JAVA语言开发的QQ聊天系统，可以添加，删除，好友，支持在线，离线发送消息，能发送文件，听音乐等功能-JAVA language development QQ chat system, you can add, delete, friends, support online, offline Send Message, can send files, listen to music and other functions

java的网络开发，简单的应用java中的Socket，ServerSocket 实现TCP/IP协议 和UDP协议-java web development, simple application java socket the ServerSocket to achieve the TCP/IP protocol and UDP protocols

北大青鸟Java高级特性超市管理系统，运用所有Java高级特性开发。-Beida Jade Bird the Java advanced features supermarket management system, the use of all the advanced features of Java development.

java的一个考试管理系统，让你在你学习中快速进入开发行业。-java a test management system that allows you quick access to your learning development industry.