SOLID Principles | Guidelines for OO programming | SRP | OCP | LSP | ISP | DIP
Master SOLID Principles in Object-Oriented Programming (OOP) - With C++ Examples!
Are you learning Object-Oriented Programming and want to write clean, maintainable, and scalable code? This video is your complete guide to SOLID principles, explained step-by-step with real-world C++ examples and class diagrams!
🔍 In this video, you’ll learn:
✅ What is SOLID and what it stands for
✅ Why SOLID principles are important for large and complex projects
✅ Purpose, benefits, and key features of each principle
✅ Deep dive into each principle:
S - Single Responsibility Principle (SRP)
O - Open/Closed Principle (OCP)
L - Liskov Substitution Principle (LSP)
I - Interface Segregation Principle (ISP)
D - Dependency Inversion Principle (DIP)
✅ When to use each principle and when not to
✅ Code examples in C++, along with class diagrams
✅ Real-life applications in software development
✅ How to practice and apply SOLID principles in your own projects
Perfect for:
Beginners learning Object-Oriented Programming
Students preparing for coding interviews
Developers looking to refactor their code
Anyone learning C++ design principles
💡 At the end, I guide you on how to actually apply SOLID principles in real codebases and improve your coding style.
📌 Chapters:
00:00 - Introduction
01:18 - What is SOLID? Purpose & Features
7:15 - SRP (Single Responsibility Principle) - Definition, Features, When to use, How to Apply
10:14 - SRP (Single Responsibility Principle) - Example with class diagram
12:57 - SRP (Single Responsibility Principle) - Code in C++ demonstrating how example works
17:20 - SRP (Single Responsibility Principle) - More examples
20:30 - SRP (Single Responsibility Principle) - How it helps & Applications
25:28 - OCP (Open/Closed Principle) - Definition, Features, When to use, How to Apply
30:43 - OCP (Open/Closed Principle) - Example with class diagram
38:18 - OCP (Open/Closed Principle) - Code in C++ demonstrating how example works
47:00 - OCP (Open/Closed Principle) - More examples
49:41 - OCP (Open/Closed Principle) - How it helps & Applications
54:07 - LSP (Liskov Substitution Principle) - Definition, Features, When to use, How to Apply
01:00:34 - LSP (Liskov Substitution Principle) - Example 1 with class diagram : CASE 1 : Add new behaviour that are not present in the base class
01:06:50 - LSP (Liskov Substitution Principle) - Code in C++ demonstrating how example 1 works
01:12:08 - LSP (Liskov Substitution Principle) - Example 2 with class diagram : CASE 2 : Change existing behaviour in a way that violates expectations
01:19:47 - LSP (Liskov Substitution Principle) - Code in C++ demonstrating how example 2 works
01:23:51 - LSP (Liskov Substitution Principle) - Example 3 with class diagram : CASE 3 : Force unnecessary behaviour on derived class
01:28:22 - LSP (Liskov Substitution Principle) - Code in C++ demonstrating how example 3 works
01:31:32 - LSP (Liskov Substitution Principle) - How it helps & Applications
01:37:05 - ISP (Interface Segregation Principle) - Definition, Features, When to use, How to Apply
01:42:36 - ISP (Interface Segregation Principle) - Example with class diagram
01:47:52 - ISP (Interface Segregation Principle) - Code in C++ demonstrating how example works
01:53:10 - ISP (Interface Segregation Principle) - How it helps & Applications
01:57:44 - DIP (Dependency Inversion Principle) - Definition, Features, When to use, How to Apply
02:02:12 - DIP (Dependency Inversion Principle) - Example with class diagram
02:08:05 - DIP (Dependency Inversion Principle) - Code in C++ demonstrating how example works
02:13:36 - DIP (Dependency Inversion Principle) - How it helps & Applications
02:17:02 - How to Learn and Apply SOLID Principles
🧠 Who Should Watch?
✅ B.Tech/M.Tech Computer Science students
✅ JEE/GATE/UGC-NET aspirants
✅ Interview & placement preparation
✅ Anyone learning OOP in C++ from scratch or for revision
🔔 Don’t forget to:
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💬 Comment your thoughts and questions
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🎥 With Live programming examples in support
🌐 Visit: http://lakhanpalpublishers.com/index
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