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SOLID principles

Posted on March 9, 2018. Filed under: Uncategorized | Tags: meta, oo, ruby, solid, TODO |

Welcome to the five-part series of blog posts about SOLID Principles. In each part I will describe and analyze one of these principles. In the last part, expect summary of the entire series containing a few tips and thoughts.

Let’s start. What are SOLID Principles? There are five general design principles of object-oriented programming intended to make software more understandable, extendable, maintainable and testable.

1. S — Single responsibility principle (SRP)
2. O — Open/closed principle (OCP)
3. L — Liskov Substitution Principle (LSP)
4. I — Interface Segregation Principle (ISP)
5. D — Dependency Inversion Principle (DIP)