This post explains how to install Java or check which version is running on your machine. Install on any OS, and learn about the JDK.

Oracle's newly released Java 7 runtime is relatively painless to install and uninstall.

Tomcat prerequisites There are minimal prerequisites to install Tomcat. All you need is a version 1.8 installation of the JDK or newer with the JAVA_HOME environment set up, and optionally the JDK’s ...

Jack Wallen walks you through the process of deploying the open-source GlassFish Java Application server on the latest release of Ubuntu Server.

How is Java made? Let’s take a look at the process for introducing new features to the platform, and at some of the big JDK enhancement projects on the horizon.

Which version of Java should you use in Linux? Learn how to easily switch between different versions with a tutorial from Jack Wallen.