Software Architecture · interview question
Why do teams use the Observer Pattern over a simple callback mechanism in production code?
Multiple choiceMediumchapter-13-curatedpremiumsoftware-architectureobserver-pattern
Answer and explanation
Correct answer
A. It allows multiple independent observers to be notified.
Why
The Observer Pattern allows multiple independent observers to be notified of changes, providing flexibility and decoupling, as opposed to a simple callback mechanism which may be limited to a single listener.
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