JavaFX:如何反序列化动态创建面积图系列？

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.chart.AreaChart;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.XYChart;
import javafx.stage.Stage;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {
        // 创建一个数值轴
        final NumberAxis xAxis = new NumberAxis();
        final NumberAxis yAxis = new NumberAxis();

        // 创建一个面积图对象
        final AreaChart<Number, Number> areaChart = new AreaChart<>(xAxis, yAxis);

        // 反序列化面积图系列对象
        AreaChart.Series<Number, Number> series = deserializeSeries("series.dat");

        // 将反序列化的面积图系列对象添加到面积图中
        areaChart.getData().add(series);

        // 创建一个场景并显示面积图
        Scene scene = new Scene(areaChart, 800, 600);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private AreaChart.Series<Number, Number> deserializeSeries(String filename) {
        try (FileInputStream fileIn = new FileInputStream(filename);
             ObjectInputStream in = new ObjectInputStream(fileIn)) {
            // 从文件中读取反序列化的面积图系列对象
            return (AreaChart.Series<Number, Number>) in.readObject();
        } catch (IOException | ClassNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) {
        launch(args);
    }
}