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Java Locale getISO3Language() Method with Example

Locale Class getISO3Language() method: Here, we are going to learn about the getISO3Language() method of Locale Class with its syntax and example.
Submitted by Preeti Jain, on March 08, 2020

Locale Class getISO3Language() method

• getISO3Language() method is available in java.util package.
• getISO3Language() method is used to get the three-letter small case language code for this locale when it exists, otherwise it returns a blank string ("").
• getISO3Language() method is a non-static method, it is accessible with the class object and if we try to access the method with the class name then we will get an error.
• getISO3Language() method may throw an exception at the time of returning country code.
  MissingResourceException: This exception may throw when three letter country code is unavailable for this Locale.

Syntax:

    public String getISO3Language();

Parameter(s):

• It does not accept any parameter.

Return value:

The return type of the method is String, it returns three letter language code available in ISO 639-0/T otherwise it returns blank string ("").

Example:

// Java program to demonstrate the example 
// of String getISO3Language() method of Locale 

import java.util.*;

public class GetISO3LanguageOfLocale {
    public static void main(String[] args) {
        // Instantiates Locale
        Locale lo = new Locale("en", "US", "FRA");

        // Display Locale
        System.out.println("lo: " + lo);

        // By using getISO3Language() method is
        // to return 3 letter ISO code for the 
        // locale language
        String three_lang_co = lo.getISO3Language();
        System.out.println("lo.getISO3Language(): " + three_lang_co);
    }
}

Output

lo: en_US_FRA
lo.getISO3Language(): eng