聊天软件项目UDP升级版

import java.net.*;
import java.io.*;
class  UdpSend2
{
    public static void main(String[] args) throws Exception
    {
        DatagramSocket ds = new DatagramSocket();
        BufferedReader bufr = new BufferedReader(new InputStreamReader(System.in));
        String line = null;
        while((line=bufr.readLine())!=null)
        {
            if("886".equals(line))
                break;
            byte[] buf = line.getBytes();
            DatagramPacket dp = 
        new DatagramPacket(buf,buf.length,InetAddress.getByName("192.168.1.255"),10001);
            ds.send(dp);
        }
        ds.close();
    }
}
class  UdpRece2
{
    public static void main(String[] args) throws Exception
    {
        DatagramSocket ds = new DatagramSocket(10001);
        while(true)
        {
            byte[] buf = new byte[1024];
            DatagramPacket dp = new DatagramPacket(buf,buf.length);
            ds.receive(dp);
            String ip = dp.getAddress().getHostAddress();
            String data = new String(dp.getData(),0,dp.getLength());
            System.out.println(ip+"::"+data);
        }
    }
}