I think your best bet is InetAddress.getAllByName(), since it returns
an array. However, I don't know what parameter you'd have to pass it.

--Mike Amling

I am doing that in a class via different methodes which loops on themselves
using the methods:

InetAddress[] ips         = InetAddress.getAllByName(hostname);
then
loop on ip = ips[idx].getHostAddress();
etc...

I then also added this interesting method which will try first to use some
nice methods introduced in the 1.4 jdk via introspection, should this jdk be
used...

/**
 * Try to find all the network interfaces on the computer, and register all
the hostnames and
 * IPs associated with them.<BR>Note: This is done by loading a specific
class from the jdk
 * 1.4 if this jdk is present.
 *
 * @return DOCUMENT ME!
 */
private static boolean startSearchForInterfaces()
{

 try
 {

  Class  classDefinition = Class.forName("java.net.NetworkInterface");
  Method getIfcs = classDefinition.getMethod("getNetworkInterfaces", null);
  Method getIAdd = classDefinition.getMethod("getInetAddresses", null);

  for (Enumeration eNetInt = (Enumeration)getIfcs.invoke(null, null);
    eNetInt.hasMoreElements();)
  {

   Object netInt = eNetInt.nextElement();

   for (Enumeration eInetAdd = (Enumeration)getIAdd.invoke(netInt, null);
     eInetAdd.hasMoreElements();)
   {

    InetAddress inetAdd = (InetAddress)eInetAdd.nextElement();

    if (inetAdd != null)
    {
     //here to whateve you want with the inetAdd object:
     //inetAdd.getHostName()    ==> hostname
     //inetAdd.getHostAddress() ==> IP
    }
   }
  }

 }
 catch (Exception e)
 {

  return false;
 }
}

Have fun...
Farid.