Part II (10 points) – Functional and Interaction Modeling An…
Part II (10 points) – Functional and Interaction Modeling An e-commerce system such as Amazon or E-Bay enables vendors to list items and customers to search and purchase items. The payment of the items is through a third party such as PayPal or a credit card company. The purchased items are shipped through a third-party company such as Amazon or UPS, which can be tracked. Customers can also return the items within a specified time frame to get refund. Note: only focus on the online functionalities of the system, not physical delivery of the items. (7 points) Develop a Functional Model based on the above system description using a Use Case Diagram (make sure to use correct notation of Use Case Diagrams) (3 points) Define the workflow (the sequence of actor and system interactions) for the use case of a customer “Purchase Items” using an Activity Diagram (make sure to use correct notation of Activity Diagrams)
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