高级java java 代码

高级javaimport java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; public class Client { public static void main (String args[]){ try{ Socket socket =new Socket("127.0.0.1",4703); BufferedReader sin=new BufferedReader(new InputStreamReader(System.in)); PrintWriter os =new PrintWriter(socket.getOutputStream()); String readline; readline =sin.readLine(); while(!readline.equals("bye")){