java基础案例9-1模拟微信

最新推荐文章于 2024-04-28 21:08:07 发布

qq_47661416

最新推荐文章于 2024-04-28 21:08:07 发布

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分类专栏： java黑马基础案例文章标签： java

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package com.itheima;

import java.util.Scanner;
import java.io.*;
import java.net.*;

//接收
class Receive extends Thread{
    public void run(){
        try{
            byte[] buf = new byte[1024];
            DatagramSocket  ds = new DatagramSocket(6666);//对应着对面的端口
            DatagramPacket dp = new DatagramPacket(buf,buf.length);
            while(true) {
                ds.receive(dp);
                String st = new String(dp.getAddress().getHostAddress());
                String str = new String(dp.getData(), 0, dp.getLength());
                System.out.println(st + ": " + str);
                if ("再见".equals(str))
                    break;
            }
        }catch(IOException e)
        {
            e.printStackTrace();
        }
    }
}

//发送
class Send extends Thread{
    public void run(){
       try {
           DatagramSocket socket = new DatagramSocket();
           Scanner sc = n