As a student I want to be able to...

• Add my grade(s)
• Remove grade(s)
• View all my grades
• Choose a class and check all my grades for said class
• Calculate the average in any of my classes
• Calculate my overall average
• Save my grades to file
• Load my grades from file

Phase 4: Task 2

Tested and designed GradesCalculator in the model package to be robust.

Phase 4: Task 3

• Change the design of UserInterface with InputPanel and OutputPanel
  • Reduce coupling/loosen coupling
    • Both UserInterface and InputPanel have associations to OutputPanel, while UserInterface has an association with InputPanel! This should have been avoided.
    • This causes tight coupling because they rely strongly on each other. For example, if InputPanel's implementation were to change, or a return type, both UserInterface and InputPanel would have to change their methods accordingly. This makes the program hard to maintain and update.
  • Improves readability and makes a cleaner class diagram