From 30e0c2f1bfd08d44e52f3a4baeda201f2b41e83e Mon Sep 17 00:00:00 2001
From: Don Brutzman <brutzman@nps.edu>
Date: Thu, 27 Aug 2020 21:43:41 -0700
Subject: [PATCH] cleanups, javadoc warnings

---
 .../dis7/examples/ClassNameComparator.java    |   4 +-
 .../nps/moves/dis7/examples/EspduSender.java  |   2 +-
 .../dis7/utilities/DisThreadedNetIF.java      |  49 ++++--
 .../nps/moves/dis7/utilities/PduFactory.java  | 160 +++++++++---------
 .../dis7/utilities/stream/X3dCoordinates.java |  12 +-
 test/edu/nps/moves/dis7/CommentPdusTest.java  |  37 ++--
 6 files changed, 144 insertions(+), 120 deletions(-)

diff --git a/src/edu/nps/moves/dis7/examples/ClassNameComparator.java b/src/edu/nps/moves/dis7/examples/ClassNameComparator.java
index f589721e17..187d0b60ab 100644
--- a/src/edu/nps/moves/dis7/examples/ClassNameComparator.java
+++ b/src/edu/nps/moves/dis7/examples/ClassNameComparator.java
@@ -25,8 +25,8 @@ public class ClassNameComparator implements Comparator<Pdu> {
      * Returns a number less than, equal to, or greater than zero,
      * depending on whether the object is lexically less than, equal to,
      * or greater than the other object.
-     * @param object1
-     * @param object2
+     * @param object1 first object to compare
+     * @param object2 second object to compare
      */
     @Override
     public int compare(Pdu object1, Pdu object2) {
diff --git a/src/edu/nps/moves/dis7/examples/EspduSender.java b/src/edu/nps/moves/dis7/examples/EspduSender.java
index 0a4033357e..232b938ccb 100644
--- a/src/edu/nps/moves/dis7/examples/EspduSender.java
+++ b/src/edu/nps/moves/dis7/examples/EspduSender.java
@@ -38,7 +38,7 @@ public class EspduSender
    * If in multicast mode, a join() will be done on the multicast address.
    * port: port used for both source and destination.
    *
-   * @param args
+   * @param args command-line arguments
    */
   public static void main(String args[])
   {
diff --git a/src/edu/nps/moves/dis7/utilities/DisThreadedNetIF.java b/src/edu/nps/moves/dis7/utilities/DisThreadedNetIF.java
index 24c9811b48..1c05cfee51 100644
--- a/src/edu/nps/moves/dis7/utilities/DisThreadedNetIF.java
+++ b/src/edu/nps/moves/dis7/utilities/DisThreadedNetIF.java
@@ -25,6 +25,9 @@ import java.util.logging.Logger;
  */
 public class DisThreadedNetIF
 {
+  private static final String messagePrefix = "[" + DisThreadedNetIF.class.getName() + "] ";
+  private             boolean verbose = true;
+  
   /** Pdu listener interface */
   public interface PduListener
   {
@@ -111,8 +114,8 @@ public class DisThreadedNetIF
   private final LinkedBlockingQueue<Pdu> pdus2send = new LinkedBlockingQueue<>();
 
   /**
-   * Add a listener to accept only pdus of a given typ
-   * @param lis instance of PduListener
+   * Add a listener to accept only pdus of a given type
+   * @param lis listener instance implementing the RawPduListener interface
    * @param typ Pdu type
    */
   public void addListener(PduListener lis, DISPDUType typ)
@@ -131,7 +134,7 @@ public class DisThreadedNetIF
   
   /**
    * Add a listener to accept all pdu types
-   * @param lis instance implementing the PduListener interface
+   * @param lis listener instance implementing the RawPduListener interface
    */
   public void addListener(PduListener lis)
   {
@@ -140,7 +143,7 @@ public class DisThreadedNetIF
 
   /**
    * Remove previously added listener
-   * @param lis instance implementing the PduListener interface
+   * @param lis listener instance implementing the RawPduListener interface
    */
   public void removeListener(PduListener lis)
   {
@@ -155,7 +158,7 @@ public class DisThreadedNetIF
   
   /**
    * Add a listener to accept pdus of all types in the form of a byte array
-   * @param lis instance implementing the RawPduListener interface
+   * @param lis listener instance implementing the RawPduListener interface
    */
   public void addRawListener(RawPduListener lis)
   {
@@ -164,7 +167,7 @@ public class DisThreadedNetIF
   
   /**
    * Remove previously added raw listener
-   * @param lis 
+   * @param lis listener instance implementing the RawPduListener interface
    */
   public void removeRawListener(RawPduListener lis)
   {
@@ -240,15 +243,16 @@ public class DisThreadedNetIF
                     if (pdu != null)
                     {
                         counter++; // TODO experimental, add to generator as a commented-out diagnostic; consider adding diagnostic mode
-                        System.err.println(counter + ". received " + pdu.getPduType().name());
+                        if (verbose)
+                            System.err.println(messagePrefix + counter + ". received " + pdu.getPduType().toString());
                         toListeners(pdu);
                     }
                     buffer.clear();
                 }
             } 
             catch (IOException ex) {
-                System.err.println("Exception in DisThreadedNetIF receive thread: " + ex.getLocalizedMessage());
-                System.err.println("Retrying new socket in 1 second");
+                System.err.println(messagePrefix + "Exception in DisThreadedNetIF receive thread: " + ex.getLocalizedMessage());
+                System.err.println(messagePrefix + "Retrying new socket in 1 second");
             } 
             finally {
                 if (socket != null && !socket.isClosed()) {
@@ -286,8 +290,10 @@ public class DisThreadedNetIF
 
                     baos.reset();
                 }
-            } catch (Exception ex) {
-                System.err.println("Exception in DisThreadedNetIF send thread: " + ex.getLocalizedMessage());
+            } 
+            catch (Exception ex)
+            {
+                System.err.println(messagePrefix + "Exception in DisThreadedNetIF send thread: " + ex.getLocalizedMessage());
             }
         }
         try {
@@ -354,8 +360,9 @@ public class DisThreadedNetIF
                     addresses = nif.getInetAddresses();
                     while (addresses.hasMoreElements()) {
                         addr = addresses.nextElement();
-                        if (addr instanceof Inet4Address && !addr.isLoopbackAddress() && !addr.isLinkLocalAddress()) {
-                            System.out.println("Using network interface " + nif.getDisplayName());
+                        if (addr instanceof Inet4Address && !addr.isLoopbackAddress() && !addr.isLinkLocalAddress()) 
+                        {
+                            System.out.println(messagePrefix + "Using network interface " + nif.getDisplayName());
                             return nif;
                         }
                     }
@@ -366,4 +373,20 @@ public class DisThreadedNetIF
         }
         return null;
     }
+
+    /**
+     * @return the verbose
+     */
+    public boolean isVerbose()
+    {
+        return verbose;
+    }
+
+    /**
+     * @param verbose the verbose to set
+     */
+    public void setVerbose(boolean verbose)
+    {
+        this.verbose = verbose;
+    }
 }
diff --git a/src/edu/nps/moves/dis7/utilities/PduFactory.java b/src/edu/nps/moves/dis7/utilities/PduFactory.java
index 106f2ae81f..3ffc017c4c 100644
--- a/src/edu/nps/moves/dis7/utilities/PduFactory.java
+++ b/src/edu/nps/moves/dis7/utilities/PduFactory.java
@@ -218,7 +218,7 @@ public class PduFactory
   /**
    * Create an Entity State PDU<br>
    * IEEE Std 1278.1-2012, 5.3.2
-   * @return the pdu
+   * @return the new pdu
    */
   public EntityStatePdu makeEntityStatePdu()
   {
@@ -241,7 +241,7 @@ public class PduFactory
   /**
    * Create a Fire PDU<br>
    * IEEE Std 1278.1-2012, 5.4.3
-   * @return the pdu
+   * @return the new pdu
    */  
   public FirePdu makeFirePdu()
   {
@@ -260,7 +260,7 @@ public class PduFactory
   /**
    * Create a Detonation PDU<br>
    * IEEE Std 1278.1-2012, 5.4.4
-   * @return the pdu
+   * @return the new pdu
    */  
   public DetonationPdu makeDetonationPdu()
   {
@@ -276,7 +276,7 @@ public class PduFactory
   /**
    * Create a Collision PDU<br>
    * IEEE Std 1278.1-2012, 5.3.3
-   * @return the pdu
+   * @return the new pdu
    */  
   public CollisionPdu makeCollisionPdu()
   {
@@ -295,7 +295,7 @@ public class PduFactory
   /**
    * Create a Service Request PDU<br>
    * IEEE Std 1278.1-2012, 5.5.5
-   * @return the pdu
+   * @return the new pdu
    */  
   public ServiceRequestPdu makeServiceRequestPdu()
   {
@@ -312,7 +312,7 @@ public class PduFactory
   /**
    * Create a Resupply Offer PDU<br>
    * IEEE Std 1278.1-2012, 5.5.6
-   * @return the pdu
+   * @return the new pdu
    */  
   public ResupplyOfferPdu makeResupplyOfferPdu()
   {
@@ -326,7 +326,7 @@ public class PduFactory
   /**
    * Create a Resupply Received PDU<br>
    * IEEE Std 1278.1-2012, 5.5.7
-   * @return the pdu
+   * @return the new pdu
    */  
   public ResupplyReceivedPdu makeResupplyReceivedPdu()
   {
@@ -340,7 +340,7 @@ public class PduFactory
   /**
    * Create a Resupply Cancel PDU<br>
    * IEEE Std 1278.1-2012, 5.5.8
-   * @return the pdu
+   * @return the new pdu
    */  
   public ResupplyCancelPdu makeResupplyCancelPdu()
   {
@@ -354,7 +354,7 @@ public class PduFactory
   /**
    * Create a Repair Complete PDU<br>
    * IEEE Std 1278.1-2012, 5.5.10
-   * @return the pdu
+   * @return the new pdu
    */  
   public RepairCompletePdu makeRepairCompletePdu()
   {
@@ -371,7 +371,7 @@ public class PduFactory
    /**
    * Create a Repair Response PDU<br>
    * IEEE Std 1278.1-2012, 5.5.11
-   * @return the pdu
+   * @return the new pdu
    */  
  public RepairResponsePdu makeRepairResponsePdu()
   {
@@ -388,7 +388,7 @@ public class PduFactory
   /**
    * Create a Create Entity PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.2
-   * @return the pdu
+   * @return the new pdu
    */  
   public CreateEntityPdu makeCreateEntityPdu()
   {
@@ -400,7 +400,7 @@ public class PduFactory
    /**
    * Create a Remove Entity PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.3
-   * @return the pdu
+   * @return the new pdu
    */  
  public RemoveEntityPdu makeRemoveEntityPdu()
   {
@@ -414,7 +414,7 @@ public class PduFactory
   /**
    * Create a Start Resume PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.4
-   * @return the pdu
+   * @return the new pdu
    */  
   public StartResumePdu makeStartResumePdu()
   {
@@ -426,7 +426,7 @@ public class PduFactory
   /**
    * Create a Stop Freeze PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.5
-   * @return the pdu
+   * @return the new pdu
    */  
   public StopFreezePdu makeStopFreezePdu()
   {
@@ -442,7 +442,7 @@ public class PduFactory
   /**
    * Create an Acknowledge PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.6
-   * @return the pdu
+   * @return the new pdu
    */  
   public AcknowledgePdu makeAcknowledgePdu()
   {
@@ -459,7 +459,7 @@ public class PduFactory
   /**
    * Create an Action Request PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.7
-   * @return the pdu
+   * @return the new pdu
    */  
   public ActionRequestPdu makeActionRequestPdu()
   {
@@ -473,7 +473,7 @@ public class PduFactory
   /**
    * Create an Action Response PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.8
-   * @return the pdu
+   * @return the new pdu
    */  
   public ActionResponsePdu makeActionResponsePdu()
   {
@@ -487,7 +487,7 @@ public class PduFactory
   /**
    * Create a Data Query PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.9
-   * @return the pdu
+   * @return the new pdu
    */  
   public DataQueryPdu makeDataQueryPdu()
   {
@@ -499,7 +499,7 @@ public class PduFactory
   /**
    * Create a Set DataPDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.10
-   * @return the pdu
+   * @return the new pdu
    */  
   public SetDataPdu makeSetDataPdu()
   {
@@ -511,7 +511,7 @@ public class PduFactory
   /**
    * Create a Data PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.11
-   * @return the pdu
+   * @return the new pdu
    */  
   public DataPdu makeDataPdu()
   {
@@ -523,7 +523,7 @@ public class PduFactory
   /**
    * Create an Event Report PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.12
-   * @return the pdu
+   * @return the new pdu
    */  
   public EventReportPdu makeEventReportPdu()
   {
@@ -537,7 +537,7 @@ public class PduFactory
   /**
    * Create a Comment PDU<br>
    * IEEE Std 1278.1-2012, 5.6.5.13
-   * @return the pdu
+   * @return the new pdu
    */  
   public CommentPdu makeCommentPdu()
   {
@@ -548,8 +548,8 @@ public class PduFactory
   
   /**
    * Create a Comment PDU containing the given String(s), variable record type = "OTHER"
-   * @param comments 
-   * @return the pdu
+   * @param comments of interest
+   * @return the new pdu
    */
   public CommentPdu makeCommentPdu(String ... comments)
   {
@@ -559,8 +559,8 @@ public class PduFactory
   /**
    * Create a Comment PDU containing the given String(s) and variable record type
    * @param typ VariableRecordType
-   * @param comments 
-   * @return the pdu
+   * @param comments of interest
+   * @return the new pdu
    */
   public CommentPdu makeCommentPdu(VariableRecordType typ, String... comments)
   {
@@ -579,7 +579,7 @@ public class PduFactory
   /**
    * Create a Electromagnetic Emission (EE) PDU<br>
    * IEEE Std 1278.1-2012, 5.7.3
-   * @return the pdu
+   * @return the new pdu
    */  
   public ElectromagneticEmissionPdu makeElectronicEmissionsPdu()
   {
@@ -595,7 +595,7 @@ public class PduFactory
   /**
    * Create a Designator PDU<br>
    * IEEE Std 1278.1-2012, 5.7.4
-   * @return the pdu
+   * @return the new pdu
    */
   public DesignatorPdu makeDesignatorPdu()
   {
@@ -616,7 +616,7 @@ public class PduFactory
   /**
    * Create a Transmitter PDU<br>
    * IEEE Std 1278.1-2012, 5.8.3
-   * @return the pdu
+   * @return the new pdu
    */
   public TransmitterPdu makeTransmitterPdu()
   {
@@ -638,7 +638,7 @@ public class PduFactory
   /**
    * Create a Signal PDU<br>
    * IEEE Std 1278.1-2012, 5.7.4
-   * @return the pdu
+   * @return the new pdu
    */
   public SignalPdu makeSignalPdu()
   {
@@ -653,7 +653,7 @@ public class PduFactory
   /**
    * Create a Receiver PDU<br>
    * IEEE Std 1278.1-2012, 5.8.5
-   * @return the pdu
+   * @return the new pdu
    */
   public ReceiverPdu makeReceiverPdu()
   {
@@ -669,7 +669,7 @@ public class PduFactory
   /**
    * Create a an Identification Friend or Foe (IFF) PDU<br>
    * IEEE Std 1278.1-2012, 5.7.6
-   * @return the pdu
+   * @return the new pdu
    */
   public IFFPdu makeIffPdu()
   {
@@ -688,7 +688,7 @@ public class PduFactory
   /**
    * Create a Designator PDU<br>
    * IEEE Std 1278.1-2012, 5.7.4
-   * @return the pdu
+   * @return the new pdu
    */
   public UnderwaterAcousticPdu makeUnderwaterAcousticPdu()
   {
@@ -705,7 +705,7 @@ public class PduFactory
   /**
    * Create a Supplemental Emission/Entity State (SEES) PDU<br>
    * IEEE Std 1278.1-2012, 5.7.7
-   * @return the pdu
+   * @return the new pdu
    */
   public SEESPdu makeSeesPdu()
   {
@@ -717,7 +717,7 @@ public class PduFactory
   /**
    * Create an Intercom Signal PDU<br>
    * IEEE Std 1278.1-2012, 5.8.6
-   * @return the pdu
+   * @return the new pdu
    */
   public IntercomSignalPdu makeIntercomSignalPdu()
   {
@@ -729,7 +729,7 @@ public class PduFactory
   /**
    * Create an Intercom Control PDU<br>
    * IEEE Std 1278.1-2012, 5.8.7
-   * @return the pdu
+   * @return the new pdu
    */
   public IntercomControlPdu makeIntercomControlPdu()
   {
@@ -746,7 +746,7 @@ public class PduFactory
   /**
    * Create a Designator PDU<br>
    * IEEE Std 1278.1-2012, 5.7.4
-   * @return the pdu
+   * @return the new pdu
    */
   public AggregateStatePdu makeAggregateStatePdu()
   {
@@ -764,7 +764,7 @@ public class PduFactory
   /**
    * Create an IsGroupOf PDU<br>
    * IEEE Std 1278.1-2012, 5.9.3
-   * @return the pdu
+   * @return the new pdu
    */
   public IsGroupOfPdu makeIsGroupOfPdu()
   {
@@ -779,7 +779,7 @@ public class PduFactory
   /**
    * Create a Transfer Ownership PDU<br>
    * IEEE Std 1278.1-2012, 5.9.4
-   * @return the pdu
+   * @return the new pdu
    */
   public TransferOwnershipPdu makeTransferOwnershipPdu()
   {
@@ -798,7 +798,7 @@ public class PduFactory
   /**
    * Create an IsPartOf PDU<br>
    * IEEE Std 1278.1-2012, 5.9.5
-   * @return the pdu
+   * @return the new pdu
    */
   public IsPartOfPdu makeIsPartOfPdu()
   {
@@ -817,7 +817,7 @@ public class PduFactory
   /**
    * Create a Minefield State PDU<br>
    * IEEE Std 1278.1-2012, 5.10.2
-   * @return the pdu
+   * @return the new pdu
    */
   public MinefieldStatePdu makeMinefieldStatePdu()
   {
@@ -837,7 +837,7 @@ public class PduFactory
   /**
    * Create a Minefield Query PDU<br>
    * IEEE Std 1278.1-2012, 5.10.3
-   * @return the pdu
+   * @return the new pdu
    */
   public MinefieldQueryPdu makeMinefieldQueryPdu()
   {
@@ -854,7 +854,7 @@ public class PduFactory
   /**
    * Create a Minefield Data PDU<br>
    * IEEE Std 1278.1-2012, 5.10.4
-   * @return the pdu
+   * @return the new pdu
    */
   public MinefieldDataPdu makeMinefieldDataPdu()
   {
@@ -874,7 +874,7 @@ public class PduFactory
   /**
    * Create a Minefield Response Negative Acknowledgment (NACK) PDU<br>
    * IEEE Std 1278.1-2012, 5.10.5
-   * @return the pdu
+   * @return the new pdu
    */
   public MinefieldResponseNACKPdu makeMinefieldResponseNackPdu()
   {
@@ -886,7 +886,7 @@ public class PduFactory
   /**
    * Create an Environmental Process PDU<br>
    * IEEE Std 1278.1-2012, 5.11.2.2
-   * @return the pdu
+   * @return the new pdu
    */
   public EnvironmentalProcessPdu makeEnvironmentalProcessPdu()
   {
@@ -903,7 +903,7 @@ public class PduFactory
   /**
    * Create a Gridded Data PDU<br>
    * IEEE Std 1278.1-2012, 5.11.2.3
-   * @return the pdu
+   * @return the new pdu
    */
   public GriddedDataPdu makeGriddedDataPdu()
   {
@@ -922,7 +922,7 @@ public class PduFactory
   /**
    * Create a Point Object State PDU<br>
    * IEEE Std 1278.1-2012, 5.11.3.2
-   * @return the pdu
+   * @return the new pdu
    */
   public PointObjectStatePdu makePointObjectStatePdu()
   {
@@ -943,7 +943,7 @@ public class PduFactory
   /**
    * Create a Linear Object State PDU<br>
    * IEEE Std 1278.1-2012, 5.11.3.3
-   * @return the pdu
+   * @return the new pdu
    */
   public LinearObjectStatePdu makeLinearObjectStatePdu()
   {
@@ -962,7 +962,7 @@ public class PduFactory
   /**
    * Create an Areal Object State PDU<br>
    * IEEE Std 1278.1-2012, 5.11.3.4
-   * @return the pdu
+   * @return the new pdu
    */
   public ArealObjectStatePdu makeArealObjectStatePdu()
   {
@@ -979,7 +979,7 @@ public class PduFactory
   /**
    * Create a Time Space Position Information (TSPI) PDU<br>
    * IEEE Std 1278.1-2012, 9.4.2
-   * @return the pdu
+   * @return the new pdu
    */
   public TSPIPdu makeTspiPdu()
   {
@@ -999,7 +999,7 @@ public class PduFactory
   /**
    * Create an Appearance PDU<br>
    * IEEE Std 1278.1-2012, 9.4.3
-   * @return the pdu
+   * @return the new pdu
    */
   public AppearancePdu makeAppearancePdu()
   {
@@ -1019,7 +1019,7 @@ public class PduFactory
   /**
    * Create an Articulated Parts PDU<br>
    * IEEE Std 1278.1-2012, 9.4.4
-   * @return the pdu
+   * @return the new pdu
    */
   public ArticulatedPartsPdu makeArticulatedPartsPdu()
   {
@@ -1032,7 +1032,7 @@ public class PduFactory
   /**
    * Create a Live Entity (LE) Fire PDU<br>
    * IEEE Std 1278.1-2012, 9.4.5
-   * @return the pdu
+   * @return the new pdu
    */
   public LEFirePdu makeLEFirePdu()
   {
@@ -1053,7 +1053,7 @@ public class PduFactory
   /**
    * Create a Live Entity (LE) Detonation PDU<br>
    * IEEE Std 1278.1-2012, 9.4.6
-   * @return the pdu
+   * @return the new pdu
    */
   public LEDetonationPdu makeLEDetonationPdu()
   {
@@ -1076,7 +1076,7 @@ public class PduFactory
   /**
    * Create a Create Entity-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.2
-   * @return the pdu
+   * @return the new pdu
    */
   public CreateEntityReliablePdu makeCreateEntityReliablePdu()
   {
@@ -1092,7 +1092,7 @@ public class PduFactory
   /**
    * Create a Remove Entity-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.3
-   * @return the pdu
+   * @return the new pdu
    */
   public RemoveEntityReliablePdu makeRemoveEntityReliablePdu()
   {
@@ -1106,7 +1106,7 @@ public class PduFactory
   /**
    * Create a Start/Resume-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.4
-   * @return the pdu
+   * @return the new pdu
    */
   public StartResumeReliablePdu makeStartResumeReliablePdu()
   {
@@ -1122,7 +1122,7 @@ public class PduFactory
   /**
    * Create a Stop/Freeze-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.5
-   * @return the pdu
+   * @return the new pdu
    */
   public StopFreezeReliablePdu makeStopFreezeReliablePdu()
   {
@@ -1139,7 +1139,7 @@ public class PduFactory
   /**
    * Create an Acknowledge-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.6
-   * @return the pdu
+   * @return the new pdu
    */
   public AcknowledgeReliablePdu makeAcknowledgeReliablePdu()
   {
@@ -1156,7 +1156,7 @@ public class PduFactory
   /**
    * Create an Action Request-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.7
-   * @return the pdu
+   * @return the new pdu
    */
   public ActionRequestReliablePdu makeActionRequestReliablePdu()
   {
@@ -1171,7 +1171,7 @@ public class PduFactory
   /**
    * Create an Action Response-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.8
-   * @return the pdu
+   * @return the new pdu
    */
   public ActionResponseReliablePdu makeActionResponseReliablePdu()
   {
@@ -1185,7 +1185,7 @@ public class PduFactory
   /**
    * Create a Data Query-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.9
-   * @return the pdu
+   * @return the new pdu
    */
   public DataQueryReliablePdu makeDataQueryReliablePdu()
   {
@@ -1201,7 +1201,7 @@ public class PduFactory
   /**
    * Create a Set Data-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.10
-   * @return the pdu
+   * @return the new pdu
    */
   public SetDataReliablePdu makeSetDataReliablePdu()
   {
@@ -1217,7 +1217,7 @@ public class PduFactory
   /**
    * Create a Data-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.11
-   * @return the pdu
+   * @return the new pdu
    */
   public DataReliablePdu makeDataReliablePdu()
   {
@@ -1233,7 +1233,7 @@ public class PduFactory
   /**
    * Create an Event Report-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.12
-   * @return the pdu
+   * @return the new pdu
    */
   public EventReportReliablePdu makeEventReportReliablePdu()
   {
@@ -1247,7 +1247,7 @@ public class PduFactory
   /**
    * Create a Comment-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.13
-   * @return the pdu
+   * @return the new pdu
    */
   public CommentReliablePdu makeCommentReliablePdu()
   {
@@ -1258,8 +1258,8 @@ public class PduFactory
 
   /**
    * Create a Comment-R PDU containing the given String(s), variable record type = "OTHER"
-   * @param comments 
-   * @return the pdu
+   * @param comments of interest
+   * @return the new pdu
    */
   public CommentReliablePdu makeCommentReliablePdu(String ... comments)
   {
@@ -1269,8 +1269,8 @@ public class PduFactory
   /**
    * Create a CommentR PDU containing the given String(s) and variable record type
    * @param typ VariableRecordType
-   * @param comments 
-   * @return the pdu
+   * @param comments of interest
+   * @return the new pdu
    */
   public CommentReliablePdu makeCommentReliablePdu(VariableRecordType typ, String... comments)
   {
@@ -1289,7 +1289,7 @@ public class PduFactory
   /**
    * Create a Record-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.16
-   * @return the pdu
+   * @return the new pdu
    */
   public RecordReliablePdu makeRecordReliablePdu()
   {
@@ -1304,7 +1304,7 @@ public class PduFactory
   /**
    * Create a Set Record-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.15
-   * @return the pdu
+   * @return the new pdu
    */
   public SetRecordReliablePdu makeSetRecordReliablePdu()
   {
@@ -1318,7 +1318,7 @@ public class PduFactory
   /**
    * Create a Record Query-R (Reliable) PDU<br>
    * IEEE Std 1278.1-2012, 5.12.4.14
-   * @return the pdu
+   * @return the new pdu
    */
   public RecordQueryReliablePdu makeRecordQueryReliablePdu()
   {
@@ -1333,7 +1333,7 @@ public class PduFactory
   /**
    * Create a Collision-Elastic PDU<br>
    * IEEE Std 1278.1-2012, 5.3.4
-   * @return the pdu
+   * @return the new pdu
    */
   public CollisionElasticPdu makeCollisionElasticPdu()
   {
@@ -1344,7 +1344,7 @@ public class PduFactory
   /**
    * Create a Entity State Update PDU<br>
    * IEEE Std 1278.1-2012, 5.3.5
-   * @return the pdu
+   * @return the new pdu
    */
   public EntityStateUpdatePdu makeEntityStateUpdatePdu()
   {
@@ -1361,7 +1361,7 @@ public class PduFactory
   /**
    * Create a Directed Energy (DE) Fire PDU<br>
    * IEEE Std 1278.1-2012, 5.4.5
-   * @return the pdu
+   * @return the new pdu
    */
   public DirectedEnergyFirePdu makeDirectedEnergyFirePdu()
   {
@@ -1380,7 +1380,7 @@ public class PduFactory
   /**
    * Create a Collision-Elastic PDU<br>
    * IEEE Std 1278.1-2012, 5.3.3
-   * @return the pdu
+   * @return the new pdu
    */
   public EntityDamageStatusPdu makeEntityDamageStatusPdu()
   {
@@ -1391,7 +1391,7 @@ public class PduFactory
   /**
    * Create an Information Operations (IO) Action PDU<br>
    * IEEE Std 1278.1-2012, 5.13.3
-   * @return the pdu
+   * @return the new pdu
    */
   public InformationOperationsActionPdu makeInformationOperationsActionPdu()
   {
@@ -1411,7 +1411,7 @@ public class PduFactory
   /**
    * Create an Information Operations (IO) Report PDU<br>
    * IEEE Std 1278.1-2012, 5.13.4
-   * @return the pdu
+   * @return the new pdu
    */
   public InformationOperationsReportPdu makeInformationOperationsReportPdu()
   {
@@ -1430,7 +1430,7 @@ public class PduFactory
   /**
    * Create an Attribute PDU<br>
    * IEEE Std 1278.1-2012, 5.3.6
-   * @return the pdu
+   * @return the new pdu
    */
   public AttributePdu makeAttributePdu()
   {
diff --git a/src/edu/nps/moves/dis7/utilities/stream/X3dCoordinates.java b/src/edu/nps/moves/dis7/utilities/stream/X3dCoordinates.java
index a0b814e602..9f64f1c298 100644
--- a/src/edu/nps/moves/dis7/utilities/stream/X3dCoordinates.java
+++ b/src/edu/nps/moves/dis7/utilities/stream/X3dCoordinates.java
@@ -22,12 +22,12 @@ public class X3dCoordinates {
 
     /**
      * 
-     * @param x
-     * @param y
-     * @param z
-     * @param phi
-     * @param psi
-     * @param theta 
+     * @param x coordinate
+     * @param y coordinate
+     * @param z coordinate
+     * @param phi orientation
+     * @param psi orientation
+     * @param theta orientation 
      */
     public X3dCoordinates(double x, double y, double z, double phi, double psi, double theta) {
         this.x= x;
diff --git a/test/edu/nps/moves/dis7/CommentPdusTest.java b/test/edu/nps/moves/dis7/CommentPdusTest.java
index c376e8155f..3f65371eef 100644
--- a/test/edu/nps/moves/dis7/CommentPdusTest.java
+++ b/test/edu/nps/moves/dis7/CommentPdusTest.java
@@ -13,9 +13,9 @@ import static org.junit.jupiter.api.Assertions.*;
 @DisplayName("Comment Pdus Test")
 public class CommentPdusTest
 {
-  DisThreadedNetIF netif;
-  Pdu receivedPdu;
-  DisThreadedNetIF.PduListener lis;
+  DisThreadedNetIF disThreadedNetworkInterface;
+  Pdu              receivedPdu;
+  DisThreadedNetIF.PduListener pduListener;
     
   @BeforeAll
   public static void setUpClass()
@@ -31,22 +31,22 @@ public class CommentPdusTest
   @BeforeEach
   public void setUp()
   {   
-      netif = new DisThreadedNetIF();
-      lis = new DisThreadedNetIF.PduListener() {
+      disThreadedNetworkInterface = new DisThreadedNetIF();
+      pduListener = new DisThreadedNetIF.PduListener() {
           @Override
-          public void incomingPdu(Pdu pdu) {
-              setUpReceiver(pdu);
+          public void incomingPdu(Pdu newPdu) {
+              setUpReceiver(newPdu);
           }
       };
-      netif.addListener(lis);
+      disThreadedNetworkInterface.addListener(pduListener);
   }
 
   @AfterEach
   public void tearDown()
   {
-      netif.removeListener(lis);
-      netif.kill();
-      netif = null;
+      disThreadedNetworkInterface.removeListener(pduListener);
+      disThreadedNetworkInterface.kill();
+      disThreadedNetworkInterface = null;
   }
 
   @Test
@@ -76,7 +76,7 @@ public class CommentPdusTest
   private void sendPdu(Pdu pdu)
   {
     try {
-      netif.send(pdu);
+      disThreadedNetworkInterface.send(pdu);
       Thread.sleep(100l);
     }
     catch (InterruptedException ex) {
@@ -90,16 +90,17 @@ public class CommentPdusTest
     return pdu1.equals(pdu2);
   }
   
-  private void setUpReceiver(Pdu pdu)
+  private void setUpReceiver(Pdu newPdu)
   {
-    receivedPdu = pdu;
+    receivedPdu = newPdu;
   }
 
   public static void main(String[] args)
   {
-    CommentPdusTest cpt = new CommentPdusTest();
-    cpt.setUp();
-    cpt.testRoundTrip();
-    cpt.tearDown();
+    CommentPdusTest commentPdusTest = new CommentPdusTest();
+    
+    commentPdusTest.setUp();
+    commentPdusTest.testRoundTrip();
+    commentPdusTest.tearDown();
   }
 }
-- 
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