Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewerTree.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewerTree.java	(revision 35526)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewerTree.java	(revision 35527)
@@ -28,8 +28,8 @@
     private static final long serialVersionUID = 3050203054402323972L;
 
-    private JMapViewer map;
-    private CheckBoxTree tree;
-    private JPanel treePanel;
-    private JSplitPane splitPane;
+    private final JMapViewer map;
+    private final CheckBoxTree tree;
+    private final JPanel treePanel;
+    private final JSplitPane splitPane;
 
     public JMapViewerTree(String name) {
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapMarkerCircle.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapMarkerCircle.java	(revision 35526)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapMarkerCircle.java	(revision 35527)
@@ -22,6 +22,6 @@
 
     private Coordinate coord;
-    private double radius;
-    private STYLE markerStyle;
+    private final double radius;
+    private final STYLE markerStyle;
 
     /**
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapPolygonImpl.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapPolygonImpl.java	(revision 35526)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapPolygonImpl.java	(revision 35527)
@@ -20,5 +20,5 @@
 public class MapPolygonImpl extends MapObjectImpl implements MapPolygon {
 
-    private List<? extends ICoordinate> points;
+    private final List<? extends ICoordinate> points;
 
     public MapPolygonImpl(ICoordinate... points) {
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapRectangleImpl.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapRectangleImpl.java	(revision 35526)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MapRectangleImpl.java	(revision 35527)
@@ -13,6 +13,6 @@
 public class MapRectangleImpl extends MapObjectImpl implements MapRectangle {
 
-    private Coordinate topLeft;
-    private Coordinate bottomRight;
+    private final Coordinate topLeft;
+    private final Coordinate bottomRight;
 
     public MapRectangleImpl(Coordinate topLeft, Coordinate bottomRight) {
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MemoryTileCache.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MemoryTileCache.java	(revision 35526)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/MemoryTileCache.java	(revision 35527)
@@ -125,5 +125,5 @@
      */
     protected static class CacheEntry {
-        private Tile tile;
+        private final Tile tile;
         private CacheEntry next;
         private CacheEntry prev;
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java	(revision 35526)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java	(revision 35527)
@@ -91,5 +91,5 @@
     private static class CachedCallable<V> implements Callable<V> {
         private V result;
-        private Callable<V> callable;
+        private final Callable<V> callable;
 
         /**
Index: /applications/viewer/jmapviewer/test/org/openstreetmap/gui/jmapviewer/tilesources/TemplatedTMSTileSourceTest.java
===================================================================
--- /applications/viewer/jmapviewer/test/org/openstreetmap/gui/jmapviewer/tilesources/TemplatedTMSTileSourceTest.java	(revision 35526)
+++ /applications/viewer/jmapviewer/test/org/openstreetmap/gui/jmapviewer/tilesources/TemplatedTMSTileSourceTest.java	(revision 35527)
@@ -34,5 +34,5 @@
      *  * expected tile url for zoom=3, x=2, y=1
      */
-    private Collection<String[]> TEST_DATA = Arrays.asList(new String[][] {
+    private final Collection<String[]> TEST_DATA = Arrays.asList(new String[][] {
         /*
          * generate with main method below once TMS_IMAGERIES is filled in