Java is a very extensively used programming language. In this article, we explain how you can run Java programs from the Command Prompt.

To check which version of Java you're running, you'll need to use Windows 10's Command Prompt app. The Command Prompt can seem intimidating at first, but if you know what to type, you'll be fine.

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.

Disabling Java in OS X requires doing so for each user account; however, even terminal commands for doing this may be a bit impractical to use as a substitute.

With the source code written, the JUnit-based unit tests written, and the NetBeans Java Application project set up as shown above, it is almost trivial to run the unit tests.

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.

Don't get too far away from your code in the development process. These five Java command-line tools help bring you back to your code base and ease JDK troubleshooting.