package hellofx; import javafx.application.Application; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.VBox; import javafx.stage.Stage; // circles public class GUI006 extends Application { @Override public void start(Stage stg1) throws Exception { VBox pn = new VBox(); pn.setAlignment(Pos.CENTER); pn.setSpacing(20); for(int i = 1; i <= 9; i++) pn.getChildren().add(new Button("Button " + i)); Scene scn = new Scene(pn, 300, 500); stg1.setTitle("We love buttons"); stg1.setScene(scn); stg1.setResizable(false); stg1.show(); } public static void main(String[] args) { Application.launch(args); } }