Refresher for SOLID

A hands-on C++ workbook revisiting the five SOLID design principles.
Each principle lives in its own folder with:

• A README.md defining the principle, key terms, use cases, benefits, and when to use/not to use.
• A pair of code examples:
  1. A simple “violation” (pre-refactoring) showing the problem.
  2. An SOLID-compliant refactoring demonstrating the correct structure.

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Prerequisites

Before you dive in, you should be comfortable with:

• C++ Classes & Objects: definition, constructors, destructors
• Encapsulation & Access Control: public/private/protected
• Inheritance & Polymorphism: virtual methods, overriding, up-casting
• Abstract Base Classes: pure-virtual functions, interfaces
• Composition vs. Inheritance: “has-a” vs. “is-a”
• Coupling & Cohesion: what makes a class loosely coupled and highly cohesive

You can refer to the OOPs_Prequisite file (present in md/docx format) for the same.