import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.StackPane; import javafx.stage.Stage; public class Main extends Application { Stage window; Button button; public static void main(String[] args) { launch(args); } @Override public void start(Stage primaryStage) { window = primaryStage; window.setTitle("thenewboston"); button = new Button("Click Me"); button.setOnAction(e -> AlertBox.display("Title of Window", "Wow this alert box is awesome!")); StackPane layout = new StackPane(); layout.getChildren().add(button); Scene scene = new Scene(layout, 300, 250); window.setScene(scene); window.show(); } }