Observer Design Pattern Explained | Real world Example + Code Walkthrough | LLD | Tamil

Published: 18 June 2025
on channel: Devaraj Umapathi

2,934

In this video, we’ll break down the Observer Design Pattern using a real-world scenario — Amazon’s “Notify Me on Launch” feature for product sales like the iPhone!

✅ Chapters:
0:00 Introduction
0:52 What is Observer Pattern
2:08 Real-World Analogy
4:33 Code Explanation
14:35 Wrap-up

💻 GitHub Code:
java - https://github.com/Devaraj-Umapathi/L...
python - https://github.com/Devaraj-Umapathi/L...

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