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.

Let me show you how. First, we’re going to install Java 17 and Java 18, so you can see how the switching is done. To install Java 17, open a terminal window and issue this command: ...

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