public int PrintAge() {
		Calendar today = Calendar.getInstance();
		Calendar birthDate = Calendar.getInstance();

		int age = 0;
		birthDate.setTime(this.DOB);
		if (birthDate.after(today)) {
			throw new IllegalArgumentException("Can't be born in the future");
		}
		age = today.get(Calendar.YEAR) - birthDate.get(Calendar.YEAR);

		// If birth date is greater than todays date (after 2 days adjustment of
		// leap year) then decrement age one year
		if ((birthDate.get(Calendar.DAY_OF_YEAR)
				- today.get(Calendar.DAY_OF_YEAR) > 3)
				|| (birthDate.get(Calendar.MONTH) > today.get(Calendar.MONTH))) {
			age--;

			// If birth date and todays date are of same month and birth day of
			// month is greater than todays day of month then decrement age
		} else if ((birthDate.get(Calendar.MONTH) == today.get(Calendar.MONTH))
				&& (birthDate.get(Calendar.DAY_OF_MONTH) > today
						.get(Calendar.DAY_OF_MONTH))) {
			age--;
		}

		System.out.println("age is " + age);

		return age;

	}