Java Calendar method getFirstDayOfWeek() to collect the first day of week of a calendar

Date

Calendar.getFirstDayOfWeek() Collect the first day of the week of a Calendar.

package my_proj;
 
import java.util.Calendar;
 
public class my_first {
public static void main(String[] args) {
Calendar my_cal = Calendar.getInstance();// created calendar
System.out.println(my_cal.getFirstDayOfWeek()); // 1
my_cal.setFirstDayOfWeek(5);
System.out.println(my_cal.getFirstDayOfWeek()); // 5
}
}

We used setFirstDayOfWeek() to get the value to update the first day of week.

package my_proj;
 
import java.util.Calendar;
 
public class my_first {
public static void main(String[] args) {
Calendar my_cal = Calendar.getInstance();// created calendar
System.out.println(my_cal.getWeeksInWeekYear()); // 52
my_cal.getFirstDayOfWeek(5);
System.out.println(my_cal.getWeeksInWeekYear()); // 53
}
}

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Calendar.getFirstDayOfWeek()

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