对象输入流,反序列化

来源：互联网发布：淘宝运营要做什么编辑：程序博客网时间：2024/06/05 05:51

/**
   * @param args
   * @throws IOException
   * @throws FileNotFoundException
   * @throws ClassNotFoundException
   * ObjectInputStream
   * 对象输入流,反序列化
   */
   public static void main(String[] args) throws FileNotFoundException, IOException, ClassNotFoundException {
       //demo1();
       ObjectInputStream ois = new ObjectInputStream(new FileInputStream("e.txt"));
       ArrayList<Person> list = (ArrayList<Person>) ois.readObject();       //将集合对象一次读取

       for (Person person : list) {
           System.out.println(person);
       }

       ois.close();
   }

   public static void demo1() throws IOException, FileNotFoundException,
           ClassNotFoundException {
       ObjectInputStream ois = new ObjectInputStream(new FileInputStream("e.txt"));

       Person p1 = (Person) ois.readObject();
       Person p2 = (Person) ois.readObject();
       //Person p3 = (Person) ois.readObject();           //当文件读取到了末尾时出现EOFException

       System.out.println(p1);
       System.out.println(p2);

       ois.close();
   }

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