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LLD Interview Notes: Day 16/50

LLD Interview Notes: Day 16/50 Topic: Observer Pattern What if one object's state changes and multiple other objects…

This is a dev post classified by AGK Intelligence as Careers & learning (a tutorial), kept by the Dev Radar because it carries real work, not commentary.

LLD Interview Notes: Day 16/50 Topic: Observer Pattern What if one object's state changes and multiple other objects need to be notified automatically? That's exactly what the Observer Pattern solves. 1. What Is the Observer Pattern? A behavioral design pattern where one object, called the Subject, notifies multiple dependent objects, called Observers, whenever its state changes. It creates a one-to-many relationship without tightly coupling the objects. 2. How It Works Subject maintains a list of observers. Observers subscribe to receive updates. When the subject changes, it notifies

Posted by SCR (8.4k followers) 2 days ago · 39 likes · 987 views · view the original post on X. Kept by the Dev Radar as Careers & learning.

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