Java tutorial
import java.time.LocalDate; import java.time.Month; import java.time.temporal.ChronoUnit; public class Main { public static void main(String[] args) { LocalDate startEmployment = LocalDate.of(2011, Month.FEBRUARY, 1); LocalDate today = LocalDate.now(); long numberOfDays = startEmployment.until(today, ChronoUnit.DAYS); System.out.println(String.format("%d", numberOfDays)); } }