Chapter 11.3, Problem 11.8CP

Explanation of Solution

Purpose of an abstract class:

• Abstract class is a class which acts as a base class for derived class that may contain one or more abstract methods and there is no need to instantiate, but it requires the derived class to provide implementations for abstract methods.
  • The keyword “abstract” is used to create an abstract class.
• A class is declared as abstract when the methods inside the class are declared as abstract without implementation...