Locale getDisplayName(Locale) Method in Java with Examples

The getDisplayName(Locale inLoc) method of Locale class in Java is used to get the whole name of the specified locale including the language, country or other variants. This is displayed according to the convenience of the user.

Syntax:

public String getDisplayName(Locale inLoc)

Parameters: This method takes one parameter inLoc of Locale type which refers to the localized display of the name.

Return Value: This method returns the name of the display language appropriate to the given locale.

Exceptions: The method throws NullPointerException if the parameter inLoc is null.

Below programs illustrate the working of the getDisplayName() method:
Program 1:

// Java code to illustrate getDisplayName() method

import java.util.*;

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

        // Creating a new locale
        Locale first_locale
            = new Locale("en", "In");

        // Displaying first locale
        System.out.println("First Locale: "
                           + first_locale);

        // Displaying the locale
        System.out.println("Language: "
                           + first_locale
                                 .getDisplayName(
                                     new Locale("fr", "French")));
    }
}

Output:

First Locale: en_IN
Language: anglais (Inde)

Program 2:

// Java code to illustrate getDisplayName() method

import java.util.*;

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

        // Creating a new locale
        Locale first_locale
            = new Locale("en", "US");

        // Displaying first locale
        System.out.println("First Locale: "
                           + first_locale);

        // Displaying the locale
        System.out.println("Language: "
                           + first_locale
                                 .getDisplayName(
                                     new Locale("En", "In")));
    }
}

Output:

First Locale: en_US
Language: English (United States)

Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Locale.html#getDisplayName(java.util.Locale)