```java public class Launcher { public static void main(String[] args) { Application.launch(App.class, args); } } ``` Reference: - https://stackoverflow.com/questions/54063041/package-a-non-modular-javafx-application/54065502 - https://stackoverflow.com/questions/49675539/javafx-program-which-can-be-controlled-both-by-gui-and-command-line - https://stackoverflow.com/questions/25873769/launch-javafx-application-from-another-class