Получите последнюю пятницу месяца на Java
LocalDate now = LocalDate.now();
LocalDate lastFriday = now.with(TemporalAdjusters.lastInMonth(DayOfWeek.FRIDAY));
vmxes
LocalDate now = LocalDate.now();
LocalDate lastFriday = now.with(TemporalAdjusters.lastInMonth(DayOfWeek.FRIDAY));