Locale.getISOLanguages() in Java

Locale.getISOLanguages(): This method is available in java.util.Locale class of Java.

Syntax:

String[] java.util.Locale.getISOLanguages()

This method returns a list of all 2-letter language codes defined in ISO 639.

Note: The list returned by this method does not contain ALL valid codes that can be used to create Locales.

Returns: An array of ISO 639 two-letter language codes.

Approach

Java

import java.util.Arrays;
import java.util.Locale;

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

        System.out.println("2-letter Language codes are " +
     Arrays.toString(Locale.getISOLanguages()).length());
    }
}

Output:

2-letter Language codes are 752