OOP (Object-oriented programming) MCQ

1. The ________ is used to protect important data.

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

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

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

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

6. Can I create new operators using operator overloading?

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

8. What is a “const member function”?

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

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

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

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

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

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

15. Constructors never have an explicit return type.

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

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

18. What is dynamic dispatch?

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