inetAddress

package inet;

import java.awt.*;
import java.net.InetAddress;
import java.net.UnknownHostException;

//测试ip
public class TestInetAddress {
    public static void main(String[] args) {

        try {
            //查询本机地址
            InetAddress inetAddress1=InetAddress.getByName("127.0.0.1");
            System.out.println(inetAddress1);
            InetAddress inetAddress3=InetAddress.getByName("localhost");
            System.out.println(inetAddress3);
            InetAddress inetAddress4=InetAddress.getLocalHost();
            System.out.println(inetAddress4);

            //查询网站IP地址
            InetAddress inetAddress2=InetAddress.getByName("www.baidu.com");
            System.out.println(inetAddress2);

            //常用方法
            System.out.println(inetAddress2.getAddress());
            System.out.println(inetAddress2.getCanonicalHostName());//规范的名字
            System.out.println(inetAddress2.getHostAddress());//ip
            System.out.println(inetAddress2.getHostName());//域名，或者自己电脑的名字

        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
    }
}