Emptying Java Cache

Please close any web browsers you have open.

Mac users: navigate to Applications / Utilities / Java Preferences

Windows users: Java preferences is in you Start menu -> Control Panels window.

Launch Java preferences. The General tab shows which version(s) of Java you have installed (1).

Go to the Network tab (1).
You can view cached files (which you have previously used in Java on your computer) (2)

To Delete the cached java files, click "Delete files" (3)

A dialog appears, you can uncheck Trace and Log files

Click OK. Downloaded java applications / files have now been deleted.