FicheroObjeto - Main

public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub


        try {
            ObjectOutputStream oos = new ObjectOutputStream (new FileOutputStream("objetos.data"));


            for (int i=0; i<5; i++){

                Persona p = new Persona(i);

                oos.writeObject(p);

            }

            oos.close();

        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        ObjectInputStream ois;

        try {
            ois = new ObjectInputStream (new FileInputStream("objetos.data"));

            try {
                Object aux = ois.readObject();

                while (aux!=null){

                    if (aux instanceof Persona){
                        System.out.println(aux);
                    }
                    ois.readObject();
                }
            } catch (ClassNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}