Answer to Question #197077 in Software Engineering for Baudouin

Question

Consider the online auction site described in Problem 2.31 (Chapter 2, Page no 165). Suppose you want to employ the Publish-Subscribe (also known as Observer) design pattern in your design solution for Problem 2.31. Which classes should implement the Publisher interface? Which classes should implement the Subscriber interface? Explain your answer. (Note: You can introduce new classes or additional methods on the existing classes if you feel it necessary for solution.).

Answer 1

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