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 refer to a derived class object using a reference…
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virtual class in c++
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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…
