Date consists of month, day, and year. Often, we represent each of these items as integers. For instance, July 4, 1990, is a month 7, day 4, and year 1990.

a. Write down specifications for method which advances any given date by one day. Write down statement of purpose, pre- and post-conditions, and description of parameters.

b. Write down Java implementation of this method. Create and specify any other methods which you need. Write comments which will be helpful to someone who will keep implementation in the future.