这个是一个由客户端和服务端程序的UDP通信的Java应用程序，使用时，可以在本机上，也可以在局域网两台机子上，只要把源代码中对应的hostname值由127.0.0.1改为对应的IP地址即可，是个很不错的例子，-This is a client and server UDP communications program Java applications, when used in this machine can also be two machine on the LAN, as long as the source code of the corresponding hostname value be changed from 127.0.0.1 the corresponding IP address is a very good example of