The internationalized program is flexible; it allows the end user to specify a language and a country on the command line. In the following example the language code is fr (French) and the country code is FR (France), so the program displays the messages in French:
% java I18NSample fr FR Bonjour. Comment allez-vous? Au revoir.
In the next example the language code is en (English) and the country code is US (United States) so the program displays the messages in English:
% java I18NSample en US Hello. How are you? Goodbye.