Create a uml diagram | Computer Science homework help

 This assignment is based on the use case described below. You are to create a sequence diagram and class diagram to support the Alternative Flow 4.1. Do not include items in your diagrams for the Normal Flow. Do not include items for the Preconditions. On your sequence diagram note the GRASP patterns you used to make your decisions. Submit your assignment in PDF format. I found that creating the diagrams in Lucidchart and then annotating them in PowerPoint was pretty efficient. Be sure to base your design on a layered architecture using the separation of concerns principle (i.e., no messages from the domain layer to the UI layer). Figure 8-3, page 150, Wiegers and Beatty – Software Requirements, 3rd Edition

 
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