Architecture & LLD

Decorator Pattern

Architecture & LLD Preview

Decorator Pattern

Attach new behaviors to objects dynamically by placing them inside special wrapper objects.

Decorator pattern allows behavior to be added to an individual object, dynamically, without affecting the behavior of other objects from the same class.

Core Design Challenge

"How do we add features to an object at runtime without using inheritance?"

What You'll Learn:

  • Attaching new behaviors to objects dynamically at runtime
  • Wrapping objects recursively without subclassing
  • Adhering to the Open/Closed Principle for class extension
  • Maintaining the same interface for wrappers and delegates
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