本练习制作拼图游戏，运行效果如图99-1所示。执行本实例后，用鼠标拖动选中的小图片进行拼接，可以拼成一幅完整的图片。本实例的知识点有：鼠标事件的监听，Graphics类和Image类的应用。-pieces of the jigsaw operation results as shown in Figure 99-1. The implementation of this example, using the mouse Drag the selected small mosaic images, makes up a complete picture. Examples of knowledge of the point : the mouse eavesdropping, Graphics and Image category type applications.