S.O.L.I.D. Principles 

The SOLID principles are a set of five foundational object-oriented design guidelines that help developers build software systems that are maintainable, scalable, and resilient to change. 

Introduced and popularized by Robert C. Martin, SOLID emphasizes designing classes and modules with clear responsibilities, low coupling, and high cohesion. 

Rather than focusing on syntax or specific technologies, these principles guide how software components should interact and evolve over time. By applying SOLID, developers reduce the risk of fragile code, make systems easier to understand and test, and ensure that future enhancements can be introduced with minimal impact on existing functionality. 

In essence, SOLID is not about writing more code—it is about writing better-structured code that stands the test of time.

Day 1: Introduction to SOLID Principles: Day 1 PDF

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Learn Programming Fundamentals

 A lot of developers and students tell me the same thing:

“I watch tutorials… but my fundamentals are still weak.”

That’s why I’ve started building something new.

I’m creating short, simple content on:

• OOP & clean code
• Design principles (SOLID, architecture)
• How things actually work under the hood

No hype. No shortcuts. Just fundamentals that make you a better engineer.

I’m sharing this on Instagram and YouTube so people can learn in small daily doses.

If you believe strong fundamentals create strong careers,

you’re welcome to join me here 👇

▶️ YouTube:

https://www.youtube.com/@FundamentallyClean

📸 Instagram:

https://www.instagram.com/fundamentallyclean/

Revisiting OOPS : 30 Days Fundamental Series

Learn OOPS the Right Way 

OOPS should not be memorized. It should be understood step by step, with real-life examples and clear reasoning. 

That’s why I’m running a 30-day OOPS Fundamentals series, where I break down: 

•  core OOPS concepts 
•  real-world analogies 
•  common beginner mistakes 
•  clean design thinking 

📘 One concept per day. 

🧠 No unnecessary syntax. 

🎯 Strong fundamentals. 

 👉 Visit my page to follow the series and learn OOPS with clarity, not confusion. 

 If you’re learning programming or revisiting fundamentals, this series will help you build a solid foundation that actually lasts. 

Visit Instagram: https://www.instagram.com/fundamentallyclean/ 

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