text: public int calculateWorkdays(double start, double end, double[] holidays) {int saturdaysPast = this.pastDaysOfWeek(start, end, Calendar.SATURDAY);int sundaysPast = this.pastDaysOfWeek(start, end, Calendar.SUNDAY);int nonWeekendHolidays = this.calculateNonWeekendHolidays(start, end, holidays);return (int) (end - start + 1) - saturdaysPast - sundaysPast - nonWeekendHolidays;}