java sendmessage

package cn.network.demo01;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.util.Scanner;

/*
 * 
 */
public class UDPSend
{
		
	
	
	public static void main(String[] args) throws IOException
	{
		
		Scanner sc = new Scanner(System.in);
		InetAddress address = InetAddress.getByName("127.0.0.1");
		DatagramSocket dSocket = new DatagramSocket();
		
		while(true)
		{
			String message = sc.nextLine();
			byte[] buf =message.getBytes();
			int length = buf.length;
			DatagramPacket dPacket = new DatagramPacket(buf, length, address, 6000);
			dSocket.send(dPacket);
		}		
		//dSocket.close();		
	}	
}