Java中的InetAddress类，这样为什么不对？

Question

package com.task30;import java.net.*;public class getAddressIP { public static void main(String[] args) { try{    address=InetAddress.getByName("www.163.com"); System.out.println(address.toString()); String domain_name=address.getHostName(); System.out.println("域名为："+domain_name); String IP_name=address.getHostAddress(); System.out.println("IP为："+IP_name); }catch(UnknownHostException e){ System.out.println("无法找到WWW.163.COM"); } }}

Answer 1

并没有错