Below is a website from which TerminalIO can be downloaded: <a href="http://www.bluepelicanjava.com/Download_jar.htm">http://www.bluepelicanjava.com/Download_jar.htm</a> (he is an underscore between d and j) Put this jar files in the appropriate folder similar to the following: C:\Program Files\Java\jdk1.5.0_04\jre\lib\ext Two popular programming environments, BlueJ and JCreator will both recognize classes within jar files placed in this folder.