Creating tray icons in Java Written by Lee Chuk-Munn, Contributor June 29, 2006 at 7:35 p.m. PT A tray icon is a long-lived application that sits on your computer desktop's system tray.

How to clear the Java cache on a Mac. 1. Click the Apple icon in the top-left and then click "System Preferences..." 2. Click "Java." If you don't see this option, it means you don't have Java ...