LocalDateTime、LocalDate、LocalTime

    LocalDate currentDate = LocalDate.now();
    LocalTime currentTime = LocalTime.now();
    LocalDateTime now = LocalDateTime.now();
    LocalDate nowDate = now.toLocalDate();
    LocalTime nowTime = now.toLocalTime();
    System.out.println(currentDate);
    System.out.println(currentTime);
    System.out.println(now);

    System.out.println(nowDate);
    System.out.println(nowTime);

    LocalDate date1 = LocalDate.of(2024, 11, 13);
    LocalTime time1 = LocalTime.of(10, 30);
    LocalDateTime dateTime1 = LocalDateTime.of(date1, time1);
    LocalDateTime dateTime2 = LocalDateTime.of(2024, 10, 14, 9, 11);
    System.out.println(date1);
    System.out.println(time1);
    System.out.println(dateTime1);
    System.out.println(dateTime2);

    LocalDateTime dateTime3 = LocalDateTime.parse("2025-11-13T10:30");
    LocalDate date2 = LocalDate.parse("2026-12-23");
    LocalTime time2 = LocalTime.parse("11:30:00");
    System.out.println(dateTime3);
    System.out.println(date2);
    System.out.println(time2);

    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");
    String dateTimeStr = formatter.format(LocalDateTime.now());
    System.out.println(dateTimeStr);

    LocalDateTime localDateTime3 = LocalDateTime.parse("2027/03/05 20:30:01",formatter);
    System.out.println(localDateTime3);
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