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")){
