Date : YearClass

public class YearClass {

    public static void main(String[] args) {
        Year y = Year.now();        System.out.println(y);
        Year y1 = Year.of(2017);        LocalDate l = y1.atDay(123);        System.out.println(l);
        Year year = Year.of(2017);        System.out.println(year.length());
        Year year1 = Year.of(2016);        System.out.println(year1.isLeap());    }
}