public static String[] getISOCountries ()

Returns a list of all 2-letter country codes defined in ISO 3166. Can be used to create Locales.

Note: The Locale class also supports other codes for country (region), such as 3-letter numeric UN M.49 area codes. Therefore, the list returned by this method does not contain ALL valid codes that can be used to create Locales.

Returns:  An array of ISO 3166 two-letter country codes.