How does the "is-a" relationship relate to inheritance? Give an example of such a relationship.

"is-a" relationship is used to indicate that a derived class belongs to the family of base class.

Explanation:

IS-A relationship based on Inheritance, which can be of two types Class Inheritance or Interface Inheritance.

"is-a" relationship is used to indicate that a derived class belongs to the family of base class. For example vehicle is a class which belongs to car base class.

Any derived class that extends base class have " is-a " relation ship with base class

Any class that implement an interface also has " is-a " relation ship" with the interface