java做的一个3D图形，可以任意旋转，只要你在它上按住鼠标左键，就可以绕着一点随便旋转了。-do a 3D graphics, arbitrary rotation, as long as you have it on the left mouse button is pressed, we can casually revolving around a point.

用java做的一个立体正方形！可以通过键盘或鼠标实现左右上下移动；放大或缩小: .doc 里面有运行通过的源码和截图～-done with a three-dimensional square! Through the keyboard or mouse up and down about achieving; To zoom in and out : . doc inside running through the source code and screenshots ~