Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

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 ...

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 ...