GetNetworkInterfaces.java

package org.jgroups.util;

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

/**
 * Lists all network interfaces on a system
 * @author Bela Ban Dec 18
 * @author 2003
 */
public class GetNetworkInterfaces {

    public static void main(String[] args) throws SocketException {
        Enumeration<NetworkInterface> en=NetworkInterface.getNetworkInterfaces();
        while(en.hasMoreElements()) {
            NetworkInterface i=en.nextElement();
            System.out.println(i.getName() + ':');
            System.out.println("  \t" + i.getDisplayName());
            for(Enumeration<InetAddress> en2=i.getInetAddresses(); en2.hasMoreElements();) {
                InetAddress addr=en2.nextElement();
                System.out.println("  \t" + addr + " (" + addr.getHostName() + ')');
            }
            System.out.println("---------------------");
        }
    }

}