Method serialize

src/main/java/Util.java:39–45

(final Object obj)

    }

    public static byte[] serialize(final Object obj) throws IOException {
        System.out.println("serialize obj:  "+ obj.getClass().getName());
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final ObjectOutputStream objOut = new ObjectOutputStream(out);
        objOut.writeObject(obj);
        return out.toByteArray();
    }

    public static Object deserialize(byte[] ser) throws IOException, ClassNotFoundException {
        System.out.println("deserialize obj");