java开发的聊天室，有客户端和服务端，支持多人同时在线，支持表情，用户上下线提示等-the development of chat rooms java, there are client and server to support online multiplayer at the same time, support for expressions, user tips, etc. on the line

这是本人花了一个星期的时间做的一个简易的聊天工具，有服务端和客户端，实现的功能包括群聊，私聊，表情，传文件和更改字体颜色，里面有用户文档和演示的ppt，程序很精辟，适合学习使用-This is why I spent a week s time to do a simple chat tool, we had the service and client to achieve the features include group chat, private chat, expression, c