JavaFX TableView列设置单元格值时出现空指针异常求助

我是JavaFX新手（仍在学习中），目前正在学习TableView相关内容。跟着某YouTube视频编写了向TableView插入单元格的程序，视频里运行顺畅，但我照做后编辑器无报错，运行时出现错误，错误信息如下：

Exception in Application start method
java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118)
    at java.base/java.lang.reflect.Method.invoke(Method.java:580)
    at javafx.graphics@21.0.1/com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:464)
    at javafx.graphics@21.0.1/com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:364)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    at java.base/java.lang.reflect.Method.invoke(Method.java:580)
    at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1135)
Caused by: java.lang.RuntimeException: Exception in Application start method
    at javafx.graphics@21.0.1/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:893)
    at javafx.graphics@21.0.1/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:196)
    at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: javafx.fxml.LoadException: 
/C:/Users/Mako/Documents/Programming/Eclipse-workspace2/JavaFXTable/bin/application/Scene1.fxml

    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2722)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2700)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2563)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3376)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3332)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3300)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3272)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3248)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.load(FXMLLoader.java:3241)
    at JavaFXTable/application.Main.start(Main.java:16)
    at javafx.graphics@21.0.1/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:839)
    at javafx.graphics@21.0.1/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:483)
    at javafx.graphics@21.0.1/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:456)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
    at javafx.graphics@21.0.1/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:455)
    at javafx.graphics@21.0.1/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at javafx.graphics@21.0.1/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at javafx.graphics@21.0.1/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:185)
    ... 1 more
Caused by: java.lang.NullPointerException: Cannot invoke "javafx.scene.control.TableColumn.setCellValueFactory(javafx.util.Callback)" because "this.name" is null
    at JavaFXTable/application.Scene1Controller.initialize(Scene1Controller.java:32)
    at javafx.fxml@21.0.1/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2670)
    ... 17 more
Exception running application application.Main

以下是我当前包中的所有代码，均在同一个包内：

Main.java #

package application;
    
import java.io.IOException;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.stage.Stage;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;


public class Main extends Application {
    @Override
    public void start(Stage stage) throws IOException {
        Parent root = FXMLLoader.load(getClass().getResource("Scene1.fxml"));
        Scene scene = new Scene(root);
        stage.setScene(scene);
        stage.show();
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}

Scene1Controller.java #

package application;

import java.net.URL;
import java.util.ResourceBundle;

import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;

public class Scene1Controller implements Initializable{

    @FXML
    private TableColumn<Food, String> name;

    @FXML
    private TableColumn<Food, Integer> price;

    @FXML
    private TableView<Food> table;

    ObservableList<Food> list = FXCollections.observableArrayList(
            new Food("Pizza", 10),
            new Food("IcedCream", 5)
            );
    
    @Override
    public void initialize(URL arg0, ResourceBundle arg1) {
        name.setCellValueFactory(new PropertyValueFactory<Food, String>("name"));
        price.setCellValueFactory(new PropertyValueFactory<Food, Integer>("price"));
        
        table.setItems(list);
    }
    
    
    
}

Food.java #

package application;

public class Food {

    String name;
    int price;
    
    public Food(String name, int price) {
        this.name = name;
        this.price = price;
    }

    public String getName() {
        return name;
    }

    public int getPrice() {
        return price;
    }
    
}

Scene1.fxml #

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.layout.AnchorPane?>

<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/21" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.Scene1Controller">
   <children>
      <TableView fx:id="table" layoutX="200.0" layoutY="14.0" prefHeight="200.0" prefWidth="200.0">
        <columns>
          <TableColumn fx:id="name" prefWidth="75.0" text="name" />
          <TableColumn fx:id="price" prefWidth="75.0" text="price" />
        </columns>
         <columnResizePolicy>
            <TableView fx:constant="CONSTRAINED_RESIZE_POLICY" />
         </columnResizePolicy>
      </TableView>
   </children>
</AnchorPane>

希望有人能帮忙，祝好！我也尝试过跟着其他同主题视频操作，但都没有解决问题。

内容的提问来源于stack exchange，提问作者Doggoder