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Activity Diagram Cash Withdrawal from The ATM
In your previous readings about object and process modeling, you learned about the importance of different diagrams in system design. You also learned about the importance of the Unified Modeling Language (UML), which is used to communicate to different types of stakeholders, including clients, businesspeople, and developers. Different types of UML diagrams represent different “views” of a system.
In this assignment, you will focus more specifically on two types of UML diagrams: a UML activity diagram and a UML sequence diagram. You will be asked to interpret the diagrams, which will help reinforce an understanding of how these diagrams are used to communicate a system’s design. You will also be asked to make improvements to one of the diagrams, which will help support your work in creating your own UML activity and sequence diagrams for Project Two.
In this assignment, you will analyze one use case of an ATM. You will be asked to interpret the UML activity and sequence diagrams for this use case. Then you will make improvements to one of the UML diagrams using a CASE tool.
Review the following UML activity and sequence diagrams. Remember, both diagrams describe the same use case, just from different viewpoints. A version with alternative text is also available: Module Six Assignment UML Activity and Sequence Diagrams With Alternative Text.
Write a short, paragraph-length response interpreting the diagrams. Be sure to address the following questions:
What use case is being described by these diagrams?
What interactions are involved in this use case? What information is being passed back and forth?
These diagrams describe one basic design for this use case. Analyze the design by identifying at least two deficiencies in the logic or functionality of the current design. Think about ways that you could address these deficiencies to improve the logic or functionality of the design.
Choose one of the deficiencies that you identified. Then reconstruct a UML activity or sequence diagram to improve functionality. Use the CASE tool Lucidchart to reconstruct the diagram. Be sure to use proper UML notation and diagram flow.
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