Locale getISO3Country() Method in Java with Examples

Last Updated : 27 Dec, 2018

The getISO3Country() method of Locale class in Java is used to get the country or region code for the specified locale. This will either be an uppercase ISO 3166 3-letter country code or an empty string if the locale doesn’t specify a country.

Syntax:

LOCALE.getISO3Country()

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 country abbreviation is not available for the specified locale.

Below programs illustrate the working of getISO3Country() method:

Program 1:

// Java code to illustrate getISO3Country() 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 country_code of this locale 
        System.out.println("Country: "
                           + first_locale.getISO3Country()); 
    } 
} 

Output:

First Locale: en_IN
Country: IND

Program 2:

// Java code to illustrate getISO3Country() 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 country_code of this locale 
        System.out.println("Country: "
                           + first_locale.getISO3Country()); 
    } 
} 

Output:

First Locale: ar_SA
Country: SAU

Program 3: Showing Error

// Java code to illustrate getISO3Country() method 
import java.util.*; 
  
public class Locale_Demo { 
    public static void main(String[] args) 
    { 
  
        // Creating a new locale 
        Locale first_locale 
            = new Locale("ar", "tez"); 
  
        // Displaying first locale 
        System.out.println("First Locale: "
                           + first_locale); 
  
        try { 
            // Displaying the country_code of this locale 
            System.out.println("Country: "
                               + first_locale.getISO3Country()); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
} 

Output:

First Locale: ar_TEZ
java.util.MissingResourceException: Couldn't find 3-letter country code for TEZ

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