Introduction - If you have any usage issues, please Google them yourself
Design and Implementation of a small drawing board software system, has a convenient graphical user interface, including the title bar, menu bar, toolbar,
Menu bar, menu and menu items, shortcuts, edit, open, save, and a variety of drawing functions (functional requirements through
Run bytecode file to determine the main class is MiniDrawPad). Completion of the class design, debugging and running, given the representative
The program output results.