Pluggable Adapter as mentioned in the GOF
问题 The related Posts on Stackover flow for this topic : Post_1 and Post_2 Above posts are good but still I could not get answer to my confusion, hence I am putting it as a new post here. MY Questions based on the GOF's Elements of Reusable Object-Oriented Software book content about Pluggable Adapters (mentioned after questions below), hence I would appreciate if the discussions/answers/comments are more focused on the existing examples from GOF regarding the pluggable Adapters rather than other