Java Calendar - setWeekDate() Method

The java.util.Calendar.setWeekDate() method is used to set the date of this Calendar with the given date specifiers - week year, week of year, and day of week.

Syntax

public void setWeekDate(int weekYear,
                        int weekOfYear,
                        int dayOfWeek)

Parameters

Return Value

void type.

Exception

• Throws IllegalArgumentException, if any of the given date specifiers is invalid or any of the calendar fields are inconsistent with the given date specifiers in non-lenient mode.
• Throws UnsupportedOperationException, if any week year numbering isn't supported in this Calendar.

Example:

In the example below, the java.util.Calendar.setWeekDate() method is used to set the given Calendar to the specified date.

import java.util.*;

public class MyClass {
  public static void main(String[] args) {
    //creating a Calendar instance
    Calendar Cal = Calendar.getInstance();

    //printing the Calendar
    System.out.println("The Calendar is: " + Cal.getTime());

    //setting the calendar to Sunday of 2nd Week of 2016
    Cal.setWeekDate(2016, 2, 1);

    //printing the Calendar
    System.out.println("New Calendar is: " + Cal.getTime());
  }
}

The output of the above code will be:

The Calendar is: Sat May 08 10:25:42 UTC 2021
New Calendar is: Sun Jan 03 10:25:42 UTC 2016