Why does Java's standard class library contain empty interfaces like Cloneable and Serializable? Find out why in this sixth installment in the "Object-oriented language basics" series. You'll also ...

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

Traverse the class's inheritance hierarchy. 10 types of Java constructors There is a variety of different types of constructors in Java, and each constructor type has its own special use case and is ...