压缩包内含有几个java应用小程序，比如模拟心电图的程序，模拟坦克大战和金山词霸的程序，以及一个java applet的ppt，希望大家能够通过对源代码的阅读，对java有更好的认识。-Archive contains some java applets, such as simulated ECG program to simulate the procedures and Kingsoft Battle City, and a java applet in the ppt, hope that we can read through the source code, a better understanding of java .