Check if the Calendar date is a sunday

Question

I am trying to figure out how to make my program count the number of Sundays in a week.

I have tried the following thing:

if (date.DAY_OF_WEEK == date.SU         


        

Answer 1

Note: the Joda-Time project is now in maintenance mode. See this answer if you don't have to work with legacy code.

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If you have to work with date or time a lot, you might want to try using Joda-Time.

Your code would look something like this:

LocalDate startDate = new LocalDate(2012, 12, 2);
int day = startDate.dayOfWeek().get();   // gets the day of the week as integer

if (DateTimeConstants.SUNDAY == day) {
    System.out.println("It's a Sunday!");
}

You can also get a text string from dayOfWeek():

String dayText = startDate.dayOfWeek().getAsText();

will return the string "Sunday".