`.	2024-09-05	Deactivate		Edit	Delete
3677	How do you define a `constant` in C++?	In C++, you define a `constant` using the `const` keyword: `const int MAX = 100;`.	2024-09-05	Deactivate		Edit	Delete
3678	What is a `virtual` method in C++?	A `virtual` method in C++ is a method that can be overridden in derived classes: `virtual void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3679	How do you define a `macro` in C?	In C, you define a `macro` using the `#define` directive: `#define PI 3.14`.	2024-09-05	Deactivate		Edit	Delete
3680	What is a `static` class in C#?	In C#, a `static` class cannot be instantiated and contains only static members: `public static class MyStaticClass { public static void MyMethod() { // code } }`.	2024-09-05	Deactivate		Edit	Delete
3681	How do you define a `range` in JavaScript?	In JavaScript, you can define a `range` using a loop or a custom function: `function range(start, end) { let arr = []; for (let i = start; i <= end; i++) arr.push(i); return arr; }`.	2024-09-05	Deactivate		Edit	Delete
3682	What is a `data type` in programming?	A `data type` in programming specifies the kind of data a variable can hold: `int`, `float`, `string`, etc.	2024-09-05	Deactivate		Edit	Delete
3683	How do you create a `function` in JavaScript?	In JavaScript, you create a function using the `function` keyword or an arrow function: `function myFunction() { // code }` or `const myFunction = () => { // code };`.	2024-09-05	Deactivate		Edit	Delete
3684	What is a `singleton` pattern in Java?	A `singleton` pattern ensures that a class has only one instance: `public class Singleton { private static Singleton instance; private Singleton() {} public static Singleton getInstance() { if (instance == null) instance = new Singleton(); return instance; } }`.	2024-09-05	Deactivate		Edit	Delete
3685	How do you declare a variable in Python?	In Python, you declare a variable simply by assigning a value: `my_var = 10`.	2024-09-05	Deactivate		Edit	Delete
3686	What is a `lambda` function in JavaScript?	A `lambda` function in JavaScript is an anonymous function created using the arrow syntax: `const add = (a, b) => a + b;`.	2024-09-05	Deactivate		Edit	Delete
3687	How do you handle exceptions in Python?	In Python, you handle exceptions using `try` and `except` blocks: `try: # code except Exception as e: # handle exception`.	2024-09-05	Deactivate		Edit	Delete
3688	What is the difference between `==` and `===` in JavaScript?	In JavaScript, `==` is the equality operator that performs type coercion, while `===` is the strict equality operator that does not perform type coercion: `5 == '5'` is true, but `5 === '5'` is false.	2024-09-05	Deactivate		Edit	Delete
3689	How do you define a class in Python?	In Python, you define a class using the `class` keyword: `class MyClass: def __init__(self): self.my_var = 0`.	2024-09-05	Deactivate		Edit	Delete
3690	What is the `super` keyword in Java?	The `super` keyword in Java refers to the superclass of the current object and can be used to call its methods or constructors: `super.methodName()`.	2024-09-05	Deactivate		Edit	Delete
3691	How do you declare a constant in JavaScript?	In JavaScript, you declare a constant using the `const` keyword: `const PI = 3.14;`.	2024-09-05	Deactivate		Edit	Delete
3692	What is the purpose of `self` in Python?	In Python, `self` refers to the instance of the class itself and is used to access instance variables and methods: `self.variable`.	2024-09-05	Deactivate		Edit	Delete
3693	How do you create an array in Java?	In Java, you create an array using square brackets: `int[] arr = new int[10];`.	2024-09-05	Deactivate		Edit	Delete
3694	What is a `foreach` loop in C#?	A `foreach` loop in C# iterates over a collection or array: `foreach (var item in collection) { // code }`.	2024-09-05	Deactivate		Edit	Delete
3695	How do you define a `function` in Java?	In Java, you define a function within a class using the `method` syntax: `public void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3696	What is a `data structure`?	A `data structure` is a way of organizing and storing data so that it can be accessed and modified efficiently: examples include arrays, linked lists, and hash tables.	2024-09-05	Deactivate		Edit	Delete
3697	How do you declare a pointer in C?	In C, you declare a pointer using the `*` symbol: `int *ptr;`.	2024-09-05	Deactivate		Edit	Delete
3698	What is the `class` keyword in C++?	The `class` keyword in C++ is used to define a new class: `class MyClass { public: int myVar; };`.	2024-09-05	Deactivate		Edit	Delete
3699	How do you use `import` in Python?	In Python, you use `import` to include modules or packages: `import module_name` or `from module_name import function_name`.	2024-09-05	Deactivate		Edit	Delete
3700	What is an `interface` in TypeScript?	An `interface` in TypeScript is a way to define the shape of an object: `interface Person { name: string; age: number; }`.	2024-09-05	Deactivate		Edit	Delete
3701	How do you create a `file` in JavaScript?	In JavaScript, you create a file on the client side using the `Blob` API: `const blob = new Blob(["Hello, World!"], {type: "text/plain"});`.	2024-09-05	Deactivate		Edit	Delete
3702	What is a `thread` in Java?	A `thread` in Java is a separate path of execution within a program: `Thread t = new Thread(() -> { // code }); t.start();`.	2024-09-05	Deactivate		Edit	Delete
3703	How do you handle `null` values in JavaScript?	In JavaScript, you handle `null` values by checking them explicitly: `if (value === null) { // handle null }`.	2024-09-05	Deactivate		Edit	Delete
3704	What is the `async` keyword in JavaScript?	The `async` keyword in JavaScript is used to declare an asynchronous function: `async function fetchData() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3705	How do you define a `method` in Swift?	In Swift, you define a method using the `func` keyword: `func myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3706	What is a `constructor` in C++?	A `constructor` in C++ is a special method used to initialize objects: `MyClass() { // initialization code }`.	2024-09-05	Deactivate		Edit	Delete
3707	How do you declare a `variable` in Swift?	In Swift, you declare a variable using the `var` keyword: `var myVar = 10`.	2024-09-05	Deactivate		Edit	Delete
3708	What is the `this` keyword in Java?	The `this` keyword in Java refers to the current instance of a class: `this.myVar`.	2024-09-05	Deactivate		Edit	Delete
3709	How do you create an `object` in C#?	In C#, you create an object using the `new` keyword: `MyClass obj = new MyClass();`.	2024-09-05	Deactivate		Edit	Delete
3710	What is a `map` in JavaScript?	A `map` in JavaScript is a collection of key-value pairs where keys are unique: `let myMap = new Map(); myMap.set("key", "value");`.	2024-09-05	Deactivate		Edit	Delete
3711	How do you define a `variable` in Java?	In Java, you define a variable with a type and a name: `int myVar = 10;`.	2024-09-05	Deactivate		Edit	Delete
3712	What is a `null` reference?	A `null` reference is a reference that does not point to any object or memory location: `Object obj = null;`.	2024-09-05	Deactivate		Edit	Delete
3713	How do you implement inheritance in Python?	In Python, you implement inheritance by passing the parent class as a parameter: `class Child(Parent):`.	2024-09-05	Deactivate		Edit	Delete
3714	What is the `var` keyword in JavaScript?	The `var` keyword in JavaScript declares a variable that is function-scoped or globally-scoped: `var myVar = 10;`.	2024-09-05	Deactivate		Edit	Delete
3715	How do you create a `dictionary` in Python?	In Python, you create a `dictionary` using curly braces: `my_dict = {"key1": "value1", "key2": "value2"}`.	2024-09-05	Deactivate		Edit	Delete
3716	What is a `function` in JavaScript?	A `function` in JavaScript is a block of code designed to perform a task: `function myFunction() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3717	How do you define a `property` in JavaScript?	In JavaScript, you define a `property` on an object using dot notation or square brackets: `obj.property = value` or `obj["property"] = value`.	2024-09-05	Deactivate		Edit	Delete
3718	What is a `static` method in Java?	A `static` method in Java belongs to the class rather than instances: `public static void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3719	How do you declare a `list` in Python?	In Python, you declare a `list` using square brackets: `my_list = [1, 2, 3]`.	2024-09-05	Deactivate		Edit	Delete
3720	What is the `protected` access modifier in Java?	The `protected` access modifier in Java allows access within the same package and subclasses: `protected int myVar;`.	2024-09-05	Deactivate		Edit	Delete
3721	How do you define a `struct` in C++?	In C++, you define a `struct` using the `struct` keyword: `struct MyStruct { int myVar; };`.	2024-09-05	Deactivate		Edit	Delete
3722	What is a `promise` in JavaScript?	A `promise` in JavaScript represents a value that will be available in the future: `let promise = new Promise((resolve, reject) => { // code });`.	2024-09-05	Deactivate		Edit	Delete
3723	How do you define a `constant` in Python?	In Python, you define a `constant` by convention using uppercase variable names: `PI = 3.14`.	2024-09-05	Deactivate		Edit	Delete
3724	What is a `record` in Java?	A `record` in Java is a special kind of class that is immutable and primarily used to store data: `record Person(String name, int age) {}`.	2024-09-05	Deactivate		Edit	Delete
3725	How do you use `try-catch` in C#?	In C#, you use `try-catch` blocks to handle exceptions: `try { // code } catch (Exception ex) { // handle exception }`.	2024-09-05	Deactivate		Edit	Delete
3726	What is a `static` class in Java?	A `static` class in Java is a class that cannot be instantiated and contains only static members: `public static class MyStaticClass {}`.	2024-09-05	Deactivate		Edit	Delete
3727	How do you define a `boolean` in C?	In C, you define a `boolean` type using `stdbool.h` header: `#include bool myBool = true;`.	2024-09-05	Deactivate		Edit	Delete
3728	What is the `continue` statement in Java?	The `continue` statement in Java skips the remaining code in the current loop iteration and proceeds with the next iteration: `continue;`.	2024-09-05	Deactivate		Edit	Delete
3729	How do you define a `string` in Swift?	In Swift, you define a `string` using double quotes: `let myString = "Hello, World!"`.	2024-09-05	Deactivate		Edit	Delete
3730	What is a `getter` and `setter` in Java?	In Java, a `getter` method retrieves the value of a private field, while a `setter` method sets its value: `public int getValue() { return value; } public void setValue(int value) { this.value = value; }`.	2024-09-05	Deactivate		Edit	Delete
3731	How do you create an `object` in Python?	In Python, you create an object by instantiating a class: `obj = MyClass()`.	2024-09-05	Deactivate		Edit	Delete
3732	What is an `abstract` class in Java?	An `abstract` class in Java cannot be instantiated and may contain abstract methods: `abstract class MyAbstractClass { abstract void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3733	How do you define a `method` in C#?	In C#, you define a method within a class using the `method` syntax: `public void MyMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3734	What is a `type` alias in TypeScript?	A `type` alias in TypeScript creates a new name for a type: `type StringOrNumber = string | number;`.	2024-09-05	Deactivate		Edit	Delete
3735	How do you use `default` parameters in JavaScript?	In JavaScript, you use `default` parameters in functions to provide default values: `function greet(name = "Guest") { console.log("Hello, " + name); }`.	2024-09-05	Deactivate		Edit	Delete
3736	What is a `getter` in Python?	A `getter` in Python is a method used to access the value of a private attribute: `@property def my_attr(self): return self._my_attr`.	2024-09-05	Deactivate		Edit	Delete
3737	How do you use `set` in Python?	In Python, you create a `set` using curly braces or the `set()` constructor: `my_set = {1, 2, 3}` or `my_set = set([1, 2, 3])`.	2024-09-05	Deactivate		Edit	Delete
3738	What is a `method` in Swift?	In Swift, a `method` is a function that is associated with a type or instance: `func myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3739	How do you handle `null` values in Java?	In Java, you handle `null` values by checking for them explicitly: `if (object == null) { // handle null }`.	2024-09-05	Deactivate		Edit	Delete
3740	What is a `callback` in JavaScript?	A `callback` in JavaScript is a function passed as an argument to another function: `function processData(callback) { callback(); }`.	2024-09-05	Deactivate		Edit	Delete
3741	How do you declare a `list` in Java?	In Java, you declare a `list` using the `List` interface and an implementation like `ArrayList`: `List myList = new ArrayList<>();`.	2024-09-05	Deactivate		Edit	Delete
3742	What is a `generator` in Python?	A `generator` in Python is a function that returns an iterator using the `yield` keyword: `def my_generator(): yield 1`.	2024-09-05	Deactivate		Edit	Delete
3743	How do you create a `class` in JavaScript?	In JavaScript, you create a class using the `class` keyword: `class MyClass { constructor() { this.myVar = 0; } }`.	2024-09-05	Deactivate		Edit	Delete
3744	What is a `constructor` in C#?	A `constructor` in C# is a special method used to initialize objects: `public MyClass() { // initialization code }`.	2024-09-05	Deactivate		Edit	Delete
3745	How do you use `interface` in C#?	In C#, you use `interface` to define a contract that classes must implement: `interface IMyInterface { void MyMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3746	What is a `hash table` in Java?	A `hash table` in Java is a data structure that maps keys to values: `HashMap map = new HashMap<>();`.	2024-09-05	Deactivate		Edit	Delete
3747	How do you use `extends` in TypeScript?	In TypeScript, `extends` is used to create a subclass or extend an interface: `class Child extends Parent { }` or `interface Child extends Parent { }`.	2024-09-05	Deactivate		Edit	Delete
3748	What is the `public` access modifier in Java?	The `public` access modifier in Java allows access from any other class: `public int myVar;`.	2024-09-05	Deactivate		Edit	Delete
3749	How do you create a `function` in Swift?	In Swift, you create a function using the `func` keyword: `func add(a: Int, b: Int) -> Int { return a + b }`.	2024-09-05	Deactivate		Edit	Delete
3750	What is a `struct` in Swift?	A `struct` in Swift is a value type that can store data and provide methods: `struct Point { var x: Int; var y: Int }`.	2024-09-05	Deactivate		Edit	Delete
3751	How do you use `super` in Swift?	In Swift, you use `super` to call methods or access properties from a superclass: `super.methodName()`.	2024-09-05	Deactivate		Edit	Delete
3752	What is an `enum` in TypeScript?	An `enum` in TypeScript is a way to define a set of named constants: `enum Color { Red, Green, Blue }`.	2024-09-05	Deactivate		Edit	Delete
3753	How do you create an `object` in JavaScript?	In JavaScript, you create an object using curly braces or the `new` keyword: `let obj = { key: "value" }` or `let obj = new Object();`.	2024-09-05	Deactivate		Edit	Delete
3754	What is a `template` in C++?	A `template` in C++ allows functions and classes to operate with generic types: `template void myFunction(T arg) { // code }`.	2024-09-05	Deactivate		Edit	Delete
3755	How do you handle `undefined` values in JavaScript?	In JavaScript, you handle `undefined` values by checking if a variable is `undefined`: `if (variable === undefined) { // handle undefined }`.	2024-09-05	Deactivate		Edit	Delete
3756	What is a `tuple` in Python?	A `tuple` in Python is an immutable sequence of values: `my_tuple = (1, 2, 3)`.	2024-09-05	Deactivate		Edit	Delete
3757	How do you define a `variable` in JavaScript?	In JavaScript, you define a variable using `var`, `let`, or `const`: `let myVar = 10;`.	2024-09-05	Deactivate		Edit	Delete
3758	What is a `while` loop in Python?	A `while` loop in Python repeatedly executes a block of code as long as a condition is true: `while condition: # code`.	2024-09-05	Deactivate		Edit	Delete
3759	How do you create a `private` method in Java?	In Java, you create a `private` method by using the `private` access modifier: `private void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3760	What is a `deque` in Python?	A `deque` (double-ended queue) in Python is a type of list that allows adding and removing elements from both ends efficiently: `from collections import deque; d = deque()`.	2024-09-05	Deactivate		Edit	Delete
3761	How do you define a `variable` in C++?	In C++, you define a variable by specifying its type and name: `int myVar = 10;`.	2024-09-05	Deactivate		Edit	Delete
3762	What is an `iterator` in Java?	An `iterator` in Java is an object that allows traversal through a collection: `Iterator it = list.iterator(); while (it.hasNext()) { String item = it.next(); }`.	2024-09-05	Deactivate		Edit	Delete
3763	How do you use `map` in Python?	In Python, you use the `map()` function to apply a function to all items in an iterable: `map(function, iterable)`.	2024-09-05	Deactivate		Edit	Delete
3764	What is a `closure` in JavaScript?	A `closure` in JavaScript is a function that retains access to its lexical scope, even when the function is executed outside that scope: `function outer() { let x = 10; return function inner() { return x; }; }`.	2024-09-05	Deactivate		Edit	Delete
3765	How do you define a `method` in JavaScript?	In JavaScript, you define a method within an object or class: `const obj = { myMethod() { // code } };` or `class MyClass { myMethod() { // code } }`.	2024-09-05	Deactivate		Edit	Delete
3766	What is a `tuple` in Python?	A `tuple` in Python is an immutable sequence of values: `my_tuple = (1, 2, 3)`.	2024-09-05	Deactivate		Edit	Delete
3767	How do you create a `list` in JavaScript?	In JavaScript, you create a `list` using arrays: `let myList = [1, 2, 3];`.	2024-09-05	Deactivate		Edit	Delete
3768	What is `lambda` in Python?	A `lambda` in Python is an anonymous function defined with `lambda` keyword: `lambda x: x * 2`.	2024-09-05	Deactivate		Edit	Delete
3769	How do you use `const` in JavaScript?	In JavaScript, you declare a `const` variable to create a constant reference: `const pi = 3.14;`.	2024-09-05	Deactivate		Edit	Delete
3770	What is a `constructor` in Java?	A `constructor` in Java is a special method used to initialize objects: `public MyClass() { // initialization code }`.	2024-09-05	Deactivate		Edit	Delete
3771	How do you use `char` in C++?	In C++, you use `char` to store single characters: `char myChar = 'A';`.	2024-09-05	Deactivate		Edit	Delete
3772	What is a `class` in Python?	A `class` in Python is a blueprint for creating objects: `class MyClass: def __init__(self): pass`.	2024-09-05	Deactivate		Edit	Delete
3773	How do you use `return` in JavaScript?	In JavaScript, you use `return` to exit a function and optionally pass back a value: `function myFunc() { return 42; }`.	2024-09-05	Deactivate		Edit	Delete
3774	What is a `method` in Java?	A `method` in Java is a block of code within a class that performs a task: `public void myMethod() { // code }`.	2024-09-05	Deactivate		Edit	Delete
3775	How do you use `namespace` in C++?	In C++, you use `namespace` to group related functions and variables: `namespace MyNamespace { void myFunc(); }`.	2024-09-05	Deactivate		Edit	Delete
3776	What is an `interface` in C#?	An `interface` in C# defines a contract that classes must implement: `interface IMyInterface { void MyMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3777	How do you use `public` in Java?	In Java, `public` is an access modifier that allows visibility of classes, methods, and variables from any other class: `public class MyClass { }`.	2024-09-05	Deactivate		Edit	Delete
3778	What is `inheritance` in Java?	Inheritance in Java is a mechanism where a new class extends an existing class: `class Child extends Parent { }`.	2024-09-05	Deactivate		Edit	Delete
3779	How do you use `var` in JavaScript?	In JavaScript, `var` declares a variable with function scope: `var myVar = 10;`.	2024-09-05	Deactivate		Edit	Delete
3780	What is a `list` in Python?	A `list` in Python is an ordered, mutable collection of items: `my_list = [1, 2, 3]`.	2024-09-05	Deactivate		Edit	Delete
3781	How do you use `assert` in Java?	In Java, `assert` is used to test assumptions in code: `assert x > 0 : "x must be positive";`.	2024-09-05	Deactivate		Edit	Delete
3782	What is a `tuple` in JavaScript?	A `tuple` is not a native data structure in JavaScript, but you can simulate it using arrays: `const myTuple = [1, "text", true];`.	2024-09-05	Deactivate		Edit	Delete
3783	How do you use `constructor` in Python?	In Python, you use `__init__` as a constructor method to initialize class instances: `def __init__(self):`.	2024-09-05	Deactivate		Edit	Delete
3784	What is `dynamic typing`?	Dynamic typing means variables are not bound to a specific data type and can change types at runtime: `let x = 10; x = "text";`.	2024-09-05	Deactivate		Edit	Delete
3785	How do you use `inheritance` in C#?	In C#, you use `inheritance` to create a derived class from a base class: `class Derived : Base { }`.	2024-09-05	Deactivate		Edit	Delete
3786	What is a `data structure` in programming?	A `data structure` is a way to organize and store data for efficient access and modification: `arrays, linked lists, stacks, queues`.	2024-09-05	Deactivate		Edit	Delete
3787	How do you use `override` in Java?	In Java, you use `override` to provide a specific implementation of a method in a subclass: `@Override public void myMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3788	What is a `stack` data structure?	A `stack` is a linear data structure that follows the Last In First Out (LIFO) principle: `push` and `pop` operations.	2024-09-05	Deactivate		Edit	Delete
3789	How do you use `list` comprehension in Python?	In Python, you use list comprehension to create lists in a concise way: `[x * 2 for x in range(10)]`.	2024-09-05	Deactivate		Edit	Delete
3790	What is a `dictionary` in Python?	A `dictionary` in Python is an unordered collection of key-value pairs: `my_dict = {"key": "value"}`.	2024-09-05	Deactivate		Edit	Delete
3791	How do you use `spread` operator in JavaScript?	In JavaScript, the `spread` operator `...` is used to expand an array into individual elements: `let arr = [1, 2, 3]; let newArr = [...arr, 4];`.	2024-09-05	Deactivate		Edit	Delete
3792	What is a `queue` data structure?	A `queue` is a linear data structure that follows the First In First Out (FIFO) principle: `enqueue` and `dequeue` operations.	2024-09-05	Deactivate		Edit	Delete
3793	How do you use `constructor` overloading in Java?	In Java, you use constructor overloading by defining multiple constructors with different parameters: `public MyClass(int a) { } public MyClass(String b) { }`.	2024-09-05	Deactivate		Edit	Delete
3794	What is a `pointer` in C++?	A `pointer` in C++ is a variable that holds the memory address of another variable: `int *ptr = &var;`.	2024-09-05	Deactivate		Edit	Delete
3795	How do you use `break` in Python?	In Python, `break` is used to exit a loop prematurely: `for x in range(10): if x == 5: break`.	2024-09-05	Deactivate		Edit	Delete
3796	What is a `set` in Python?	A `set` in Python is an unordered collection of unique elements: `my_set = {1, 2, 3}`.	2024-09-05	Deactivate		Edit	Delete
3797	How do you use `try-catch` in Java?	In Java, `try-catch` blocks handle exceptions: `try { // code } catch (Exception e) { // error handling }`.	2024-09-05	Deactivate		Edit	Delete
3798	What is a `graph` data structure?	A `graph` is a collection of nodes (vertices) and edges connecting them: `Graph { vertices, edges }`.	2024-09-05	Deactivate		Edit	Delete
3799	How do you use `get` and `set` methods in Java?	In Java, `get` and `set` methods are used to access and modify private class fields: `public int getValue() { return value; } public void setValue(int value) { this.value = value; }`.	2024-09-05	Deactivate		Edit	Delete
3800	What is a `node` in a linked list?	A `node` in a linked list is an element that contains data and a reference to the next node: `Node { data, next }`.	2024-09-05	Deactivate		Edit	Delete
3801	How do you use `public static` in Java?	In Java, `public static` defines a method or variable that belongs to the class rather than any instance: `public static void myMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3802	What is `hashing` in programming?	Hashing is a technique to convert data into a fixed-size value, typically used in hash tables: `hashFunction(data)`.	2024-09-05	Deactivate		Edit	Delete
3803	How do you use `float` in C++?	In C++, you use `float` to store floating-point numbers: `float myFloat = 3.14f;`.	2024-09-05	Deactivate		Edit	Delete
3804	What is `method overriding` in Java?	Method overriding in Java allows a subclass to provide a specific implementation of a method already defined in its superclass: `@Override public void myMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3805	How do you use `yield` in Python?	In Python, `yield` is used to create a generator function that produces a sequence of values: `def myGen(): yield 1; yield 2;`.	2024-09-05	Deactivate		Edit	Delete
3806	What is a `method` in C#?	A `method` in C# is a block of code within a class that performs a specific action: `public void MyMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3807	How do you use `throw` in JavaScript?	In JavaScript, `throw` is used to raise an exception: `throw new Error("Something went wrong");`.	2024-09-05	Deactivate		Edit	Delete
3808	What is a `hash table`?	A `hash table` is a data structure that uses hash functions to map keys to values: `HashTable[key] = value`.	2024-09-05	Deactivate		Edit	Delete
3809	How do you use `do-while` loop in Java?	In Java, a `do-while` loop executes a block of code at least once and then repeats it as long as a condition is true: `do { // code } while (condition);`.	2024-09-05	Deactivate		Edit	Delete
3810	What is a `binary tree`?	A `binary tree` is a hierarchical data structure where each node has at most two children: `left` and `right`.	2024-09-05	Deactivate		Edit	Delete
3811	How do you use `event listeners` in JavaScript?	In JavaScript, you use `event listeners` to handle events: `element.addEventListener("click", function() { // code });`.	2024-09-05	Deactivate		Edit	Delete
3812	What is a `method` in C++?	A `method` in C++ is a function defined within a class: `class MyClass { void myMethod() { // code } };`.	2024-09-05	Deactivate		Edit	Delete
3813	How do you use `switch-case` in C++?	In C++, you use `switch-case` to execute different code based on the value of an expression: `switch (value) { case 1: // code; break; }`.	2024-09-05	Deactivate		Edit	Delete
3814	What is a `deque` data structure?	A `deque` (double-ended queue) is a data structure that allows insertion and removal of elements from both ends: `push_front`, `push_back`, `pop_front`, `pop_back`.	2024-09-05	Deactivate		Edit	Delete
3815	How do you use `switch` statement in JavaScript?	In JavaScript, you use the `switch` statement to select one of many code blocks to execute: `switch (expression) { case value: // code; break; }`.	2024-09-05	Deactivate		Edit	Delete
3816	What is a `graph traversal`?	Graph traversal is the process of visiting all nodes in a graph: `depth-first search (DFS)`, `breadth-first search (BFS)`.	2024-09-05	Deactivate		Edit	Delete
3817	How do you use `access modifiers` in Java?	In Java, `access modifiers` control the visibility of classes, methods, and variables: `public`, `protected`, `private`.	2024-09-05	Deactivate		Edit	Delete
3818	What is a `priority queue`?	A `priority queue` is a data structure that retrieves elements based on priority: `enqueue(element, priority)`, `dequeue()`.	2024-09-05	Deactivate		Edit	Delete
3819	How do you use `super` in Java?	In Java, `super` is used to refer to the superclass of the current object: `super.methodName();`.	2024-09-05	Deactivate		Edit	Delete
3820	What is a `binary search` algorithm?	A `binary search` algorithm finds an item in a sorted array by repeatedly dividing the search interval in half.	2024-09-05	Deactivate		Edit	Delete
3821	How do you use `for-each` loop in Java?	In Java, you use the `for-each` loop to iterate over elements in a collection or array: `for (Type item : collection) { // code }`.	2024-09-05	Deactivate		Edit	Delete
3822	What is a `heap` data structure?	A `heap` is a binary tree-based data structure that satisfies the heap property: `max-heap`, `min-heap`.	2024-09-05	Deactivate		Edit	Delete
3823	How do you use `final` keyword in Java?	In Java, the `final` keyword defines constants, prevents method overriding, and inheritance: `final int x = 10;`, `final void myMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3824	What is a `hash function`?	A `hash function` is an algorithm that maps data to a fixed-size value, used in hash tables and hashing algorithms.	2024-09-05	Deactivate		Edit	Delete
3825	How do you use `map` function in Python?	In Python, the `map` function applies a given function to each item in an iterable: `map(function, iterable)`.	2024-09-05	Deactivate		Edit	Delete
3826	What is a `recursive function`?	A `recursive function` is a function that calls itself: `function myFunc() { if (condition) myFunc(); }`.	2024-09-05	Deactivate		Edit	Delete
3827	How do you use `public` in C++?	In C++, `public` access specifier allows members to be accessible from outside the class: `public: int value;`.	2024-09-05	Deactivate		Edit	Delete
3828	What is a `linked list`?	A `linked list` is a data structure consisting of nodes where each node points to the next: `Node { data, next }`.	2024-09-05	Deactivate		Edit	Delete
3829	How do you use `float` in Python?	In Python, `float` is used to store floating-point numbers: `my_float = 3.14`.	2024-09-05	Deactivate		Edit	Delete
3830	What is a `default constructor` in C++?	A `default constructor` in C++ is a constructor that takes no arguments: `MyClass() { }`.	2024-09-05	Deactivate		Edit	Delete
3831	How do you use `lambda` functions in JavaScript?	In JavaScript, `lambda` functions are called arrow functions: `const add = (a, b) => a + b;`.	2024-09-05	Deactivate		Edit	Delete
3832	What is a `singly linked list`?	A `singly linked list` is a type of linked list where each node points to the next node: `Node { data, next }`.	2024-09-05	Deactivate		Edit	Delete
3833	How do you use `throw` in C++?	In C++, `throw` is used to raise an exception: `throw std::runtime_error("Error message");`.	2024-09-05	Deactivate		Edit	Delete
3834	What is a `bubble sort` algorithm?	A `bubble sort` algorithm repeatedly compares and swaps adjacent elements until the list is sorted.	2024-09-05	Deactivate		Edit	Delete
3835	How do you use `class` in C++?	In C++, you use `class` to define a blueprint for objects: `class MyClass { public: void myMethod(); };`.	2024-09-05	Deactivate		Edit	Delete
3836	What is a `deque` in Python?	A `deque` (double-ended queue) in Python is a data structure that supports adding and removing elements from both ends: `from collections import deque; d = deque([1, 2, 3])`.	2024-09-05	Deactivate		Edit	Delete
3837	How do you use `import` in Python?	In Python, you use `import` to include modules and their functions: `import module_name; module_name.function_name()`.	2024-09-05	Deactivate		Edit	Delete
3838	What is a `dynamic array`?	A `dynamic array` is an array that can resize itself when it exceeds its current capacity: `ArrayList` in Java, `Vector` in C++.	2024-09-05	Deactivate		Edit	Delete
3839	How do you use `void` in Java?	In Java, `void` specifies that a method does not return a value: `public void myMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3840	What is a `binary search tree`?	A `binary search tree` (BST) is a binary tree where each node has a key greater than its left child and less than its right child.	2024-09-05	Deactivate		Edit	Delete
3841	How do you use `public static` in C#?	In C#, `public static` defines a method or field that belongs to the class itself rather than any instance: `public static void MyStaticMethod() { }`.	2024-09-05	Deactivate		Edit	Delete
3842	What is a `stack` data structure?	A `stack` is a linear data structure that follows the Last In First Out (LIFO) principle: `push`, `pop` operations.	2024-09-05	Deactivate		Edit	Delete
3843	How do you use `finally` in Java?	In Java, `finally` is used to execute code after a `try-catch` block, regardless of whether an exception occurred: `try { // code } catch (Exception e) { } finally { // cleanup }`.	2024-09-05	Deactivate		Edit	Delete
3844	What is a `linked list` in C++?	A `linked list` in C++ is a data structure where each element (node) points to the next: `struct Node { int data; Node* next; };`.	2024-09-05	Deactivate		Edit	Delete
3845	How do you use `static` in Python?	In Python, `static` is not used directly; instead, class-level methods and variables are created with `@staticmethod` and `@classmethod` decorators.	2024-09-05	Deactivate		Edit	Delete
3846	What is a `hash set`?	A `hash set` is a collection that uses hash codes to store and manage unique elements: `HashSet` in Java, `set` in Python.	2024-09-05	Deactivate		Edit	Delete
3847	How do you use `assert` in Python?	In Python, `assert` is used to perform debugging checks: `assert condition, "Error message"`.	2024-09-05	Deactivate		Edit	Delete
3848	What is a `doubly linked list`?	A `doubly linked list` is a linked list where each node has references to both the next and previous nodes: `Node { data, next, prev }`.	2024-09-05	Deactivate		Edit	Delete
3849	How do you use `interface` in Java?	In Java, you use `interface` to define a contract for classes to implement: `interface MyInterface { void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3850	What is `encapsulation` in object-oriented programming?	Encapsulation is an object-oriented programming concept that restricts direct access to an object's data and methods: `private`, `protected`, `public` access modifiers.	2024-09-05	Deactivate		Edit	Delete
3851	How do you use `map` in JavaScript?	In JavaScript, `map` is used to create a new array with the results of calling a function on every element of an existing array: `array.map(callbackFunction)`.	2024-09-05	Deactivate		Edit	Delete
3852	What is a `thread` in programming?	A `thread` is a lightweight process that executes a sequence of instructions independently within a program: `Thread` class in Java, `threading` module in Python.	2024-09-05	Deactivate		Edit	Delete
3853	How do you use `synchronized` in Java?	In Java, `synchronized` is used to control access to a block of code or method by multiple threads: `synchronized (object) { // code }`.	2024-09-05	Deactivate		Edit	Delete
3854	What is a `trie` data structure?	A `trie` is a tree-like data structure used to store associative data, such as a dictionary of words: `TrieNode { children, isEndOfWord }`.	2024-09-05	Deactivate		Edit	Delete
3855	How do you use `finally` in Python?	In Python, `finally` is used to define a block of code that will execute after `try` and `except`, regardless of whether an exception was raised: `try { // code } except Exception as e: // handle error } finally { // cleanup }`.	2024-09-05	Deactivate		Edit	Delete
3856	What is a `delegate` in C#?	A `delegate` in C# is a type that represents references to methods with a particular parameter list and return type: `delegate void MyDelegate(int param);`.	2024-09-05	Deactivate		Edit	Delete
3857	How do you use `super` in C++?	In C++, `super` is not a keyword. Instead, you use the base class name to call base class methods and constructors: `BaseClass::methodName();`.	2024-09-05	Deactivate		Edit	Delete
3858	What is `inheritance` in object-oriented programming?	Inheritance is an object-oriented programming principle where a new class derives properties and methods from an existing class: `class Derived extends Base { }`.	2024-09-05	Deactivate		Edit	Delete
3859	How do you use `public` in Java?	In Java, `public` access modifier allows classes, methods, and variables to be accessible from any other class: `public class MyClass { public void myMethod() { } }`.	2024-09-05	Deactivate		Edit	Delete
3860	What is a `linker`?	A `linker` is a tool that combines object code files into a single executable or library, resolving references between them: `gcc -o output file1.o file2.o`.	2024-09-05	Deactivate		Edit	Delete
3861	How do you use `range` in Python?	In Python, `range` generates a sequence of numbers: `range(start, stop, step)`.	2024-09-05	Deactivate		Edit	Delete
3862	What is a `singleton` design pattern?	A `singleton` design pattern ensures that a class has only one instance and provides a global point of access to it: `public class Singleton { private static Singleton instance; private Singleton() { } public static Singleton getInstance() { if (instance == null) { instance = new Singleton(); } return instance; } }`.	2024-09-05	Deactivate		Edit	Delete
3863	How do you use `mutable` in C++?	In C++, `mutable` allows a member variable of a class to be modified even if the object is `const`: `class MyClass { mutable int value; };`.	2024-09-05	Deactivate		Edit	Delete
3864	What is a `hash map`?	A `hash map` is a data structure that maps keys to values using hash codes for efficient retrieval: `HashMap` in Java, `dict` in Python.	2024-09-05	Deactivate		Edit	Delete
3865	How do you use `protected` in Java?	In Java, `protected` access modifier allows access within the same package and by subclasses: `protected int value;`.	2024-09-05	Deactivate		Edit	Delete
3866	What is `polymorphism` in object-oriented programming?	Polymorphism is an object-oriented programming concept that allows objects of different classes to be treated as objects of a common superclass: `method overriding`, `method overloading`.	2024-09-05	Deactivate		Edit	Delete
3867	How do you use `continue` in Python?	In Python, `continue` is used inside loops to skip the remaining code and continue with the next iteration: `for i in range(10): if i % 2 == 0: continue; print(i)`.	2024-09-05	Deactivate		Edit	Delete
3868	What is a `queue` data structure?	A `queue` is a linear data structure that follows the First In First Out (FIFO) principle: `enqueue`, `dequeue` operations.	2024-09-05	Deactivate		Edit	Delete
3869	How do you use `switch` in Java?	In Java, `switch` allows branching based on the value of an expression: `switch (variable) { case value1: // code break; case value2: // code break; default: // code }`.	2024-09-05	Deactivate		Edit	Delete
3870	What is a `hash table`?	A `hash table` is a data structure that maps keys to values using hash codes to achieve efficient data retrieval: `HashTable` in Java, `dict` in Python.	2024-09-05	Deactivate		Edit	Delete
3871	How do you use `abstract` in Java?	In Java, `abstract` is used to define abstract classes and methods that must be implemented by subclasses: `abstract class MyClass { abstract void myMethod(); }`.	2024-09-05	Deactivate		Edit	Delete
3872	What is a `graph` in computer science?	A `graph` is a data structure consisting of nodes (vertices) connected by edges, representing relationships between entities: `directed`, `undirected`.	2024-09-05	Deactivate		Edit	Delete
3873	How do you use `try` and `except` in Python?	In Python, `try` and `except` handle exceptions: `try { // code } except Exception as e: // handle error }`.	2024-09-05	Deactivate		Edit	Delete
3874	What is a `virtual function` in C++?	A `virtual function` in C++ is a member function in a base class that can be overridden in derived classes: `virtual void myMethod();`.	2024-09-05	Deactivate		Edit	Delete
3875	How do you use `return` in Python?	In Python, `return` is used to exit a function and optionally pass back a value: `def myFunction(): return value`.	2024-09-05	Deactivate		Edit	Delete
3876	What is a `composition` in object-oriented programming?	Composition is an object-oriented programming principle where a class contains objects of other classes: `class A { private B b; }`.	2024-09-05	Deactivate		Edit	Delete
3877	How do you use `private` in Java?	In Java, `private` access modifier restricts access to class members to within the same class: `private int value;`.	2024-09-05	Deactivate		Edit	Delete
3878	What is a `mutable` data type?	A `mutable` data type allows modification of its state after creation: `list` in Python, `ArrayList` in Java.	2024-09-05	Deactivate		Edit	Delete
3879	How do you use `super` in Python?	In Python, `super()` is used to call a method from a parent class: `super().methodName()`.	2024-09-05	Deactivate		Edit	Delete
3880	What is `dependency injection`?	Dependency injection is a design pattern that allows a program to achieve inversion of control by passing dependencies to an object rather than having it construct them: `Spring Framework`.	2024-09-05	Deactivate		Edit	Delete
3881	How do you use `default arguments` in Python?	In Python, `default arguments` are specified in function definitions: `def func(x, y=10):`.	2024-09-05	Deactivate		Edit	Delete
3882	What is `test coverage`?	Test coverage measures the extent to which code is tested: `line coverage`, `branch coverage`.	2024-09-05	Deactivate		Edit	Delete
3883	How do you use `multi-threading` in Java?	In Java, `multi-threading` is managed using the `Thread` class or `Runnable` interface: `new Thread(() -> { /* code */ }).start();`.	2024-09-05	Deactivate		Edit	Delete
3884	What is `RESTful API`?	A RESTful API is an architectural style that uses HTTP requests to manage resources: `GET`, `POST`, `PUT`, `DELETE`.	2024-09-05	Deactivate		Edit	Delete
3885	How do you use `async/await` in JavaScript?	In JavaScript, `async/await` simplifies asynchronous code: `async function fetchData() { const data = await fetch(url); }`.	2024-09-05	Deactivate		Edit	Delete
3886	What is `polymorphism` in object-oriented programming?	Polymorphism allows objects to be treated as instances of their parent class: `method overriding`, `method overloading`.	2024-09-05	Deactivate		Edit	Delete
3887	How do you use `SQL indexes`?	In SQL, `indexes` speed up data retrieval: `CREATE INDEX idx_name ON table_name(column_name);`.	2024-09-05	Deactivate		Edit	Delete
3888	What is `event-driven architecture`?	Event-driven architecture focuses on producing and reacting to events: `event producers`, `event consumers`.	2024-09-05	Deactivate		Edit	Delete
3889	How do you use `encapsulation` in Java?	In Java, `encapsulation` is achieved by using private fields and public getters/setters: `private int age; public int getAge() { return age; }`.	2024-09-05	Deactivate		Edit	Delete
3890	What is `back-end development`?	Back-end development involves server-side programming: `Node.js`, `Django`, `Ruby on Rails`.	2024-09-05	Deactivate		Edit	Delete
3891	How do you use `callback functions` in JavaScript?	In JavaScript, `callback functions` are passed as arguments to other functions: `function process(data, callback) { callback(data); }`.	2024-09-05	Deactivate		Edit	Delete
3892	What is `synchronous vs asynchronous programming`?	Synchronous programming executes tasks sequentially: `function sync() { /* code */ }`. Asynchronous programming allows tasks to run concurrently: `async function async() { /* code */ }`.	2024-09-05	Deactivate		Edit	Delete
3893	How do you use `data structures` in Python?	Python provides various data structures: `list`, `tuple`, `dict`, `set`.	2024-09-05	Deactivate		Edit	Delete
3894	What is `functional programming`?	Functional programming treats computation as the evaluation of mathematical functions: `pure functions`, `higher-order functions`.	2024-09-05	Deactivate		Edit	Delete
3895	How do you use `object-oriented programming`?	Object-oriented programming uses classes and objects to model real-world entities: `class`, `object`, `inheritance`.	2024-09-05	Deactivate		Edit	Delete
3896	What is `SQL normalization`?	SQL normalization organizes data to reduce redundancy: `1NF`, `2NF`, `3NF`.	2024-09-05	Deactivate		Edit	Delete
3897	How do you use `inheritance` in Python?	In Python, inheritance is achieved by defining a class that inherits from a parent class: `class Child(Parent):`.	2024-09-05	Deactivate		Edit	Delete
3898	What is `DevOps`?	DevOps is a set of practices that combines software development and IT operations: `CI/CD`, `automation`, `monitoring`.	2024-09-05	Deactivate		Edit	Delete
3899	How do you use `unit testing` in Java?	In Java, `unit testing` is performed using frameworks like JUnit: `@Test public void testMethod() { /* code */ }`.	2024-09-05	Deactivate		Edit	Delete
3900	What is `design patterns`?	Design patterns are reusable solutions to common problems: `Singleton`, `Factory`, `Observer`.	2024-09-05	Deactivate		Edit	Delete
3901	How do you use `data validation`?	Data validation ensures input meets criteria: `form validation`, `type checking`.	2024-09-05	Deactivate		Edit	Delete
3902	What is `cloud computing`?	Cloud computing provides on-demand computing resources over the internet: `AWS`, `Azure`, `Google Cloud`.	2024-09-05	Deactivate		Edit	Delete
3903	How do you use `version control` in software development?	Version control tracks changes to source code: `Git`, `SVN`.	2024-09-05	Deactivate		Edit	Delete
3904	What is `API documentation`?	API documentation provides detailed information about APIs: `endpoints`, `parameters`, `responses`.	2024-09-05	Deactivate		Edit	Delete
3905	How do you use `hashing` in programming?	Hashing converts data into fixed-size values: `hash functions`, `hash tables`.	2024-09-05	Deactivate		Edit	Delete
3906	What is `API rate limiting`?	API rate limiting restricts the number of API requests: `throttling`, `rate limits`.	2024-09-05	Deactivate		Edit	Delete
3907	How do you use `environment variables`?	Environment variables configure application settings: `process.env.VAR_NAME` in Node.js.	2024-09-05	Deactivate		Edit	Delete
3908	What is `graphQL`?	GraphQL is a query language for APIs: `query`, `mutation`, `subscription`.	2024-09-05	Deactivate		Edit	Delete
3909	How do you use `git branching`?	Git branching allows for parallel development: `git branch`, `git checkout`, `git merge`.	2024-09-05	Deactivate		Edit	Delete
3910	What is `continuous integration`?	Continuous integration (CI) involves regularly merging code changes: `automated builds`, `tests`.	2024-09-05	Deactivate		Edit	Delete
3911	How do you use `event listeners` in JavaScript?	Event listeners respond to events: `element.addEventListener("click", function() { /* code */ });`.	2024-09-05	Deactivate		Edit	Delete
3912	What is `message queue`?	A message queue stores messages for asynchronous processing: `RabbitMQ`, `Kafka`.	2024-09-05	Deactivate		Edit	Delete
3913	How do you use `memory management` in programming?	Memory management involves allocating and freeing memory: `malloc`, `free` in C/C++.	2024-09-05	Deactivate		Edit	Delete
3914	What is `data encryption`?	Data encryption secures data by converting it into a coded format: `AES`, `RSA`.	2024-09-05	Deactivate		Edit	Delete
3915	How do you use `SQL subqueries`?	SQL subqueries are nested queries within another query: `SELECT * FROM table WHERE id IN (SELECT id FROM other_table);`.	2024-09-05	Deactivate		Edit	Delete
3916	What is `data modeling`?	Data modeling involves designing data structures: `ER diagrams`, `data schemas`.	2024-09-05	Deactivate		Edit	Delete
3917	How do you use `secure coding practices`?	Secure coding practices prevent vulnerabilities: `input validation`, `output encoding`.	2024-09-05	Deactivate		Edit	Delete
3918	What is `microservices`?	Microservices architecture breaks an application into small services: `independent`, `scalable`.	2024-09-05	Deactivate		Edit	Delete
3919	How do you use `mocking` in unit tests?	Mocking simulates dependencies in unit tests: `Mockito`, `mock`.	2024-09-05	Deactivate		Edit	Delete
3920	What is `data integrity`?	Data integrity ensures data accuracy and consistency: `constraints`, `validation`.	2024-09-05	Deactivate		Edit	Delete
3921	How do you use `serialization` in programming?	Serialization converts objects to a storable format: `JSON`, `XML`, `pickle` in Python.	2024-09-05	Deactivate		Edit	Delete
3922	What is `API authentication`?	API authentication verifies users accessing APIs: `OAuth`, `API keys`.	2024-09-05	Deactivate		Edit	Delete
3923	How do you use `ORM (Object-Relational Mapping)`?	ORM maps objects to database tables: `Hibernate`, `Entity Framework`.	2024-09-05	Deactivate		Edit	Delete
3924	What is `code linting`?	Code linting checks for programming errors: `ESLint`, `Pylint`.	2024-09-05	Deactivate		Edit	Delete
3925	How do you use `dependency management`?	Dependency management handles libraries and packages: `npm`, `Maven`.	2024-09-05	Deactivate		Edit	Delete
3926	What is `API throttling`?	API throttling limits request rates: `rate limits`, `API quotas`.	2024-09-05	Deactivate		Edit	Delete
3927	How do you use `data pagination`?	Data pagination divides data into pages: `LIMIT`, `OFFSET` in SQL.	2024-09-05	Deactivate		Edit	Delete
3928	What is `API versioning`?	API versioning manages changes in APIs: `version numbers`, `versioned endpoints`.	2024-09-05	Deactivate		Edit	Delete
3929	How do you use `Jenkins` for CI/CD?	Jenkins automates build and deployment: `pipeline`, `jobs`.	2024-09-05	Deactivate		Edit	Delete
3930	What is `cache`?	Cache stores frequently accessed data: `Redis`, `Memcached`.	2024-09-05	Deactivate		Edit	Delete
3931	How do you use `Docker`?	Docker packages applications into containers: `Dockerfile`, `docker run`.	2024-09-05	Deactivate		Edit	Delete
3932	What is `load balancing`?	Load balancing distributes incoming network traffic: `Nginx`, `HAProxy`.	2024-09-05	Deactivate		Edit	Delete
3933	How do you use `REST API` with `OAuth2`?	OAuth2 provides secure API access: `authorization code`, `access tokens`.	2024-09-05	Deactivate		Edit	Delete
3934	What is `data warehousing`?	Data warehousing involves collecting and managing data from multiple sources: `ETL`, `data marts`.	2024-09-05	Deactivate		Edit	Delete
3935	How do you use `error handling` in Python?	Error handling in Python uses `try`, `except` blocks: `try: /* code */ except Exception as e: /* handle */`.	2024-09-05	Deactivate		Edit	Delete
3936	What is `scalability`?	Scalability refers to the ability to handle growth: `horizontal scaling`, `vertical scaling`.	2024-09-05	Deactivate		Edit	Delete
3937	How do you use `async programming` in C#?	Async programming in C# uses `async` and `await`: `public async Task DoWorkAsync() { await Task.Delay(1000); }`.	2024-09-05	Deactivate		Edit	Delete
3938	What is `containerization`?	Containerization packages applications with their dependencies: `Docker`, `Kubernetes`.	2024-09-05	Deactivate		Edit	Delete
3939	How do you use `event sourcing`?	Event sourcing captures state changes as events: `event store`, `event handlers`.	2024-09-05	Deactivate		Edit	Delete
3940	What is `big data`?	Big data refers to large, complex datasets: `Hadoop`, `Spark`.	2024-09-05	Deactivate		Edit	Delete
3941	How do you use `API testing`?	API testing verifies API functionality: `Postman`, `RestAssured`.	2024-09-05	Deactivate		Edit	Delete
3942	What is `DevSecOps`?	DevSecOps integrates security into DevOps: `security automation`, `shift-left`.	2024-09-05	Deactivate		Edit	Delete
3943	How do you use `load testing`?	Load testing evaluates system performance under load: `JMeter`, `load generators`.	2024-09-05	Deactivate		Edit	Delete
3944	What is `data mining`?	Data mining extracts patterns from large datasets: `clustering`, `association rules`.	2024-09-05	Deactivate		Edit	Delete
3945	How do you use `code reviews`?	Code reviews involve reviewing code changes: `pull requests`, `review tools`.	2024-09-05	Deactivate		Edit	Delete
3946	What is `microservices architecture`?	Microservices architecture structures an application as a collection of small services: `independent`, `deployed`.	2024-09-05	Deactivate		Edit	Delete
3947	How do you use `API documentation tools`?	API documentation tools generate API docs: `Swagger`, `Redoc`.	2024-09-05	Deactivate		Edit	Delete
3948	What is `machine learning`?	Machine learning involves algorithms that learn from data: `supervised`, `unsupervised`.	2024-09-05	Deactivate		Edit	Delete
3949	How do you use `memory leak detection`?	Memory leak detection identifies leaks: `Valgrind`, `profiler`.	2024-09-05	Deactivate		Edit	Delete
3950	What is `container orchestration`?	Container orchestration manages container deployment: `Kubernetes`, `Docker Swarm`.	2024-09-05	Deactivate		Edit	Delete
3951	How do you use `WebSocket`?	WebSocket provides full-duplex communication: `ws://`, `WebSocket API`.	2024-09-05	Deactivate		Edit	Delete
3952	What is `A/B testing`?	A/B testing compares two versions: `A`, `B`.	2024-09-05	Deactivate		Edit	Delete
3953	How do you use `type checking` in TypeScript?	TypeScript uses static type checking: `type`, `interface`.	2024-09-05	Deactivate		Edit	Delete
3954	What is `software architecture`?	Software architecture defines the structure of software systems: `design patterns`, `architectural styles`.	2024-09-05	Deactivate		Edit	Delete
3955	How do you use `CI/CD pipelines`?	CI/CD pipelines automate software development processes: `build`, `test`, `deploy`.	2024-09-05	Deactivate		Edit	Delete
3956	What is `RESTful API`?	RESTful API uses HTTP methods: `GET`, `POST`, `PUT`, `DELETE`.	2024-09-05	Deactivate		Edit	Delete
3957	How do you use `Django` for web development?	Django is a web framework for Python: `models`, `views`, `templates`.	2024-09-05	Deactivate		Edit	Delete
3958	What is `TypeScript`?	TypeScript is a typed superset of JavaScript: `static types`, `compilation`.	2024-09-05	Deactivate		Edit	Delete
3959	How do you use `Nginx` as a web server?	Nginx serves static and dynamic content: `reverse proxy`, `load balancing`.	2024-09-05	Deactivate		Edit	Delete
3960	What is `CI/CD`?	CI/CD automates code integration and deployment: `continuous integration`, `continuous deployment`.	2024-09-05	Deactivate		Edit	Delete
3961	How do you use `Redux` with React?	Redux manages application state: `store`, `reducers`, `actions`.	2024-09-05	Deactivate		Edit	Delete
3962	What is `GraphQL`?	GraphQL is a query language for APIs: `schemas`, `queries`, `mutations`.	2024-09-05	Deactivate		Edit	Delete
3963	How do you use `Kubernetes` for container orchestration?	Kubernetes manages containerized applications: `pods`, `services`, `deployments`.	2024-09-05	Deactivate		Edit	Delete
3964	What is `SQL`?	SQL is a language for managing relational databases: `queries`, `tables`, `indexes`.	2024-09-05	Deactivate		Edit	Delete
3965	How do you use `JUnit` for Java testing?	JUnit provides annotations for testing: `@Test`, `@Before`, `@After`.	2024-09-05	Deactivate		Edit	Delete
3966	What is `NoSQL`?	NoSQL is a non-relational database type: `document`, `key-value`, `column-family`.	2024-09-05	Deactivate		Edit	Delete
3967	How do you use `Flask` for web applications?	Flask is a lightweight Python web framework: `routes`, `templates`, `requests`.	2024-09-05	Deactivate		Edit	Delete
3968	What is `Docker`?	Docker containers encapsulate applications: `images`, `containers`, `Dockerfile`.	2024-09-05	Deactivate		Edit	Delete
3969	How do you use `Jupyter Notebook`?	Jupyter Notebook is for interactive computing: `code cells`, `markdown cells`, `visualizations`.	2024-09-05	Deactivate		Edit	Delete
3970	What is `Firebase`?	Firebase provides backend services: `authentication`, `database`, `hosting`.	2024-09-05	Deactivate		Edit	Delete
3971	How do you use `Sass` in web development?	Sass extends CSS with features: `variables`, `nesting`, `mixins`.	2024-09-05	Deactivate		Edit	Delete
3972	What is `OAuth`?	OAuth is an authorization framework: `tokens`, `authorization server`, `resource server`.	2024-09-05	Deactivate		Edit	Delete
3973	How do you use `Swift` for iOS development?	Swift is Apple’s programming language for iOS: `optionals`, `protocols`, `closures`.	2024-09-05	Deactivate		Edit	Delete
3974	What is `REST`?	REST is an architectural style for networked applications: `stateless`, `resources`, `HTTP methods`.	2024-09-05	Deactivate		Edit	Delete
3975	How do you use `Vue.js` for frontend development?	Vue.js is a JavaScript framework: `components`, `directives`, `reactivity`.	2024-09-05	Deactivate		Edit	Delete
3976	What is `Angular`?	Angular is a TypeScript-based framework: `components`, `services`, `dependency injection`.	2024-09-05	Deactivate		Edit	Delete
3977	How do you use `Apache Kafka`?	Apache Kafka handles real-time data streams: `topics`, `producers`, `consumers`.	2024-09-05	Deactivate		Edit	Delete
3978	What is `JWT`?	JWT is a JSON-based token format: `claims`, `signature`, `header`.	2024-09-05	Deactivate		Edit	Delete
3979	How do you use `Spring Boot`?	Spring Boot simplifies Java application development: `auto-configuration`, `starter projects`, `embedded servers`.	2024-09-05	Deactivate		Edit	Delete
3980	What is `Webpack`?	Webpack bundles JavaScript modules: `entry`, `output`, `loaders`.	2024-09-05	Deactivate		Edit	Delete
3981	How do you use `Cypress` for end-to-end testing?	Cypress provides a framework for testing web applications: `commands`, `assertions`, `fixtures`.	2024-09-05	Deactivate		Edit	Delete
3982	What is `MongoDB`?	MongoDB is a NoSQL database: `document-oriented`, `collections`, `BSON`.	2024-09-05	Deactivate		Edit	Delete
3983	How do you use `R` for data analysis?	R is a language for statistical computing: `data frames`, `ggplot2`, `dplyr`.	2024-09-05	Deactivate		Edit	Delete
3984	What is `Serverless computing`?	Serverless computing abstracts server management: `functions`, `event-driven`, `scaling`.	2024-09-05	Deactivate		Edit	Delete
3985	How do you use `jQuery`?	jQuery simplifies DOM manipulation: `selectors`, `events`, `AJAX`.	2024-09-05	Deactivate		Edit	Delete
3986	What is `Amazon Web Services (AWS)`?	AWS provides cloud computing services: `EC2`, `S3`, `Lambda`.	2024-09-05	Deactivate		Edit	Delete
3987	How do you use `Mockito` for Java testing?	Mockito provides mocking for unit tests: `mocks`, `stubs`, `verification`.	2024-09-05	Deactivate		Edit	Delete
3988	What is `Tailwind CSS`?	Tailwind CSS is a utility-first CSS framework: `classes`, `customization`, `responsive`.	2024-09-05	Deactivate		Edit	Delete
3989	How do you use `Apache Maven`?	Apache Maven manages project dependencies: `pom.xml`, `repositories`, `plugins`.	2024-09-05	Deactivate		Edit	Delete
3990	What is `Spring MVC`?	Spring MVC is a framework for building web applications: `controllers`, `views`, `models`.	2024-09-05	Deactivate		Edit	Delete
3991	How do you use `Pandas` in Python?	Pandas provides data structures for data analysis: `DataFrame`, `Series`, `groupby`.	2024-09-05	Deactivate		Edit	Delete
3992	What is `Selenium`?	Selenium automates web browsers: `WebDriver`, `IDE`, `grid`.	2024-09-05	Deactivate		Edit	Delete
3993	How do you use `Jenkins` for CI/CD?	Jenkins automates build and deployment: `jobs`, `pipelines`, `plugins`.	2024-09-05	Deactivate		Edit	Delete
3994	What is `WebAssembly`?	WebAssembly enables high-performance web apps: `binary format`, `compilation`, `execution`.	2024-09-05	Deactivate		Edit	Delete
3995	How do you use `SQLAlchemy` with Python?	SQLAlchemy provides ORM for database interactions: `sessions`, `models`, `queries`.	2024-09-05	Deactivate		Edit	Delete
3996	What is `Razor` in ASP.NET?	Razor is a view engine for dynamic web pages: `syntax`, `layouts`, `HTML`.	2024-09-05	Deactivate		Edit	Delete
3997	How do you use `GIT` for version control?	GIT manages code versions: `commits`, `branches`, `merges`.	2024-09-05	Deactivate		Edit	Delete
3998	What is `Elastic Beanstalk`?	Elastic Beanstalk deploys web applications: `platform`, `scaling`, `management`.	2024-09-05	Deactivate		Edit	Delete
3999	How do you use `Laravel` for PHP development?	Laravel is a PHP framework: `routes`, `Eloquent ORM`, `Blade templates`.	2024-09-05	Deactivate		Edit	Delete
4000	What is `jQuery UI`?	jQuery UI extends jQuery: `widgets`, `effects`, `interactions`.	2024-09-05	Deactivate		Edit	Delete
4001	How do you use `React Hooks`?	React Hooks manage state and effects: `useState`, `useEffect`, `custom hooks`.	2024-09-05	Deactivate		Edit	Delete
4002	What is `OpenAPI`?	OpenAPI defines APIs: `specifications`, `endpoints`, `documentation`.	2024-09-05	Deactivate		Edit	Delete
4003	How do you use `Oracle Database`?	Oracle Database manages relational data: `tables`, `SQL queries`, `PL/SQL`.	2024-09-05	Deactivate		Edit	Delete
4004	What is `OAuth 2.0`?	OAuth 2.0 is an authorization framework: `access tokens`, `authorization code`, `refresh tokens`.	2024-09-05	Deactivate		Edit	Delete
4005	How do you use `Microsoft Azure`?	Microsoft Azure offers cloud services: `virtual machines`, `app services`, `databases`.	2024-09-05	Deactivate		Edit	Delete
4006	What is `PHP`?	PHP is a server-side scripting language: `dynamic web pages`, `databases`, `sessions`.	2024-09-05	Deactivate		Edit	Delete
4007	How do you use `Scala`?	Scala is a programming language: `functional`, `object-oriented`, `JVM`.	2024-09-05	Deactivate		Edit	Delete
4008	What is `Redis`?	Redis is an in-memory data store: `key-value`, `caching`, `pub/sub`.	2024-09-05	Deactivate		Edit	Delete
4009	How do you use `Apache Spark`?	Apache Spark is for big data processing: `RDDs`, `DataFrames`, `Spark SQL`.	2024-09-05	Deactivate		Edit	Delete
4010	What is `JupyterLab`?	JupyterLab is an IDE for Jupyter notebooks: `interactive notebooks`, `code editors`, `terminals`.	2024-09-05	Deactivate		Edit	Delete
4011	How do you use `Numpy` in Python?	Numpy provides numerical computing: `arrays`, `linear algebra`, `statistics`.	2024-09-05	Deactivate		Edit	Delete
4012	What is `Firebase Authentication`?	Firebase Authentication handles user identity: `sign-in methods`, `custom tokens`, `user management`.	2024-09-05	Deactivate		Edit	Delete
4013	How do you use `Jupyter Notebook` extensions?	Jupyter Notebook extensions enhance functionality: `codefolding`, `snippets`, `table of contents`.	2024-09-05	Deactivate		Edit	Delete
4014	What is `Terraform`?	Terraform manages infrastructure as code: `providers`, `resources`, `modules`.	2024-09-05	Deactivate		Edit	Delete
4015	How do you use `SwiftUI`?	SwiftUI builds user interfaces in Swift: `views`, `modifiers`, `data binding`.	2024-09-05	Deactivate		Edit	Delete
4016	What is `ElasticSearch`?	ElasticSearch is a search engine: `indexing`, `search queries`, `scalability`.	2024-09-05	Deactivate		Edit	Delete
4017	How do you use `React Native` for mobile development?	React Native builds mobile apps with JavaScript: `components`, `native modules`, `navigation`.	2024-09-05	Deactivate		Edit	Delete
4018	What is `Vue Router`?	Vue Router manages routing in Vue.js applications: `routes`, `navigation`, `guards`.	2024-09-05	Deactivate		Edit	Delete
4019	How do you use `MySQL`?	MySQL is a relational database management system: `queries`, `indexes`, `transactions`.	2024-09-05	Deactivate		Edit	Delete
4020	What is `Apache Tomcat`?	Apache Tomcat is a Java servlet container: `servlets`, `JSP`, `configuration`.	2024-09-05	Deactivate		Edit	Delete
4021	How do you use `Celery` with Django?	Celery handles asynchronous tasks: `tasks`, `brokers`, `result backends`.	2024-09-05	Deactivate		Edit	Delete
4022	What is `Bootstrap`?	Bootstrap is a CSS framework: `grid system`, `components`, `utilities`.	2024-09-05	Deactivate		Edit	Delete
4023	How do you use `Nginx` as a reverse proxy?	Nginx forwards requests to backend servers: `proxy_pass`, `load balancing`, `caching`.	2024-09-05	Deactivate		Edit	Delete
4024	What is `Jenkins Pipeline`?	Jenkins Pipeline defines CI/CD workflows: `stages`, `steps`, `scripts`.	2024-09-05	Deactivate		Edit	Delete
4025	How do you use `Docker Compose`?	Docker Compose manages multi-container applications: `services`, `networks`, `volumes`.	2024-09-05	Deactivate		Edit	Delete
4026	What is `GraphQL`?	GraphQL is a query language for APIs: `queries`, `mutations`, `schemas`.	2024-09-05	Deactivate		Edit	Delete
4027	How do you use `Django Rest Framework`?	Django Rest Framework provides APIs: `serializers`, `views`, `routers`.	2024-09-05	Deactivate		Edit	Delete