用java完成一个类似QQ的简易聊天室，执行时先运行服务端，再运行客户端，注册一个IP地址和端口号-Use Java completed a similar QQ chat room, execution and simple operation server first, and then run the client, the registered an IP address and port,

java 源代码 实现模仿QQ、聊天室 基于TCP\IP 设计及说明-java source code to imitate QQ, chat rooms based on TCP \ IP design and descr iption