Get IP address from NetworkInterface in Java

//from  ww  w  .j av  a  2 s. c  o m
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;

public class Main {
  public static void main(String[] argv) throws Exception {
    Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces();
    while( ifaces.hasMoreElements() )
    {
      NetworkInterface iface = ifaces.nextElement();
      Enumeration<InetAddress> addresses = iface.getInetAddresses();

      while( addresses.hasMoreElements() )
      {
        InetAddress addr = addresses.nextElement();
        if( addr instanceof Inet4Address && !addr.isLoopbackAddress() )
        {
          System.out.println(addr);
        }
      }
    }

  }
}