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.

Using Java securely on Windows 11/10 In case you need to use Java and you are running Java on your system, it is necessary to follow certain best practices to safeguard your computer.

To clear the Java cache, open the Java control panel, which you can find in the Windows Control Panel or in System Preferences on a Mac.