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 ...

Whether you want to begin coding in Java or just wish to run Java apps, you first need to learn how to install Java. In this post, we’ll see how to do that. Why do you need to install Java?

Jack Wallen walks you through the process of deploying the open-source GlassFish Java Application server on the latest release of Ubuntu Server. Glassfish is a free, open-source Java application ...