Let's begin by reviewing some simple awt objects. Sun has a short tutorial that should remind you of how to create applets, insert various GUI components, add Listeners, and view the applets using appletviewer or a browser.
The purpose of the last exercise was for you to brush away any cobwebs that may have been woven since you last programmed in Java and to ensure that you are comfortable with the lab computer environment support for java. If you are going to work on any parts of labs on your own machine at home, it is your responsibility to make sure all is set up to your satisfaction.