请老师检查，谢谢

# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

package com.zhong.serial;

import java.io.Serializable;

public class Product implements Serializable {

private int id;

private String name;

private String categories;

private double price;

public Product(){

}

public Product(int id,String name,String catagories,double price){

this.setId(id);

this.setName(name);

this.setCategories(catagories);

this.setPrice(price);

}

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getCategories() {

return categories;

}

public void setCategories(String categories) {

this.categories = categories;

}

public double getPrice() {

return price;

}

public void setPrice(double price) {

this.price = price;

}

@Override

public String toString() {

// TODO Auto-generated method stub

return "产品ID："+this.getId()+"\n产品名称："+this.getName()+"\n产品属性："+this.getCategories()+"\n产品价格："+this.getPrice()+"元\n";

}

}

package com.zhong.serial;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

public class ProTest {

public static void main(String[] args) {

// TODO Auto-generated method stub

Product iphone=new Product(123,"iphone","telephone",4888);

Product ipad=new Product(234,"ipad","computer",5088);

Product macbook=new Product(345,"macbook","computer",10688);

Product iwatch=new Product(256,"iwatch","watch",4799);

try {

FileOutputStream fos=new FileOutputStream("imooc.txt");

ObjectOutputStream oos=new ObjectOutputStream(fos);

FileInputStream fis=new FileInputStream("imooc.txt");

ObjectInputStream ois=new ObjectInputStream(fis);

oos.writeObject(iphone);

oos.writeObject(ipad);

oos.writeObject(macbook);

oos.writeObject(iwatch);

oos.flush();

try {

System.out.println(ois.readObject());

System.out.println(ois.readObject());

System.out.println(ois.readObject());

System.out.println(ois.readObject());

} catch (ClassNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

fos.close();

oos.close();

fis.close();

ois.close();

    } catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e){

e.printStackTrace();

}

}

}