code: static boolean arraySame(Object[] array1, Object[] array2)
      {
          if (array1 == null || array2 == null || array1.length != array2.length) {
              throw new IllegalArgumentException("array1 and array2 cannot be null and should have same length");
          }
  
          for (int i = 0; i < array1.length; i++) {
              if (array1[i] != array2[i]) {
                  return false;
              }
          }
          return true;
      }
docs: Returns <tt>true</tt> if the two specified arrays contain the same object in every position.
  Unlike the {@link Arrays#equals(Object[], Object[])} method, this method compares using reference equals.