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CE/CS/SE 3354, Software Engineering Team Assignment #3-Bank Loan Desig From the lecture on use cases Bank loan system. When someone, i.e., a customer, wants to borrow money, the customer goes to a bank and asks the Loan Officer to borrow the money. The Loan Officer shall check the credit rating of the potential customer with a Credit Rating Agency. The Loan Officer shall appraise the collateral offered to secure the loan. If the estimated value of the collateral exceeds the loan amount, and the customer has a good credit rating, then the Loan Officer cuts a check for the amount loaned and records the relevant information on the terms of the loan Look at the use case in the lecture to get additional insights useful for this assignment. 1. What actors can you identify for this system? (10 points) 2. Draw a UML class diagram to capture a static view of the system (50 points) 3. Draw a UML sequence diagram to capture a dynamic view of this system. (40 points)

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Solution: 1. We can identify three actors for the bank load system: Customer . Loan Officer Credit rating agency Explanation: . The actor arerwboepetes rue te ecetion of he se aus . Here the Customer, Loan Officer, and the Credit rating agency will undergo the operations thatcan be considered as use cases. 2. Class diagram describes the class structure of the system be depicting the classes and the interrelationship between them in the system The UMIL class diagram for the bank loan system:

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