OOP (Object-oriented programming) MCQ

1. Each object of a class has its own copy of the class's ________.

2. The ________ is used to protect important data.

3. Objects are created from abstract data types that encapsulate ________ and ________ together.

4. Every event object has the _____ method that returns the object that triggered the event.

5. A class is a(n) _____________ that is defined by the programmer.

6. Can I inherit the constructor and destructor of a base class?

7. Can I create new operators using operator overloading?

8. _____________ is actually a parameterized constructor which takes some parameters in order to create instance of a class.

9. What is a “const member function”?

10. If the child object can exist beyond the lifetime of its parent, then the relationship is ____________.

11. __________ allows for the separation of object interactions from classes and inheritance into distinct layers of abstraction.

12. Which of the following is false for a destructor?

13. Common behavior can be defined in a superclass and inherited into a subclass using the ___________ keyword.

14. What are the major elements in an object model?

15. A recursive function would result in infinite recursion, if the following were left out:

16. Constructors never have an explicit return type.

17. In dynamic type case a type safety check is incurred at ____________.

18. Constructors have to be called before the main function:

19. What is dynamic dispatch?

20. Which of the following is true for package access modifier?