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

To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.

How to check the Java version on your Mac using System Preferences 1. Click on the Apple logo in the top-left of your menu bar. 2. Scroll down and click on "System Preferences." 3.