import java.util.Locale; import java.util.ResourceBundle; public class ResourceLoader { private static ResourceBundle resourceBundle; public static void loadResources(String language, String country) { Locale locale = new Locale(language, country); resourceBundle = ResourceBundle.getBundle("i18n.messages", locale); } public static String getString(String key) { return resourceBundle.getString(key); } } ResourceLoader.loadResources("zh", "CN"); String welcomeMessage = ResourceLoader.getString("welcome.message"); System.out.println(welcomeMessage);