report number of different PDU types created

examples/src/DisExamples/PduSender.java

@@ -151,6 +151,8 @@ public class PduSender
             // Sort the created PDUs by class name, if desired
 //            Collections.sort(generatedPdusList, new ClassNameComparator());
 
+            System.out.println("Send the " + generatedPdusList.size() + " PDUs we created...");
+
             // Send the PDUs we created
             InetAddress localMulticastAddress = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
             MulticastSocket socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);