java编写的有趣的小程序，点击按钮可以显示2d的动画。可以直接用jdk打开jar文件来运行程序。-Interestingly, the preparation of java applet, click the button can be displayed 2d animation. Can be used directly jdk to open the jar file to run the program.

基于DirectX_3D技术车辆控制演示小程序。Picture1框中的图像是可以360度旋转的。可以通过命令按钮，自由控制车灯的开关，左右车门的开关，以及车轮向左、车轮向右、车辆前进功能。-Based on vehicle control DirectX_3D technology demonstration applet. The image in Picture1 box can rotate 360 degrees. Can through the command button, the