}

    private boolean verifyIndex(int i) {
      if ((getLeftChildIndex(i) < size) && (compareElements(i, getLeftChildIndex(i)) > 0)) {
        return false;
      }
      if ((getRightChildIndex(i) < size) && (compareElements(i, getRightChildIndex(i)) > 0)) {
        return false;
      }
      if ((i > 0) && (compareElements(i, getParentIndex(i)) > 0)) {
        return false;
      }