src/share/classes/java/util/Arrays.java

@@ -3926,10 +3926,11 @@
      *
      * @param a1 one array to be tested for equality
      * @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) {
         if (a1 == a2)
             return true;

@@ -3947,10 +3948,20 @@
                 continue;
             if (e1 == null)
                 return false;
 
             // Figure out whether the two elements are equal
+            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);

@@ -3968,15 +3979,11 @@
                 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);
-
-            if (!eq)
-                return false;
-        }
-        return true;
+        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,