写入用“插座”线程通信以建立要求的服务器和客户端具有发送和接收信息的功能的Java应用程序，由服务器发送到客户端的信息是“NII”没有，客户端接收该信息后，变更它为“东软信息科学”，然后发送到服务器。-Written to use　socket　thread communication to establish a Java application that requires the server and client have the function of sending and receiving information, the information sent by the server to the client is　NII　No, Client after receiving the information, change it to　Neusoft information Science , and then sent to the server.