In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

This two-part article, excerpted from Chapter 2 in Thinking in Java 2nd. ed. (Prentice Hall, 2000), moves you to the point where you can write your first Java program. Bruce Eckel gives an ...

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

He has led software development projects to build enterprise-class software applications and has extensive experience with Java and Perl. He is the author of several Java books, including one called ...