2

run:
Display name: em1
Name: em1
InetAddress: /192.168.1.103

Display name: lo
Name: lo
InetAddress: /127.0.0.1

BUILD SUCCESSFUL (total time: 0 seconds)

Test11.java

package test;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFrame; 

public class Test11 { 
        public static void main(String args[]) throws SocketException {
            Enumeration nets = NetworkInterface.getNetworkInterfaces();
            for (Iterator it = Collections.list(nets).iterator(); it.hasNext();) {
                NetworkInterface netint = (NetworkInterface) it.next();
                displayInterfaceInformation(netint);
            }
        }

        static void displayInterfaceInformation(NetworkInterface netint) throws SocketException {
            System.out.printf("Display name: %s\n", netint.getDisplayName());
            System.out.printf("Name: %s\n", netint.getName());
            Enumeration inetAddresses = netint.getInetAddresses();
            for (Iterator it = Collections.list(inetAddresses).iterator(); it.hasNext();) {
                InetAddress inetAddress = (InetAddress) it.next();
                System.out.printf("InetAddress: %s\n", inetAddress);
            }
            System.out.printf("\n");
         }
} 

Thanks