Java Program To Find Number Of Working Days In A Month

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import java.util.Calendar;

public class WorkingDaysInMonth {
    public static void main(String[] args) {
        int year = 2023; // Replace with the desired year
        int month = 9;   // Replace with the desired month (1 = January, 2 = February, etc.)

        int workingDays = countWorkingDays(year, month);
        System.out.println("Number of working days in " + month + "/" + year + ": " + workingDays);
    }

    public static int countWorkingDays(int year, int month) {
        int workingDays = 0;
        Calendar calendar = Calendar.getInstance();

        // Set the year and month in the calendar
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, month - 1); // Calendar uses 0-based months

        int daysInMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);

        for (int day = 1; day <= daysInMonth; day++) {
            // Set the day of the month
            calendar.set(Calendar.DAY_OF_MONTH, day);
            
            // Check if it's a working day (Monday to Friday)
            int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
            if (dayOfWeek >= Calendar.MONDAY && dayOfWeek <= Calendar.FRIDAY) {
                workingDays++;
            }
        }

        return workingDays;
    }
}

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