Date validation for 5 years

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Java

Hi I am using this method to validate the date is in 5 years range it is working fine if I add begin date as 2011-01-01 and end date as 2015-12-30 and getting some data from database but when I change my end date to 2015-12-31 (which is a valid 5 years range according to my professor) it is giving me "DATE_RANGE_EXCEEDED must be less than 5 years" because it is adding one year as leap year.....

public class DateValidation {
final int CONST_YEAR_RANGE = 5;
final Calendar searchBeginDate = input.getBeginDate();
final Calendar searchEndDate = input.getEndDate();


                final int endYrDos  = searchEndDate.get(Calendar.YEAR);
                final int startYrDos = searchBeginDate.get(Calendar.YEAR);

                if (endYrDos - startYrDos > CONST_YEAR_RANGE) {

System.out.println("DATE_RANGE_EXCEEDED must be less than 5 years", + endYrDos, startYrDos);
    }

Please help.....

Thanks