Learn how to use the Command pattern to encapsulate requests as objects that you can execute alone or in sequence in your Java programs.

Now, open the Command Prompt and run it as administrator. We will make use of the ‘cd’ command to change the operating directory on the Command Prompt to the one where your Java program is stored.

There are three simple ways to set JAVA_HOME in Windows. This tutorial shows you how to do it manually, from the command line and through the installer.

Create, view, and modify Java archive files on the command line Learn how to do basic CRUD operations on JAR, WAR, and EAR files using the command line.

How to find a programs available Command Line Arguments Now that you know how to use a command line argument, you may be wondering how you can get a list of arguments that are available in a program.