When to use inheritance in Java In object-oriented programming, we can use inheritance when we know there is an “is a” relationship between a child and its parent class.

Inheritance is a valuable programming technique, but in some conditions it breaks encapsulation. Find out why composition is the vital alternative to inheritance, and learn when and how to use it ...

A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can feel like an open ...