How do we declare an abstract class?
A. By providing at least one pure virtual method in a class
B. By declaring at least one method abstract using the keyword abstract in a class
C. By declaring the class abstract with the keyword abstract
D. It is not possible to create abstract classes in C++
Answer:A
How do we declare an abstract class?
A. By providing at least one pure virtual method in a class B. By declaring at least one method abstract using the keyword abstract in a class C. By declaring the class abstract with the keyword abstract D. It is not possible to create abstract classes in C++