diff --git a/examples/src/UdpMulticastExamples/UdpReceiver.java b/examples/src/UdpMulticastExamples/UdpReceiver.java
index 80f49b7138f43efd85601d8df1326f654e4753d0..3b5714c07a61238a68fec761e40358834b3da008 100644
--- a/examples/src/UdpMulticastExamples/UdpReceiver.java
+++ b/examples/src/UdpMulticastExamples/UdpReceiver.java
@@ -19,7 +19,9 @@ import java.net.*;
 public class UdpReceiver 
 {
 //  public static final int        SENDING_PORT = 1414;        // port used by UdpSender, unneeded here
+    /** socket value of shared interest */
     public static final int      RECEIVING_PORT = 1415;        // sharable
+    /** socket value of shared interest */
     public static final String DESTINATION_HOST = "localhost";
 
     /**
diff --git a/examples/src/UdpMulticastExamples/UdpSender.java b/examples/src/UdpMulticastExamples/UdpSender.java
index 95f87fd4765e885bbed384f652dbb9b5e5c49137..1d0eb51bceb5785ce72f271ef143fedcda750564 100644
--- a/examples/src/UdpMulticastExamples/UdpSender.java
+++ b/examples/src/UdpMulticastExamples/UdpSender.java
@@ -19,12 +19,14 @@ import java.net.*;
  */
 public class UdpSender 
 {
-    public static final String            MY_NAME = System.getProperty("user.name"); // guru incantation   8)
-//  public static final int          SENDING_PORT = 1414; // not needed, can let system choose an open local port
-    public static final int        RECEIVING_PORT = UdpReceiver.RECEIVING_PORT; // 1415; ensure consistent
-    public static final int TOTAL_PACKETS_TO_SEND = 100;
+    private static final String            MY_NAME = System.getProperty("user.name"); // guru incantation   8)
+//  public  static final int          SENDING_PORT = 1414; // not needed, can let system choose an open local port
+    /** socket value of shared interest */
+    public  static final int        RECEIVING_PORT = UdpReceiver.RECEIVING_PORT; // 1415; ensure consistent
+    private static final int TOTAL_PACKETS_TO_SEND = 100;
     
-    public static final String   DESTINATION_HOST = "localhost"; 
+    /** socket value of shared interest */
+    public static  final String   DESTINATION_HOST = "localhost"; 
     // here is what we need for lab comms
 //  public static final String   DESTINATION_HOST = "10.1.105.16"; // localhost 127.0.0.1 or argon 10.1.105.1 or 10.1.105.1 or whatever