IBPS SO IT Officer OOP Quiz 2026, FREE PDF & Live Quiz

1. In Java, an abstract class implements an interface containing abstract methods but does not implement any of them. What is true?

2. In Java, a static method declared in a subclass with the same signature as a static method in its superclass is:

3. Which OOP principle bundles data with methods and restricts direct access to internal state?

4. Which OOP principle allows the same interface/method call to have different implementations depending on the actual object?

5. Which OOP principle focuses on exposing essential behavior while hiding implementation details?

6. Inheritance primarily represents which relationship?

7. Composition primarily represents which relationship?

8. Which C++ feature is commonly used to solve the ambiguity of the diamond inheritance problem?

9. In C++, which constructor is invoked when a new object is initialized from another object of the same class?

10. What is the purpose of a destructor in C++?

11. In Java, if a class declares no constructor, the compiler normally provides:

12. Which Java access modifier makes a member accessible only within its declaring class?

13. A derived class cannot directly access which members of its base class?

14. Method overloading is resolved primarily at:

15. Overridden instance methods in Java are generally selected using:

16. Which statement about Java static methods is correct?

17. What is an interface primarily used for in Java?

18. Which Java keyword is used for class inheritance?

19. Which Java keyword is used when a class adopts an interface?

20. In Python, which method is commonly called to initialize a newly created instance?