| Source File | Description |
| EmptyFrame.java | Starting point example of how to display a top-level window. In our case, as in the majority of Swing applications, this is a javax.swing.JFrame |
| SimpleDerivedFrame.java | Builds on SimpleFrame, this example demonstrates how to extend the JFrame class to store local variables/references. |
| Class Versions | Versions of the above files, as we modified them during in-class discussion |