Along with the Java compiler and the Java runtime executable, adding the Java 21 \bin directory to the path provides command-line access to: The JShell REPL tool. The JavaP decompiler. The Java ...

If Java is not recognized as internal or external command, you need to make sure that the installation is not problematic and its path is recognized as system variables.

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