Software Architecture · interview question
A Java e-commerce application needs to trigger different workflows based on order status changes. How can the Observer Pattern help achieve this?
Multiple choiceMediumchapter-13-curatedpremiumsoftware-architectureobserver-pattern
Answer and explanation
Correct answer
C. By allowing workflows to subscribe to order status updates.
Why
The Observer Pattern allows different workflows to subscribe as observers to order status changes. When a change occurs, the observers are notified and can execute their respective workflows without modifying the order processing logic.
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