I’ve been reflecting on how often we see “new” principles like SOLID pop up in technical interviews and documentation. But when you dig into the details — especially in Ruby — many of these ideas are already part of the classic OOP toolbox.

In this article, I break down each SOLID principle with Ruby examples and connect them to traditional OOP concepts like inheritance, encapsulation, and polymorphism.

https://rubystacknews.com/2025/06/24/%f0%9f%a7%a0-solid-vs-oop-in-ruby-are-we-just-repackaging-the-same-ideas/