我们构建了一个在线聊天系统，它集合了Java互联、多线程和SwingGUI特征，并且还用到了组播技术，它使一个应用程序能够把DatagramPacket发给一组客户。-We have built an online chat system, which brings together Java Internet, multi-threaded and SwingGUI characteristics, and also use the multicast technology, it allow

分布式计算中的组播聊天室 主要应用socket技术-Distributed computing in the main application of multicast socket technology chat room