class - How to add n days to a Date in java without importing Date/Calendar from java API?

Question

How do I add n days to a date in Java Creating my own java class?

For example, my date is (dd/mm/yyyy) = 26/02/2014

Adding 3 days, the output should be 01/03/2014.

Without importing Calendar or Date from JAVA API

Thank you in Advance. Any Sample code or Pseudo Code or idea will be highly apprecited

Answer 1

Convert the date to days. For example how many days passed from 01/01/1900 then add 3 days and convert it back.