TCP即时聊天程序实现

客户端

package Net.TCP.Demo6;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

class Client extends Thread{
    Scanner sc=new Scanner(System.in);
    @Override
    public void run() {
        while (true){
            try (
                    Socket s = new Socket("127.0.0.1", 4443)) {
                String s1 = sc.next();
                OutputStream os = s.getOutputStream();

                os.write(s1.getBytes());
                //                os.flush();
                os.close();
               s.close();
            } catch (UnknownHostException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

-----------------------
服务端
-------------------

public class Serve {
    public static void main(String[] args) throws IOException {
        ServerSocket ss=new ServerSocket(4444);
        while (true){
            Socket s = ss.accept();
            new Client().start();
            InputStreamReader is = new InputStreamReader(s.getInputStream());
            int i;
            while ((i=is.read())!=-1){
                System.out.println((char)i);
            }
            System.out.println();
            s.close();
        }
    }
}