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 ...

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

Though Java prevents multiple inheritance, some circumstances warrant its use. In this article, author Thomas Hammell illustrates a technique for simulating multiple inheritance in a Web-based ...