package sample; import javafx.application.Application; import javafx.fxml.FXMLLoader; import javafx.scene.Parent; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.layout.BorderPane; import javafx.scene.layout.HBox; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.stage.Stage; public class Main extends Application { Stage window; Button button; @Override public void start(Stage primaryStage) throws Exception{ window = primaryStage; window.setTitle("Tony Chen"); window.setOnCloseRequest(e -> { e.consume(); closeProgram(); }); HBox topMenu = new HBox(); Button buttonA = new Button("File"); Button buttonB = new Button("Edit"); Button buttonC = new Button("View"); topMenu.getChildren().addAll(buttonA, buttonB, buttonC); VBox leftMenu = new VBox(); Button buttonD = new Button("D"); Button buttonE = new Button("E"); Button buttonF = new Button("F"); leftMenu.getChildren().addAll(buttonD, buttonE, buttonF); BorderPane borderPane = new BorderPane(); borderPane.setTop(topMenu); borderPane.setLeft(leftMenu); Scene scene = new Scene(borderPane, 300, 250); window.setScene(scene); window.show(); } public static void main(String[] args) { launch(args); } private void closeProgram(){ Boolean answer = ConfirmBox.display("Title", "Are you sure you want to exit?"); if(answer) window.close(); } }