Java - get host name and IP address of local machine

// import java.net.InetAddress;

​

InetAddress address = InetAddress.getLocalHost();

String hostName = address.getHostName();

String hostAddress = address.getHostAddress();  // IPv4 or IPv6

import java.net.InetAddress;

​

public class Program {

    public static void main(String[] args) throws Exception {

        InetAddress address = InetAddress.getLocalHost();

        System.out.println("My host name is:  " + address.getHostName());

        System.out.println("My IP address is: " + address.getHostAddress());

    }

}

My host name is:  DESKTOP-U147DNR

My IP address is: 192.168.56.1

import java.net.InetAddress;

import java.net.NetworkInterface;

import java.util.Enumeration;

​

public class Program {

    public static void main(String[] args) throws Exception {

​

        printNetworkInterfaces(NetworkInterface.getNetworkInterfaces());

    }

​

    private static void printNetworkInterfaces(Enumeration<NetworkInterface> networkInterfaces) {

        while (networkInterfaces.hasMoreElements()) {

            NetworkInterface networkInterface = networkInterfaces.nextElement();

            System.out.println("Interface name: " + networkInterface.getName());

            printInetAddresses(networkInterface.getInetAddresses());

        }

    }

​

    private static void printInetAddresses(Enumeration<InetAddress> inetAddresses) {

        while (inetAddresses.hasMoreElements()) {

            InetAddress inetAddress = inetAddresses.nextElement();

            System.out.println("                " + inetAddress.getHostName() + "  " + inetAddress.getHostAddress());

        }

    }

}

Interface name: lo

                127.0.0.1  127.0.0.1

                0:0:0:0:0:0:0:1  0:0:0:0:0:0:0:1

Interface name: eth0

                DESKTOP-U147DNR  192.168.56.1

                DESKTOP-U147DNR  fe80:0:0:0:8c21:8c20:8ae8:fd66%eth0

Interface name: wlan0

                DESKTOP-U147DNR.home  192.168.1.113

                80fe:0:0:0:5522:2db2:7ea1:4c44%wlan0  80fe:0:0:0:5522:2db2:7ea1:4c44%wlan0