Which version of Java should you use in Linux? ... The system will set Java 18 as the current version. You can verify the switch with the following command, where you should see Java 18 listed: ...

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.

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.