用Java Socket完成如下功能：建立客户端和服务器端通讯，服务器端地址为本地端口自拟。两端以TCP形式通讯，假设客户端Class叫Client，服务器端Class叫Server。当运行 java Client Hello时，服务器端能接受客户发来的Hello字符并打印”Receive Hello”然后返回给客户端“How r u doing”字符串 客户端收到后打印”Received How are you doing”. 此时服务器端服务始终运行并未停止并等待其他Socket连接（客户端运行一次可以停止），直到客户运行 java Client Bye时 服务器端收到”Bye”并打印”I don’t wanna die”后 服务器停止运行。-Java Socket complete with the following functions: the establishment of client and server communications, server-side address of the local port from be. TCP in the form of communication at both ends, assuming that the client Class called Client, server-side Class called Server. Java Client Hello When running, the server can accept Hello Guest sent characters and print the " Receive Hello"　and then go back to the client " How ru doing"　string after the client received print " Received How are you doing" . This When running server-side service is not always stop and wait for the other Socket connection (the client can stop a run), until the customer is running java Client Bye received at the server-side " Bye"　and print " I don' t wanna die"　after the server to stop run.