Java Tester is a program invoked from a World Wide Web page, which must be run from an XWindow (not your desktop PC or Mac unless from an XWindow on it). Your browser must support file input tags, as shown here:
To run Java Tester, you must use the User Interface to supply the names of several input files:
Or, you may create a Resource File that contains default input file names.All files except Resource File and Additional Files are required.
Look here for a tutorial on creating the files.
After supplying all necessary file names, select the report format. (Need section describing difference, interpreting results) Then, simply click on Run Java Tester. The results of the run will be displayed in your web browser.