Object Oriented Programming interview questions part 53
Object Oriented Programming interview questions part 53
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Total Questions: 11
1. Where the virtual function should be defined?
Correct Answer is : Base class
2. The resolving of virtual functions is done at ______________
Correct Answer is : Runtime
3. In which access specifier should a virtual function be defined?
Correct Answer is : Public
4. Virtual functions can never be made _______________
Correct Answer is : Static function
5. Virtual functions can’t be made friend function of other classes.
Correct Answer is : TRUE
6. Which is must condition for virtual function to achieve runtime polymorphism?
Correct Answer is : Virtual function must be accessed using pointer or reference
7. Which among the following is true for virtual functions?
Correct Answer is : Prototype must be same in base class and derived class
8. The virtual functions must be declared and defined in _____________ class and overridden in ___________ class.
Correct Answer is : Base, derived
9. It is __________ to redefine the virtual function in derived class?
Correct Answer is : Not necessary
10. Which among the following is true?
Correct Answer is : A class may have virtual destructor but not virtual constructor
11. If virtual function of base class is redefined in derived class then, ________________________
Correct Answer is : It may or may not be declared virtual in derived class
