How do we declare an interface class?
A. By making all the methods pure virtual in a class
B. By making all the methods abstract using the keyword abstract in a class
C. By declaring the class as interface with the keyword interface
D. It is not possible to create interface class in C++
Answer:A
How do we declare an interface class?
A. By making all the methods pure virtual in a class B. By making all the methods abstract using the keyword abstract in a class C. By declaring the class as interface with the keyword interface D. It is not possible to create interface class in C++