made key field final

dyoo · Feb 7, 2012 · c91b9ff · c91b9ff
1 parent 64bbd9a
commit c91b9ff
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/org/arabidopsis/interval/RbNode.java b/src/org/arabidopsis/interval/RbNode.java
@@ -3,7 +3,7 @@
 
 
 public class RbNode {
-    public int key;
+    public final int key;
     public boolean color;
     public RbNode parent;
     public RbNode left;
@@ -13,6 +13,7 @@ public class RbNode {
     public static boolean RED = true;
 
     private RbNode() {
+    	key = -1;
 	// Default constructor is only meant to be used for the
 	// construction of the NIL node.
     }