获取域名和ip

package com.npnets.demo;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class InetAddressDemo {
    public static void main(String[] args) {
        try {
            InetAddress localIp = InetAddress.getLocalHost();
            InetAddress serviceIp = InetAddress.getByName("www.baidu.com");
            System.out.println(localIp);
            System.out.println(serviceIp);
        } catch (UnknownHostException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }


    }
}