Creating dynamic web pages is necessary if a web site wants to display the current state of data accurately, for example showing temperatures around the world. There are several ways to accomplish ...

Charles Nutter remembers when, working as a Java architect, he attended a conference and saw the Ruby programming language for the first time. And he was blown away. “I was just stunned that I ...

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

Pop quiz: Do you know what annotation metadata is? If you’re like most coders, you don’t—and that has been okay, says Graeme Rocher, creator of Java application frameworks, including Grails. But in a ...

The open source community has created many open source Java projects, which range from charting software to game frameworks to word processors. In this post, I introduce an open source library project ...