This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
EventQueue can only create events for the current Java application. The mouse and key events generated by Robot are sent through the operating system and can therefore send events to any application, as long as it's visible on the desktop.