Which version of Java should you use in Linux? Learn how to easily switch between different versions with a tutorial from Jack Wallen.

To do the same, open Command Prompt and then run the following command to check which version of Java is installed on your computer.

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.

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.

You can check which Java version is on your Mac to see if you have the most up-to-date Java running, or you can check on the Java website.

But these aforementioned Java command-line tools -- namely, javac, javap, jstat, jdeps and jar -- are the five that serious software developers need to know.

Writing code to parse command line arguments is still necessary sometimes. When you need to examine command line arguments, see how and why you should use your open source Java toolkit and use ...

Do you need to compare two files to see how they're different? On Windows 11 (and 10), you can use the FC command without needing third-party tools, and in this guide, I'll explain how.