private static void queryListDateTime(List<LocalDateTime> list) {

    long total = 0;
    long start = System.nanoTime();
    for (LocalDateTime dt : list) {
      total += dt.getYear();
      total += dt.getMonth().getValue();
      total += dt.getDayOfMonth();
      total += dt.getHour();
      total += dt.getMinute();
      total += dt.getSecond();
    }
    long end = System.nanoTime();
    System.out.println("LocalDT:   Query:  " + NF.format(end - start) + " ns" + " " + total);
    result("LocalDT-Q", end - start);
  }