序列化:将对象写到文件上

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 01:58

/**
   * @param args
   * 序列化:将对象写到文件上
   * @throws IOException
   */
   public static void main(String[] args) throws IOException {
       //demo1();
       Person p1 = new Person("张三", 23);
       Person p2 = new Person("李四", 24);
       Person p3 = new Person("王五", 25);
       Person p4 = new Person("赵六", 26);

       ArrayList<Person> list = new ArrayList<>();
       list.add(p1);
       list.add(p2);
       list.add(p3);
       list.add(p4);

       ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("e.txt"));
       oos.writeObject(list);                               //把整个集合对象一次写出
       oos.close();
   }

   public static void demo1() throws IOException, FileNotFoundException {
       Person p1 = new Person("张三", 23);
       Person p2 = new Person("李四", 24);

       ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("e.txt"));
       oos.writeObject(p1);
       oos.writeObject(p2);

       oos.close();
   }

阅读全文

0 0