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

The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

But there are very few Java syntax checkpoints that limit the potential for inheritance-based, object-oriented corruption. The sealed Java class helps reign in the overzealous and often detrimental ...