UDP向给定主机发送文章数据报包。

//package com.nowjava;

import java.io.IOException;

import java.net.DatagramPacket;/**来自 时代Java公众号 - nowjava.com**/

import java.net.DatagramSocket;

import java.net.InetAddress;


public class Main {

    public static void main(String[] argv) throws Exception {

        String host = "nowjava.com";

        int port = 2;

        String article = "nowjava.com";

        send(host, port, article);

    }//from 时代Java - N o w  J a v a . c o m


    /**

     * Send article data gram packet to given host.

     *   

     * @param host

     * @param port

     * @param article

     * @throws IOException

     */

    public static void send(String host, int port, String article)

            throws IOException {


        DatagramSocket socket = new DatagramSocket();


        InetAddress addr = InetAddress.getByName(host);