Wczytanie arraylist z pliku

 try
{
        FileInputStream fos = new FileInputStream("historia.txt");
       ObjectInputStream oos = new ObjectInputStream(fos);
       hist = (ArrayList<Object>) oos.readObject();
       oos.close();;                
}
 
catch(Exception y)
{
     JOptionPane.showMessageDialog(null,y.getMessage(),"Czytanie pliku "+"historia.txt",JOptionPane.INFORMATION_MESSAGE);
} 

  try {
                        
       FileOutputStream fos = new FileOutputStream("historia.txt");
       ObjectOutputStream oos = new ObjectOutputStream(fos);
       oos.writeObject(hist);
       oos.close();  
                    }
                catch(IOException ioe)
                    {
                         System.out.println("Error!");
                    } 

JLabel e;
e.setText(hist.toString());
add(e);