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

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...

Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.

Use Java's extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, override methods, and more.