To submit as assignment using Web-CAT:
    
      - Make sure your Java source code compiles without error and
        executes correctly.
- If you have more than one source code file, create a zip file
        containing all the source files (i.e., the .javafiles) to be submitted.
-  Browse the the Web-CAT home page. 
-  Login to Web-CAT (using the username and password that were
        emailed to you).
- Locate the assignment to which you would like to
        submit.   Click on its Submit button.
 
- Click Browse and select the .java file or .zipfile that contains your source files.  Click the Upload Submission button.
-  Verify that the correct files were uploaded and click on Confirm. 
-  Wait for the "Submission Results" report. 
-  Review results and re-submit if necessary.