package fr.yunes; import java.time.DayOfWeek; import java.time.LocalDate; import java.time.temporal.TemporalAdjuster; import java.time.temporal.TemporalAdjusters; public class Date6 { public static void main(String []args) { LocalDate firstDayOf2019 = LocalDate.ofYearDay(2019,1); System.out.println(firstDayOf2019); System.out.println("Le premier jour de l'année 2019 était un "+firstDayOf2019.getDayOfWeek()); LocalDate firstFridayOf2019 = firstDayOf2019.with(TemporalAdjusters.nextOrSame(DayOfWeek.FRIDAY)); System.out.println("Le premier vendredi de 2019 était le "+firstFridayOf2019); } }