Enumeration of NetworkInterface : NetworkInterface « Network « Java Tutorial

1. Java Tutorial
2. Network
3. NetworkInterface

import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Collections;
import java.util.Enumeration;

public class NetParms {
  public static void main(String[] args) throws SocketException {
    Enumeration<NetworkInterface> eni;
    eni = NetworkInterface.getNetworkInterfaces();
    for (NetworkInterface ni : Collections.list(eni)) {
      System.out.println("Name = " + ni.getName());
      System.out.println("Display Name = " + ni.getDisplayName());
      System.out.println("Loopback = " + ni.isLoopback());
      System.out.println("Up and running = " + ni.isUp());
      System.out.println("MTU = " + ni.getMTU());
      System.out.println("Supports multicast = " + ni.supportsMulticast());
      System.out.println("Sub-interfaces");
      Enumeration<NetworkInterface> eni2;
      eni2 = ni.getSubInterfaces();
      for (NetworkInterface ni2 : Collections.list(eni2))
        System.out.println("   " + ni2);
      System.out.println();
    }
  }
}