readObject

    public static Object readObject(String filename) {
        try {
            InputStream fis = FileUtils.class
                    .getResourceAsStream("/com/andalas/ser/" + filename);

            if (fis != null) {
                ObjectInputStream ois = new ObjectInputStream(fis);
                Object object = ois.readObject();

                ois.close();

                return object;
            }
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        return null;
    }