Software Architecture · interview question
Which method must be implemented by a class acting as an observer in Java's Observer Pattern?
Multiple choiceEasychapter-13-curatedpremiumsoftware-architectureobserver-pattern
Answer and explanation
Correct answer
B. Update()
Why
The update() method is required to be implemented in classes acting as observers, as it is called by the subject to notify the observer of changes or events.
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