What are Virtual functions in C++ ?
Virtual function is a member function which is re-defined by a derived class and declared within a base class. When you...
Syntax for Pure Virtual Function is ?
Answer : D. void virtual show()=0
A virtual function that has no definition within the base class is called ?
Answer : A. Pure virtual function
Which of the following statements about virtual base classes is correct ?
Answer : B. It is used to avoid multiple copies of base class in derived class.
What is pure virtual function in C++ ?
Answer : A virtual function will become pure virtual function...