Chapter 11.1, Problem 11.1CP

Explanation of Solution

The “is a” relationship in inheritance:

In C#, if one object is a specialized type of another object, then there should be an “is a” relationship between those objects. This is used to create the “is a” relationship among several classes.

For example:

• A truck is a vehicle.
• A circle is a shape.

In the above example,

• The first statement implies that the vehicle is a “base class” and truck is the “derived class”.
  • The “vehicle” is the parent of the “truck” in inheritance tree.
• Similarly, the second statement implies that the shape is a “base class” and “circle” is the “derived class”...