Roll over the month of dates using LocalDate in Java?

Question

I am designing a booking system in java that only has to handle dates for the year 2015 and using the LocalDate class, a booking consists of a start date and a duration e.g.

Answer 1

Assuming you're using Java 8, why not use LocalDate#plusDays?

LocalDate startDate = LocalDate.of(2015, 5, 26);
LocalDate endDate = startDate.plusDays(7);

System.out.println(endDate);

Which outputs 2015-06-02