Java Calendar getWeeksInWeekYear() Method

The getWeeksInWeekYear() method of java.util.Calendar class returns the total number of weeks in a week year in the integer form.

Syntax

Parameter

No parameter is passed.

Returns

Returns the integer number of weeks in week year

Throws

UnsupportedOperationException: if any week number is not defined in the calendar.

Example 1

import java.util.Calendar;
public class JavaCalendargetWeeksInWeekYearExample1 {    
    public static void main(String[] args){
		Calendar mycal = Calendar.getInstance();
		System.out.println(" Current Time:" + mycal.getTime());	
                System.out.println("Weeks in week year :"
				+ mycal.getWeeksInWeekYear());
		mycal.setWeekDate(1996, 23, 6 );
		System.out.println("Changed Time:"+mycal.getTime());
		System.out.println("Weeks in week year :"
				+ mycal.getWeeksInWeekYear());
}
}

Test it Now

Output:

Current Time:Thu Aug 09 16:36:58 PDT 2018
Weeks in week year :52
Changed Time:Fri Jun 07 16:36:58 PDT 1996
Weeks in week year :52

Example 2

import java.util.Calendar;
public class JavaCalendargetWeeksInWeekYearExample2 {
    public static void main(String args[])
    {  
       Calendar mycal = Calendar.getInstance();
    mycal.setFirstDayOfWeek(Calendar.SUNDAY);
    mycal.setMinimalDaysInFirstWeek(7);
    mycal.setTimeInMillis(100);
    int wk = mycal.get(Calendar.WEEK_OF_YEAR);
    System.out.println("Week : " +wk);
    int wY = mycal.getWeekYear();
    System.out.println("Weekayear  : " +wY);
    int y = mycal.get(Calendar.YEAR);
    System.out.println("Year  : " +y);
        int w = mycal.getWeeksInWeekYear();
        System.out.println("Week : " +w);
    }
    }

Test it Now

Output:

Week : 52
Weekayear  : 1969
Year  : 1969
Week : 52

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