import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import java.util.Random;

public class FortuneTeller extends Application
{
    Text fortune = new Text("");
    String[] fortunes = {"Ending 1: Imprisoned",
        "Ending 2: Escape",
        "Ending 3: Release",
        "Ending 4: Lost",
        "You will get Null Element",
        "You will meet your beloved one",
        "You have discovered every secret within Grey Holm"};

    @Override
    public void start(Stage stage) throws Exception
    {
        VBox box = new VBox();
        box.setPadding(new Insets(20));
        box.setSpacing(20);
        box.setAlignment(Pos.CENTER);

        Text title = new Text("Fortune Teller");
        title.setFont(Font.font("SanSerif", 36));

        box.getChildren().add(title);

        fortune.setFont(Font.font("SanSerif", 18));

        box.getChildren().add(fortune);

        Button button = new Button("Change Your Fate");
        box.getChildren().add(button);

        button.setOnAction(this::buttonClick);

        Scene scene = new Scene(box, 500, 300);
        stage.setTitle("Fortune Teller");
        stage.setScene(scene);
        stage.show();
    }

    private void buttonClick(ActionEvent event)
    {
        Random rand = new Random();
        fortune.setText(fortunes[rand.nextInt(fortunes.length)]);
    }
}