Java 获取指定主机的IP地址

package com.company;

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

/*
以下实例演示了如何使用 InetAddress 类的 InetAddress.getByName() 方法来获取指定主机（网址）的IP地址：

*/
public class IpTest {
    public static void main(String[] args) {
        InetAddress address = null;
        try {
            address = InetAddress.getByName("www.runoob.com");
        } catch (UnknownHostException e) {
            System.exit(2);
        }
        System.out.println(address.getHostName() + " #### " + address.getHostAddress());
    }
}