code: public void addFalsePositive(List<Key> keys) {
      if (keys == null) {
        throw new NullPointerException("ArrayList<Key> can not be null");
      }
  
      for (Key k : keys) {
        addFalsePositive(k);
      }
    }
docs: Adds a list of false positive information to <i>this</i> retouched Bloom filter.
  @param keys The list of false positive.