shallow copy via serialization

CloneViaSerialization

    private Object copy(final Object src) {
        byte[] intermediate = null;
        try (final var bos = new ByteArrayOutputStream();
             final var oos = new ObjectOutputStream(bos)) {
            oos.writeObject(src);
            oos.flush();
            intermediate = bos.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
        try (final var bis = new ByteArrayInputStream(intermediate);
             final var ois = new ObjectInputStream(bis)) {
            return ois.readObject();
        } catch (IOException | ClassNotFoundException e) {
            e.printStackTrace();
            return null;
        }
    }