--- old/src/share/classes/java/util/Arrays.java	2009-10-23 11:07:24.000000000 -0700
+++ new/src/share/classes/java/util/Arrays.java	2009-10-23 11:07:23.000000000 -0700
@@ -3928,6 +3928,7 @@
      * @param a2 the other array to be tested for equality
      * @return <tt>true</tt> if the two arrays are equal
      * @see #equals(Object[],Object[])
+     * @see Objects#deepEquals(Object, Object)
      * @since 1.5
      */
     public static boolean deepEquals(Object[] a1, Object[] a2) {
@@ -3949,34 +3950,40 @@
                 return false;
 
             // Figure out whether the two elements are equal
-            boolean eq;
-            if (e1 instanceof Object[] && e2 instanceof Object[])
-                eq = deepEquals ((Object[]) e1, (Object[]) e2);
-            else if (e1 instanceof byte[] && e2 instanceof byte[])
-                eq = equals((byte[]) e1, (byte[]) e2);
-            else if (e1 instanceof short[] && e2 instanceof short[])
-                eq = equals((short[]) e1, (short[]) e2);
-            else if (e1 instanceof int[] && e2 instanceof int[])
-                eq = equals((int[]) e1, (int[]) e2);
-            else if (e1 instanceof long[] && e2 instanceof long[])
-                eq = equals((long[]) e1, (long[]) e2);
-            else if (e1 instanceof char[] && e2 instanceof char[])
-                eq = equals((char[]) e1, (char[]) e2);
-            else if (e1 instanceof float[] && e2 instanceof float[])
-                eq = equals((float[]) e1, (float[]) e2);
-            else if (e1 instanceof double[] && e2 instanceof double[])
-                eq = equals((double[]) e1, (double[]) e2);
-            else if (e1 instanceof boolean[] && e2 instanceof boolean[])
-                eq = equals((boolean[]) e1, (boolean[]) e2);
-            else
-                eq = e1.equals(e2);
-
+            boolean eq = deepEquals0(e1, e2);
+            
             if (!eq)
                 return false;
         }
         return true;
     }
 
+    static boolean deepEquals0(Object e1, Object e2) {
+        assert e1 != null;
+        boolean eq;
+        if (e1 instanceof Object[] && e2 instanceof Object[])
+            eq = deepEquals ((Object[]) e1, (Object[]) e2);
+        else if (e1 instanceof byte[] && e2 instanceof byte[])
+            eq = equals((byte[]) e1, (byte[]) e2);
+        else if (e1 instanceof short[] && e2 instanceof short[])
+            eq = equals((short[]) e1, (short[]) e2);
+        else if (e1 instanceof int[] && e2 instanceof int[])
+            eq = equals((int[]) e1, (int[]) e2);
+        else if (e1 instanceof long[] && e2 instanceof long[])
+            eq = equals((long[]) e1, (long[]) e2);
+        else if (e1 instanceof char[] && e2 instanceof char[])
+            eq = equals((char[]) e1, (char[]) e2);
+        else if (e1 instanceof float[] && e2 instanceof float[])
+            eq = equals((float[]) e1, (float[]) e2);
+        else if (e1 instanceof double[] && e2 instanceof double[])
+            eq = equals((double[]) e1, (double[]) e2);
+        else if (e1 instanceof boolean[] && e2 instanceof boolean[])
+            eq = equals((boolean[]) e1, (boolean[]) e2);
+        else
+            eq = e1.equals(e2);
+        return eq;
+    }
+
     /**
      * Returns a string representation of the contents of the specified array.
      * The string representation consists of a list of the array's elements,