Ejemplos horas

LocalTime now = LocalTime.now();

		LocalTime miHora = LocalTime.of(10, 30);

		LocalTime otraHora = LocalTime.parse("10:34");
		System.out.println(now);
		System.out.println(miHora);
		System.out.println(otraHora);

		// Obtener información de las horas

		System.out.println(now.getHour());
		System.out.println(now.getMinute());
		System.out.println(now.getSecond());
		System.out.println(now.getNano());

		// Formatear horas

		System.out.println(now.format(DateTimeFormatter.ofPattern("HH:mm:ss")));

		// Modificar horas

		now = now.plusHours(1);
		now = now.plusMinutes(2);
		now = now.plusSeconds(40);
		now = now.plus(1, ChronoUnit.MINUTES);
		System.out.println(now);