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.

In the Control Panel, click on Java icon to open the Java Control Panel. Navigate to Java tab To open Java Runtime Environment settings click on View button.

Here is how to remove the Java listing in Windows Control Panel, which may remain, even after uninstalling Java. You may run this Troubleshooter or manually edit the Registry to remove the old entry.