This solution is just what it says: a sample. There are probably as many different good solutions as there are students in this course. This is just one acceptable solution.

The TAs will not be expecting your solutions to look just like this one. They will be checking to see if your solution makes sense and covers the basic requirements.

GUI pictures
activity diagrams
test plan

These three documents contain quite a few comments. They are intended to do the following:

• Explain how this design works
• Make it clear to both students and TAs what was required and what was not
• Give a bit of advice for implementation (Assignment 4)