An abstract class is
A) one that has at least one pure virtual function.
B) one that supports polymorphism.
C) one that has all of its member functions declared private.
D) one that has all of its member variables declared private.
E) None of the above

Question

Quizplus · Accepted Answer

An abstract class is defined as a class that contains at least one pure virtual function. A pure virtual function is a function that has no implementation in the base class and is intended to be overridden by derived classes. An abstract class cannot be instantiated and can only serve as an interface for derived classes to be created. Option B, C, and D do not accurately describe an abstract class.

An Abstract Class Is