Removing ArrayUtils.hashCode per LANG-492; it is now available as java.util.Arrays.hashCode

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@881685 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/lang/ArrayUtils.java

@@ -180,18 +180,6 @@ public class ArrayUtils {
         return new ToStringBuilder(array, ToStringStyle.SIMPLE_STYLE).append(array).toString();
     }
 
-    /**
-     * <p>Get a hashCode for an array handling multi-dimensional arrays correctly.</p>
-     *
-     * <p>Multi-dimensional primitive arrays are also handled correctly by this method.</p>
-     *
-     * @param array  the array to get a hashCode for, may be <code>null</code>
-     * @return a hashCode for the array, zero if null array input
-     */
-    public static int hashCode(Object array) {
-        return new HashCodeBuilder().append(array).toHashCode();
-    }
-
     /**
      * <p>Compares two arrays, using equals(), handling multi-dimensional arrays
      * correctly.</p>

src/test/org/apache/commons/lang/ArrayUtilsTest.java

@@ -92,19 +92,6 @@ public class ArrayUtilsTest extends TestCase {
         assertEquals("{pink,blue}", ArrayUtils.toString(new String[] {"pink","blue"}, "<empty>"));
     }
 
-    //-----------------------------------------------------------------------
-    public void testHashCode() {
-        long[][] array1 = new long[][] {{2,5}, {4,5}};
-        long[][] array2 = new long[][] {{2,5}, {4,6}};
-        assertEquals(true, ArrayUtils.hashCode(array1) == ArrayUtils.hashCode(array1));
-        assertEquals(false, ArrayUtils.hashCode(array1) == ArrayUtils.hashCode(array2));
-        
-        Object[] array3 = new Object[] {new String(new char[] {'A', 'B'})};
-        Object[] array4 = new Object[] {"AB"};
-        assertEquals(true, ArrayUtils.hashCode(array3) == ArrayUtils.hashCode(array3));
-        assertEquals(true, ArrayUtils.hashCode(array3) == ArrayUtils.hashCode(array4));
-    }
-
     //-----------------------------------------------------------------------
     private void assertIsEquals(Object array1, Object array2, Object array3) {
         assertEquals(true, ArrayUtils.isEquals(array1, array1));