Java网络InetAddress类

package com.leo;

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

public class InetAddressTest {
    public static void main(String[] args) throws UnknownHostException {
        InetAddress inet1 = InetAddress.getByName("127.0.0.1");
        System.out.println(inet1);

        InetAddress inet2 = InetAddress.getByName("www.baidu.com");
        System.out.println(inet2);

        // 获取本地ip
        InetAddress localHost = InetAddress.getLocalHost();
        System.out.println(localHost);

        // getHostName()
        String hostName = inet2.getHostName();
        System.out.println(hostName);
        // getHostAddress()
        String hostAddress = inet2.getHostAddress();
        System.out.println(hostAddress);
    }
}