构建Jave聊天服务器，来自IBM的资料。-Building a Java chat server

Jave的struts做的注册登录系统,还有附带的mysql数据库，喜欢的可以自己下载看看，新手！-Jave the struts do registration login system, as well as with the mysql database, like you can download their own look, and newcomers!

vissim二次开发相关文档说明，能够使用C++、jave、VB等。