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

The main download page notes that the JRE is included in all versions except those for Linux and OS X, adding this explanation: Java is required for complete OpenOffice.org functionality.

If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.