This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
It means that any classes directly in the package java.awt can be used in this file without using their package names; nothing more, nothing less. So, for example, if you include this like you can say "new Button()" instead of "new java.awt.Button()" which you'd be require to say without it.