Java is a popular programming language that every programmer should learn. This article explains much of what you need to know.

This tutorial is an introduction to socket programming in Java, starting with a simple client-server example demonstrating the basic features of Java I/O. You’ll be introduced to both the ...

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.

Lambda expressions are the biggest features integrated into Java 8. This functional programming paradigm was, until now, missing from Java. Its inclusion now will only help Java grow in the right ...

What does object-oriented programming actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Do you have a single class in your Java design that does too much and knows too much? If so, you've fallen into the God object antipattern. Here's a look at how to refactor your God object and ...