User Interactions.
Lab description lab12.pdf or lab12.html
Download the following file and unzip it.A zip file for the lab Lab12.zip
Import into your Lab12 project the folder Lab12, then click the box to the left of Lab12. It should copy all Java sources into the defualt directory, and make a folder jptdraw with the fileJPTCanvas.java within the jptdrawpackage.
The JPT libraries jpt.jar