GET MAC Address and IP address

GET MAC adddress and IP address

package org.example;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;

/**
 * @project: ${MAC_IP}
 * @Date: ${2022}
 * @author: ${Urunov}
 **/
public class MacAndIP {
    public static void main(String[] args) throws SocketException, UnknownHostException {
//        System.out.println("Hello world!");

        Enumeration<NetworkInterface> networks = NetworkInterface.getNetworkInterfaces();
        NetworkInterface inter;
        System.out.println("MAC address: ");
        while (networks.hasMoreElements()) {
            inter = networks.nextElement();
            byte[] mac = inter.getHardwareAddress();
            if (mac != null) {
                for (int i = 0; i < mac.length; i++) {
                    System.out.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : "");
                }
                System.out.println("");
            }
        }

        System.out.println("IP address: ");
        Enumeration e = NetworkInterface.getNetworkInterfaces();
        while(e.hasMoreElements())
        {
            NetworkInterface n = (NetworkInterface) e.nextElement();
            Enumeration ee = n.getInetAddresses();
            while (ee.hasMoreElements())
            {
                InetAddress i = (InetAddress) ee.nextElement();
                System.out.println(i.getHostAddress());
            }


        }
        InetAddress IP=InetAddress.getLocalHost();
        System.out.println("IP of my system is := "+IP.getHostAddress());

        }
    }