java通讯教程_java网络编程小白教程

package cn.net01;

import java.net.InetAddress;

import java.net.UnknownHostException;

import java.util.Arrays;

public class Test02 {

public static void main(String[] args) throws UnknownHostException {

// 通过IP地址构建InetAddress对象

byte[] ip &＃61; new byte[] {(byte) 192,(byte) 168,7,(byte)189};

InetAddress ip1 &＃61; InetAddress.getByAddress(ip);

System.out.println(ip1.toString());

System.out.println(ip1.getHostName());

System.out.println(ip1.getHostAddress());

// 给定名称www.baidu.com获取地址

InetAddress ip3 &＃61; InetAddress.getByName("www.baidu.com");

System.out.println(ip3.toString());

InetAddress[] ips &＃61; InetAddress.getAllByName("www.baidu.com");

System.out.println(Arrays.toString(ips));

}

}