public class 对象流 {
    public static void main(String[] args) {
        try {
            
            /*ObjectOutputStream os = new ObjectOutputStream(new FileOutputStream("c:/a",true));
            User u1 = new User("zs");
            User u2 = new User("ls");
            os.writeObject(u1);
            os.writeObject(u2);
            os.flush();
            os.close();*/
            ObjectInputStream is = new ObjectInputStream(new FileInputStream("c:/a"));
            Object obj1 = is.readObject();
            Object obj2 = is.readObject();
            Object obj3 = is.readObject();
            System.out.println(obj1);
            System.out.println(obj2);
            System.out.println(obj3);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        
    }
}


class User implements Serializable{
    String name;
    User(String name){
        this.name = name;
    }
    @Override
    public String toString() {
        return "User[name = "+this.name;
    }
}