Change Scene without resize window in JavaFX

Question

I\'m trying to change Scenes on JavaFX, but without change the window size. However, when I set stage.setScene(scene2); the window size decreases, and I want to

Answer 1

It's probably better here just to replace the root of the existing scene, than to create a new scene:

fadeOut.setOnFinished((e) -> {
    try {               
        Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml"));

        scene.setRoot(root2);

    } catch (IOException e1) {
        e1.printStackTrace();
    }
});

If you really do need to replace the scene, for some reason, you can set the new scene's size to the same as the existing scene:

fadeOut.setOnFinished((e) -> {
    try {               
        Parent root2 = FXMLLoader.load(getClass().getResource("../view/fxml/Welcome.fxml"));

        Scene scene2 = new Scene(root2, scene.getWidth(), scene.getHeight());

        stage.setScene(scene2);
    } catch (IOException e1) {
        e1.printStackTrace();
    }
});