今天学了面向网络：  package com.itheima_01;

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

/*
* InetAddress:此类表示互联网协议 (IP) 地址。
*
*/
public class InetAddressDemo {
        public static void main(String[] args) throws UnknownHostException   {
                //static InetAddress getByName(String host)
                 //InetAddress address = InetAddress.getByName("itheima");
                InetAddress address = InetAddress.getByName("192.168.1.107");//ip地址是唯一的
       
                //System.out.println(address);//itheima/192.168.1.107 ipconfig
               
                String hostAddress = address.getHostAddress();//192.168.1.107 返回IP地址
                String hostName = address.getHostName();//itheima        返回主机名
               
                System.out.println(hostAddress);
                System.out.println(hostName);

继续努力

加油，加油，加油！

一定要坚持哟~~~加油