Unity Certified Professional Programmer Practice Questions - Unity Certified Professional Programmer Exam

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You need many systems (audio, achievements, analytics) to react when the player dies, but you do not want PlayerHealth to know about any of them. Which design pattern most cleanly enables this one-to-many decoupled notification?

Singleton pattern applied to every listener Factory pattern to build the listeners Object pool pattern for the death event Observer pattern (e.g., a C# event or UnityEvent that listeners subscribe to)

Correct Answer:

Observer pattern (e.g., a C# event or UnityEvent that listeners subscribe to)

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