package factorymethod;

public class Main {
    public static void main(String[] args) {
        System.out.println("=== Factory Method Pattern Demo ===\n");

        NotificationService[] services = {
            new EmailService("alice@example.com"),
            new SmsService("+1-555-0123"),
            new PushService("device-token-abc123")
        };

        for (NotificationService service : services) {
            service.notifyUser("Your order #1042 has been shipped!");
        }
    }
}