Java Language Tutorial => LocalTime

Example

To use just the time part of a Date use LocalTime. You can instantiate a LocalTime object in a couple ways

LocalTime time = LocalTime.now();
time = LocalTime.MIDNIGHT;
time = LocalTime.NOON;
time = LocalTime.of(12, 12, 45);

LocalTime also has a built in toString method that displays the format very nicely.

System.out.println(time);

you can also get, add and subtract hours, minutes, seconds, and nanoseconds from the LocalTime object i.e.

time.plusMinutes(1);
time.getMinutes();
time.minusMinutes(1);

You can turn it into a Date object with the following code:

LocalTime lTime = LocalTime.now();
Instant instant = lTime.atDate(LocalDate.of(A_YEAR, A_MONTH, A_DAY)).
        atZone(ZoneId.systemDefault()).toInstant();
Date time = Date.from(instant);

this class works very nicely within a timer class to simulate an alarm clock.

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Java Language

Java Language Date Class LocalTime

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