@@ -0,0 +1,569 @@
+package org.nwapw.abacus.fx;%0A%0Aimport javafx.application.Application;%0Aimport javafx.fxml.FXMLLoader;%0Aimport javafx.scene.Parent;%0Aimport javafx.scene.Scene;%0Aimport javafx.stage.Stage;%0A%0Apublic class AbacusApplication extends Application %7B%0A%0A    @Override%0A    public void start(Stage primaryStage) throws Exception %7B%0A        Parent parent = FXMLLoader.load(getClass().getResource(%22/abacus.fxml%22));%0A        Scene mainScene = new Scene(parent, 320, 480);%0A        primaryStage.setScene(mainScene);%0A        primaryStage.setTitle(%22Abacus%22);%0A        primaryStage.show();%0A    %7D%0A%0A%7D%0A

Add FXML loading application.