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

多人聊天客户端，用java实现多人聊天，密码管理，添加好友等功能。-Multiplayer chat client to achieve more than with java chat, password management, add friends and so on.