• Create a program with a Graphical User Interface (GUI) built using JavaFX and Scene Builder.
• The program can do anything you would like, subject to the following requirements:
  1. At least two of the GUI components should have event handlers that produce visible changes to the GUI.
  2. The GUI should have some persistent state that is modeled by a class of your own creation. The class should represent an abstraction of the underlying data representation.
  3. This class must have corresponding JUnit test cases that assess its functionality.
  4. The program should do something useful or interesting. It need not be complex, but it should be something that someone would conceivably want to use.
• Feel free to make use of the extensive online documentation of the Java standard libraries.

Grading

• Any project that meets the first three requirements will receive at least a B.
• To earn an A, the project must, in the instructor's judgement, exhibit some creativity and have some interesting features.