Builder Design Pattern Explained with Python Example | Low Level Design - Lesson 22

i5 processor, 8GB RAM, black color, 15 inch screen... you customize your laptop step by step and hit "Build". That's exactly how the Builder Design Pattern works!

In this video, I explain the Builder Pattern using a Laptop Customizer example. Instead of passing 10 parameters to a messy constructor, you build the object step by step using method chaining, picking only what you need.

🔥 What you'll learn:
✅ What is Builder Design Pattern
✅ When and why to use it
✅ Laptop customization example with method chaining
✅ How method chaining works by returning self
✅ Why Builder Pattern beats telescoping constructors
✅ How Builder Pattern is asked in LLD interviews
📚 This is part of my FREE Low Level Design (LLD) Course in Python.

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