TCP聊天系统，实现局域网的信息交流，实现局域网的文件传输,信息交流，聊天。-TCP chat system, the exchange of information in LAN, LAN to achieve file transfer, information exchange, chat.

qq聊天系统 java 很 给力的文件 是仿照QQ界面但没有QQ功能-qq chat system is to force the file java

一个java开发的即时通信系统，实现qq的基本功能，包括好友，文件传输等功能完整代码.-An instant messaging system for java development, qq, including the complete code of the Friends, file transfer and other functions.