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LLD Interview Notes: Day 17/50

LLD Interview Notes: Day 17/50 Topic: Decorator Pattern How do you add new features to an object without modifying its…

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LLD Interview Notes: Day 17/50 Topic: Decorator Pattern How do you add new features to an object without modifying its existing class or creating a huge inheritance hierarchy? That's where the Decorator Pattern comes in. 1. What Is the Decorator Pattern? A structural design pattern that dynamically adds behavior to an object by wrapping it with another object that implements the same interface. It follows the principle of composition over inheritance. 2. How It Works Define a common interface.Create a concrete component with the basic behavior.Create a decorator that implements the sam

Posted by SCR (8.4k followers) 10 h ago · 42 likes · 1.1k views · view the original post on X. Kept by the Dev Radar as Careers & learning.

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