例11-4.txt

这是一本java基础教程 对新手上路有很大帮助

import java.net.*; 
public class Example11_4{
    public static void main(String args[]){
        try{  InetAddress address_1=InetAddress.getByName("www.sina.com.cn");
             System.out.println(address_1.toString()); 
             InetAddress address_2=InetAddress.getByName("166.111.222.3");
             System.out.println(address_2.toString());
        }
        catch(UnknownHostException e){
             System.out.println("无法找到www.sina.com.cn");
        } 
    }
}