小型绘图板软件系统，要求具有方便的图形用户界面，包括标题栏、菜单栏、工具栏，菜单栏有相关的菜单和菜单项，有快捷键，具有编辑、打开、保存和各种绘图功能（详细功能要求通过运行提供的字节码文件来确定，主类是MiniDrawPad）。-Small drawing board software system, requires a convenient graphical user interface, including the title bar, menu bar, toolbar, menu bar with menus and menu items associated with shortcut keys, with editing, open, save, and various graphics functions ( Detailed functional requirements provided by running bytecode file to determine the main class is MiniDrawPad).