JAVA 网络编程（IP地址）

//仅作为学习笔记

import java.net.*;class IPDemo{public static void main(String []args) throws Exception{InetAddress i = InetAddress.getLocalHost();sop(i.toString());//获取主机名 及 本地IPsop("Address :"+i.getHostAddress());//获取本地IPsop("HostName:"+i.getHostName());//获取主机名//根据域名或IP 获取信息InetAddress ia = InetAddress.getByName("www.baidu.com");sop("+Address :"+ia.getHostAddress());sop("+Name :" + ia.getHostName());}public static void sop(Object obj){System.out.println(obj);}}