The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases.
The source code for the internationalized program follows. Notice that the text of the messages is not hardcoded.
import java.util.*; public class I18NSample { static public void main(String[] args) { String language; String country; if (args.length != 2) { language = new String("en"); country = new String("US"); } else { language = new String(args[0]); country = new String(args[1]); } Locale currentLocale; ResourceBundle messages; currentLocale = new Locale(language, country); messages = ResourceBundle.getBundle("MessagesBundle", currentLocale); System.out.println(messages.getString("greetings")); System.out.println(messages.getString("inquiry")); System.out.println(messages.getString("farewell")); } }
To compile and run this program, you need these source files: