DayOfWeek getDisplayName() method in Java with Examples

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The getDisplayName() method of java.time.DayOfWeek is an in-built function in Java which returns the textual representation of the day-of-week according to the specified Locale class parameter and TextStyle. The TextStyle defines three elements ‘FULL’, ‘SHORT’ and ‘NARROW’. Locale class represents a specific language and region of the world.

Method Declaration:

 public String getDisplayName(TextStyle style, Locale locale)

Syntax:

 String text = dayOfWeekObject.getDisplayName(TextStyle style, Locale locale)

Parameters: This method takes two parameters:

style – is the TestStyle which can be three elements ‘FULL’, ‘SHORT’ and ‘NARROW’.

locale – represents a specific language and region of the world. The default locale is US

dayOfWeekObject – is an instance of DayOfWeek.

Return Value: The function returns returns the textual representation of the day-of-week according to the specified Locale class parameter and TextStyle.

Below programs illustrate the above method:
Program 1:

// Java Program Demonstrate getDisplayName()
// method of DayOfWeek
  
import java.time.*;
import java.time.format.TextStyle;
import java.util.Locale;
  
class DayOfWeekExample {
    public static void main(String[] args)
    {
        // Initializing a DayOfWeek instance
        DayOfWeek dayOfWeek = DayOfWeek.MONDAY;
  
        // Get textual representation of the
        // day-of-week in FULL style
        String full_name
            = dayOfWeek
                  .getDisplayName(TextStyle.FULL,
                                  Locale.getDefault());
  
        // Get textual representation of the
        // day-of-week in SHORT style
        String short_name
            = dayOfWeek
                  .getDisplayName(TextStyle.SHORT,
                                  Locale.getDefault());
  
        // Get textual representation of the
        // day-of-week in NARROW style
        String narrow_name
            = dayOfWeek
                  .getDisplayName(TextStyle.NARROW,
                                  Locale.getDefault());
  
        // Printing the textual names of the day-of-week
        System.out.println(full_name);
  
        System.out.println(short_name);
  
        System.out.println(narrow_name);
    }
}

Output:

Monday
Mon
M

Program 2:

// Java Program Demonstrate getDisplayName()
// method of DayOfWeek
  
import java.time.*;
import java.time.DayOfWeek;
import java.time.format.TextStyle;
import java.util.Locale;
  
class DayOfWeekExample {
    public static void main(String[] args)
    {
        // Initializing a DayOfWeek instance
        DayOfWeek dayOfWeek = DayOfWeek.WEDNESDAY;
  
        // Get textual representation of the
        // day-of-week in FULL style
        String full_name
            = dayOfWeek
                  .getDisplayName(TextStyle.FULL,
                                  Locale.getDefault());
  
        // Get textual representation of the
        // day-of-week in SHORT style
        String short_name
            = dayOfWeek
                  .getDisplayName(TextStyle.SHORT,
                                  Locale.getDefault());
  
        // Get textual representation of the
        // day-of-week in NARROW style
        String narrow_name
            = dayOfWeek
                  .getDisplayName(TextStyle.NARROW,
                                  Locale.getDefault());
  
        // Printing the textual names of the day-of-week
        System.out.println(full_name);
  
        System.out.println(short_name);
  
        System.out.println(narrow_name);
    }
}