Software Architecture · interview question
When using the Observer Pattern, what role does the 'subject' play?
Multiple choiceMediumchapter-13-curatedpremiumsoftware-architectureobserver-pattern
Answer and explanation
Correct answer
C. It keeps track of observers and notifies them of changes.
Why
In the Observer Pattern, the subject maintains a list of observers and notifies them of any changes, acting as the central point of communication for event-driven updates.
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