Java method to compute for duration in years, months and days

Code:
/**
	 * Computes the duration between an input date and date today and returns
	 * the value in years, months and days
	 * 
	 * @param month
	 *            - input month
	 * @param day
	 *            - input day
	 * @param year
	 *            - input year
	 * @return duration in years, months and days
	 */
...