获取某一天24小时整点

public class TestDate {
    public static void main(String[] args) {
        String timeDate = "2022-02-21 00:00:00";
        List<String> timeList = new ArrayList<>();
        Date date = DateUtils.StringToDate(timeDate, "yyyy-MM-dd HH:00:00");
        Calendar calendar = Calendar.getInstance();
        //获取当天24小时整点
        for (int i = 0; i < 24; i++) {
            calendar.setTime(date);
            calendar.add(Calendar.HOUR,i);
            Date time = calendar.getTime();
            timeList.add(DateUtils.parseDate(time));
        }

        System.out.println(timeList);
    }
}