该程序用java实现，它的功能是让客户端和服务器端自由通信，方便快捷，实现多人聊天-This program was described by java.It has the ability to help you to chat with your friends from anywhere in the world.

java 一个简单的基于udp协议的p2p聊天软件，内部没有服务器。-java based on a simple udp protocol the p2p chat software, internal server.