Developing Retailing Management System for a Store

1. Identify all the nouns in the narrative and categorize them into five categories. 2. Develop a Domain Model Class Diagram for the system based on the provided information. Include multiplicities for associations.

1. - Checkout: domain class - Item: domain class - Cashier: domain class - Retailing management system: domain class - Running total: attribute - Purchase: attribute - Payment: domain class - Cash: input/output - Credit card: input/output - Card information: attribute - Validation: input/output - Payment amount: attribute - Change: output - Receipt: output 2. The Domain Model Class Diagram for the system is as follows: Checkout ------ Item - purchase - payment Retailing management system ------ Payment - paymentMethod: String - cardNumber: int - cardName: string - amount: double Cashier - checkout() - recordItem() - makePayment() - printReceipt() Explanation: In the diagram, there is a many-to-many relationship between Checkout and Item, indicating that one checkout can have multiple items and one item can appear in multiple checkouts. The Retailing management system class has associations with both Payment and Cashier, showing that it interacts with both of these classes. The Payment class includes attributes for payment method, card number, card name, and amount. The Cashier class includes methods for checkout, recording items, making payments, and printing receipts.

Domain Class Nouns Categorization:

- Domain Class: Checkout, Item, Cashier, Retailing management system, Payment - Attribute: Running total, Purchase, Card information, Payment amount - Input/Output: Cash, Credit card, Validation - Output: Change, Receipt

Domain Model Class Diagram Explanation:

The Domain Model Class Diagram provided showcases the relationships between the various classes in the retailing management system. - The Checkout class has a one-to-many relationship with the Item class, as a single checkout can contain multiple items. - The Retailing management system class interacts with both the Payment and Cashier classes, indicating its role in managing payments and checkout processes. - The Payment class includes attributes related to payment information, such as the method of payment, card details for credit card transactions, and the payment amount. - The Cashier class includes methods for handling the checkout process, recording items, processing payments, and generating receipts. Overall, the Domain Model Class Diagram visually represents the structure of the retailing management system and illustrates how different classes and their attributes are interconnected to facilitate the store's operations efficiently.
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