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1. Which of the following is a valid declaration of a char? a) char ch = 'A'; b) char ch = "A"; c) char ch = A; d) char ch = 65;

Answer: a) char ch = 'A';

2. Which keyword is used to inherit a class in Java? a) this b) super c) extends d) implements

Answer: c) extends

3. What is the default value of a boolean variable in Java? a) true b) false c) 0 d) 1

Answer: b) false

4. Which of the following is not a Java feature? a) Object-Oriented b) Portable c) Use of pointers d) Dynamic and Extensible

Answer: c) Use of pointers

5. Which of the following is used to create a thread in Java? a) Extending the Thread class b) Implementing the Runnable interface c) Extending the Runnable class d) Both a and b

Answer: d) Both a and b

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1. What will be the output of the following code snippet? def func(a, L=[]): L.append(a) return L print(func(1)) print(func(2)) print(func(3)) A) [1], [2], [3] B) [1], [1, 2], [1, 2, 3] C) [1], [1], [1] D) Error Answer: B) [1], [1, 2], [1, 2, 3] 2. In Python, what is the output of the following code? x = {1, 2, 3, 4} y = {3, 4, 5, 6} print(x & y) A) {1, 2} B) {3, 4, 5, 6} C) {3, 4} D) None Answer: C) {3, 4} 3. Which of the following correctly defines a generator in Python? A) A function that returns a list using return B) A function with the yield keyword C) A function that contains a global statement D) A class method marked with @staticmethod Answer: B) A function with the yield keyword 4. What does the name == "main" condition signify in a Python script? A) The script is being imported as a module B) The script is executed as the main program C) There is a syntax error D) It indicates an object-oriented feature Answer: B) The script is executed as the main program 5. What will be the output of the following code snippet? class A: def init(self): print("A", end=" ") class B(A): def init(self): super().init() print("B", end=" ") class C(B): def init(self): super().init() print("C", end=" ") obj = C() A) C B A B) A B C C) B C A D) A C B Answer: B) A B C

1. What is the output of the following code: print(type(5)) A) <class 'int'> B) <class 'float'> C) <class 'string'> D) <class 'complex'>

Answer: A) <class 'int'>

2. Which of the following is the correct syntax for a function definition in Python? A) function myFunction(): B) def myFunction: C) def myFunction(): D) func myFunction():

Answer: C) def myFunction():

3. What will be the output of the following code? x = [1, 2, 3] print(x * 2) A) [2, 4, 6] B) [1, 2, 3, 1, 2, 3] C) Syntax Error D) None

Answer: B) [1, 2, 3, 1, 2, 3]

4. What is the result of this expression: 4 ** 0.5? A) 4 B) 2 C) 16 D) 1

Answer: B) 2

5. What does the len() function do in Python? A) Adds elements to a list B) Returns the number of characters in a string or elements in a container C) Finds the maximum element D) Converts data to string

Answer: B) Returns the number of characters in a string or elements in a container

6. How do you create a single-line comment in Python? A) /* Comment */ B) // Comment C) # Comment D) <-- Comment -->

Answer: C) # Comment

7. What is the correct way to import a module named math? A) import.math B) import(math) C) include math D) import math

Answer: D) import math

8. Which data structure allows for duplicates in Python? A) Set B) Dictionary C) List D) All of the above

Answer: C) List

9. What is the result of the following expression: bool(0) A) True B) False C) None D) Error

Answer: B) False

10. What keyword is used to create a class in Python? A) object B) def C) class D) create

Answer: C) class

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