public ListEnemy DeserializationListEnemy(String songTitle)
    {
        ListEnemy LE=null;
        try {
            FileInputStream fis = new FileInputStream(songTitle);
            ObjectInputStream ois= new ObjectInputStream(fis);
            try
            {
                LE = (ListEnemy) ois.readObject();
            } finally
            {
                try
                {
                    ois.close();
                } finally
                {
                    fis.close();
                }
            }
        } catch(IOException ioe) {
            ioe.printStackTrace();
        } catch(ClassNotFoundException cnfe) {
            cnfe.printStackTrace();
        }
        if(LE != null) {
            System.out.println( "a ete deserialise");
            return LE;
        }
        return null;
    }