Question

Any class using the built-in cloning mechanism is supposed to do which of the following?

(a) Implement the Cloneable interface

(b) Define a concrete public or protected clone() operation

(c) In the clone() operation, obtain a new object by calling super.clone()

(d) All of the mentioned

I have been asked this question during an interview.

I would like to ask this question from The Prototype Pattern, Reactor Pattern and Command Pattern topic in chapter Visibility, Accessibility and Information Hiding of Software Architecture

Answer 1

The correct choice is (d) All of the mentioned

To elaborate: All of the mentioned are true.