import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import javafx.scene.control.Label;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.util.Duration;

public class TestScenes extends Application {

    @Override
    public void start(Stage stage) {
        Timeline timeline = new Timeline(
                new KeyFrame(Duration.millis(100), e -> stage.setScene(createScene("Scene 1", Color.RED))),
                new KeyFrame(Duration.millis(200), e -> stage.setScene(createScene("Scene 2", Color.BLUE))),
                new KeyFrame(Duration.millis(300), e -> stage.setScene(createScene("Scene 3", Color.GREEN)))
        );

        timeline.setCycleCount(Animation.INDEFINITE);
        timeline.play();

        stage.show();
    }

    private Scene createScene(String text, Color color) {
        return new Scene(new StackPane(), 400, 300, color);
    }

    public static void main(String[] args) {
        launch(TestScenes.class, args);
    }
}