Locale getISO3Language() Method in Java with Examples

The getISO3Language() method of Locale class in Java is used to get a three letter abbreviation for the language specified in the locale. This will either be a lowercase ISO 639-2/T language code or an empty string if the locale doesn’t specify a language.

Syntax:

LOCALE.getISO3Language()

Parameters: This method does not take any parameters.

Return Value: This method does not return any value.

Exception: The method throws a MissingResourceException if the three-letter language abbreviation is not available for the specified locale.

Below programs illustrate the working of getISO3Language() method:

Program 1:

// Java code to illustrate getISO3Language() 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 language_code of this locale
        System.out.println("Language: "
                           + first_locale.getISO3Language());
    }
}

Output:

First Locale: en_IN
Language: eng

Program 2:

// Java code to illustrate getISO3Language() method

import java.util.*;

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

        // Creating a new locale
        Locale first_locale
            = new Locale("ar", "SA");

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

        // Displaying the language_code of this locale
        System.out.println("Language: "
                           + first_locale.getISO3Language());
    }
}

Output:

First Locale: ar_SA
Language: ara

Program 3: Showing Error

// Java code to illustrate getISO3Language() method
import java.util.*;

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

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

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

        try {
            // Displaying the language_code of this locale
            System.out.println("Language: "
                               + first_locale.getISO3Language());
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

Output:

First Locale: engh_US
java.util.MissingResourceException: Couldn't find 3-letter language code for engh