NullsLast.java

public static void main(String[] args) {
    LocalDate now = LocalDate.now();
    List<LocalDate> isimList = Arrays.asList(now, null,  now.minusDays(2), now.plusDays(3), 
                                             now.minusMonths(2), null, now.plusYears(1), null);

    isimList.sort(Comparator.nullsLast(LocalDate::compareTo));

    isimList.stream().forEach(System.out::println);
}