通过TCP和UDP实现客户端及服务器的通信。消息类型是通过字符串来实现的；用该类似的字符串来标识消息的类型。对JAVA的SOCKET网络编程比较感兴趣的，该程序起到了不少帮助，可以加深对SOCKET编程的理解。-Implementation through the TCP and UDP client and server communication. The type of message is achieved through the string　with the similar string to identify the type of message. SOCKET network on the JAVA programming the comparison of interest, the program has played a lot of help, you can deepen their understanding of programming SOCKET.