rename for clarity

projects/Assignments/homework3/OpenDisEspduSender.java

@@ -227,23 +227,23 @@ public static void main(String args[])
             DataOutputStream dos = new DataOutputStream(baos);
             espdu.marshal(dos);
 
-            FirePdu fire = new FirePdu();
-            byte[] fireArray = fire.marshal();
+            FirePdu firePdu = new FirePdu();
+            byte[] fireArray = firePdu.marshal();
             
             // The byte array here is the packet in DIS format. We put that into a 
             // datagram and send it.
             byte[] data = baos.toByteArray();
 
             broadcastAddresses = getBroadcastAddresses();
-            Iterator it = broadcastAddresses.iterator();
-            while(it.hasNext())
+            Iterator iteratorBroadcastAddresses = broadcastAddresses.iterator();
+            while(iteratorBroadcastAddresses.hasNext())
             {
-               InetAddress broadcast = (InetAddress)it.next();
-               System.out.println("Sending broadcast datagram packet to " + broadcast);
-               DatagramPacket packet = new DatagramPacket(data, data.length, broadcast, 3000);
+               InetAddress broadcastAddress = (InetAddress)iteratorBroadcastAddresses.next();
+               System.out.println("Sending broadcast datagram packet to " + broadcastAddress);
+               DatagramPacket packet = new DatagramPacket(data, data.length, broadcastAddress, 3000);
                socket.send(packet);
 			   // TODO experiment with these!  8)
-               packet = new DatagramPacket(fireArray, fireArray.length, broadcast, 3000); // alternate
+               packet = new DatagramPacket(fireArray, fireArray.length, broadcastAddress, 3000); // alternate
                socket.send(packet);
             }
             
@@ -299,7 +299,7 @@ public static void main(String args[])
                    {
                        InterfaceAddress anAddress = (InterfaceAddress)it.next();
                        if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
-                           continue;
+                           continue; // skip to next iterator value
                        
                        //System.out.println("Getting broadcast address for " + anAddress);
                        InetAddress broadcastAddress = anAddress.getBroadcast();