Java Date Function Minus Operation Excluding Weekends And Holidays

I have deduct a number of days excluding holiday and weekends .So if I have to deduct 4 days from current day (02/12) and assuming 02/10 is a holiday my answer will be 02/05

Now below is the code I have come up with however its not working with the hardcoded dates I am passing in to the Holiday Calendar String .Only the last value is considered . How I should store this values and compare with the date

package date_calculation;

/**
* Returns a tick for each of
* the dates as represented by the <code>dtConstants</code> or the list of <code>dtDateTimes</code>
* occurring in the period as represented by begin -> end.
*

[Code]...