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.

Here's the easiest way to install Java on Ubuntu with apt. Follow these steps and you'll get the JDK installed in no time, and be ready to use your Java on Ubuntu setup right away.

For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

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

Need to serve your java apps from a user-friend web app? Look no further than Tomcat. Find out how to install Tomcat on Ubuntu Linux.