import javafx.animation.*;
import javafx.application.*;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.stage.Stage;
import javafx.util.*;

public class RT17191 extends Application {
    public static void main(String[] args) { launch(args); }

    @Override public void start(Stage stage) {
        StackPane root = new StackPane();
        Scene scene = new Scene(root);

        final Label label = new Label("Fading...");

        new Timeline(new KeyFrame(Duration.ZERO,
                                  new KeyValue(label.opacityProperty(), 1)),
                     new KeyFrame(Duration.millis(10000),
                                  new KeyValue(label.opacityProperty(), 0))).play();

        root.getChildren().add(label);

        stage.setWidth(200);
        stage.setHeight(200);
        stage.setScene(scene);
        stage.centerOnScreen();
        stage.show();
    }
}