import hirondelle.date4j.DateTime; public class DateDifferenceExample { public static void main(String[] args) { DateTime date1 = DateTime.today(); DateTime date2 = DateTime.forDateOnly(2022, 1, 1); int daysDifference = date2.numDaysFrom(date1); System.out.println("The difference between date1 and date2 is: " + daysDifference + " days"); } }