@FXML private void handleButtonAction(ActionEvent event) throws Exception { System.out.println("You clicked me!"); label.setText("Hello World!"); //aslo I want to show another scence //1.Get application stage Stage currentStage = (Stage) ((Node) event.getSource()).getScene().getWindow(); //2.Create new scence from fxml Parent root = FXMLLoader.load(getClass().getResource("mainUI/mianUI.fxml")); Scene scene1 = new Scene(root); //3.Set new scence to the stage currentStage.setScene(scene1); //currentStage.show(); }