public class SerializationHelper {
    public static byte[] serialize(Object object) throws IOException{
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
        // transform object to stream and then to a byte array
        objectOutputStream.writeObject(object);
        objectOutputStream.flush();
        objectOutputStream.close();
        return byteArrayOutputStream.toByteArray();
    }

    public static Object deserialize(byte[] bytes) throws IOException, ClassNotFoundException{
        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
        ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);
        return objectInputStream.readObject();
    }
}