Java Calendar getFirstDayOfWeek() Method

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Description

The Java Calendar getFirstDayOfWeek() method returns the first day of the week.

Declaration

Following is the declaration for java.util.Calendar.getFirstDayOfWeek() method

public int getFirstDayOfWeek()

Parameters

NA

Return Value

The method returns the first day of the week.

Exception

NA

Getting First Day of the Week from a Current Dated Calendar Instance Example

The following example shows the usage of Java Calendar getFirstDayOfWeek() method. We're creating an instance of a Calendar of current date. Then we're getting first day of the week. Using switch statement, we're printing the corresponding day.

package com.tutorialspoint;

import java.util.Calendar;

public class CalendarDemo {
   public static void main(String[] args) {

      //create a new calendar
      Calendar cal = Calendar.getInstance();

      //print the first day of the week
      System.out.println("First day of the week is :" + cal.getFirstDayOfWeek());
      int day = cal.getFirstDayOfWeek();
      switch (day) {
         case 1:
            System.out.println("Sunday");
            break;
         case 2:
            System.out.println("Monday");
            break;
         case 3:
            System.out.println("Tuesday");
            break;
         case 4:
            System.out.println("Wednesday");
            break;
         case 5:
            System.out.println("Thrusday");
            break;
         case 6:
            System.out.println("Friday");
            break;
         case 7:
            System.out.println("Saturday");
      }
   }
}

Output

Let us compile and run the above program, this will produce the following result −

First day of the week is :1
Sunday

Getting First Day of the Week from a Current Dated Calendar Instance and Given Locale Example

The following example shows the usage of Java Calendar getFirstDayOfWeek() method. We're creating an instance of a Calendar of current date and of fr locale. Then we're getting first day of the week. Using switch statement, we're printing the corresponding day.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.Locale;

public class CalendarDemo {
   public static void main(String[] args) {

      //create a new calendar
      Calendar cal = Calendar.getInstance(new Locale("fr", "CA"));

      //print the first day of the week
      System.out.println("First day of the week is :" + cal.getFirstDayOfWeek());
      int day = cal.getFirstDayOfWeek();
      switch (day) {
         case 1:
            System.out.println("Sunday");
            break;
         case 2:
            System.out.println("Monday");
            break;
         case 3:
            System.out.println("Tuesday");
            break;
         case 4:
            System.out.println("Wednesday");
            break;
         case 5:
            System.out.println("Thrusday");
            break;
         case 6:
            System.out.println("Friday");
            break;
         case 7:
            System.out.println("Saturday");
      }
   }
}

Output

Let us compile and run the above program, this will produce the following result −

First day of the week is :1
Sunday

Getting First Day of the Week from a Current Dated Calendar Instance and a Custom Locale Example

The following example shows the usage of Java Calendar getFirstDayOfWeek() method. We're creating an instance of a Calendar of current date and of en locale. Then we're getting first day of the week. Using switch statement, we're printing the corresponding day.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.Locale;

public class CalendarDemo {
   public static void main(String[] args) {

      //create a new calendar
      Calendar cal = Calendar.getInstance(new Locale("en", "GB"));

      //print the first day of the week
      System.out.println("First day of the week is :" + cal.getFirstDayOfWeek());
      int day = cal.getFirstDayOfWeek();
      switch (day) {
         case 1:
            System.out.println("Sunday");
            break;
         case 2:
            System.out.println("Monday");
            break;
         case 3:
            System.out.println("Tuesday");
            break;
         case 4:
            System.out.println("Wednesday");
            break;
         case 5:
            System.out.println("Thrusday");
            break;
         case 6:
            System.out.println("Friday");
            break;
         case 7:
            System.out.println("Saturday");
      }
   }
}

Output

Let us compile and run the above program, this will produce the following result −

First day of the week is :2
Monday