import hirondelle.date4j.DateTime; public class DateExample { public static void main(String[] args) { DateTime date = DateTime.forDateOnly(2022, 1, 1); String formattedDate = date.format("YYYY-MM-DD"); System.out.println("Formatted date: " + formattedDate); DateTime nextDay = date.plusDays(1); System.out.println("Next day: " + nextDay); DateTime startDate = DateTime.forDateOnly(2022, 1, 1); DateTime endDate = DateTime.forDateOnly(2022, 1, 31); boolean isInRange = date.gteq(startDate) && date.lteq(endDate); System.out.println("Is in range: " + isInRange); } }