Draw the class diagram for these scenarios for entities it should have primary key. Scenario 1 A hotel caters mainly to company retreat groups, and wants to model this information to use in a management system.  A retreat group consists of a number of that company’s employees as hotel guests.  The system needs to track which room each guest stayed in, as well as which group the guest is part of. Scenario 2 A library wants to model information about its inventory, and which patrons have which books checked out.  The library can have multiple copies of a single title, and the model needs to indicate which copy of the title is checked out by a particular patron. Scenario 3 A doctor's office providing health services needs to track all of its patient visits.  The date of the visit, along with any diagnoses needs to be stored.  Keep in mind that a patient can have more than one diagnosis per visit, and that any particular diagnosis can be made to multiple

In this unit, we explore the structured approach to modeling business processes.  In this practical assignment, using the business process of a fictional package delivery service (a courier company) called On the Spot Courier Services, you will create data flow diagrams that demonstrate the business processes that would need to be supported by a new system. Scenario: When Bill got an order, at first, only on his phone, he recorded when he received the call and when the shipment would be ready for pickup. Sometimes, customers wanted immediate pickup; sometimes, they were calling to schedule a later time in the day for pickup. Once he arrived at the pickup location, Bill collected the packages. It was not uncommon for the customer to have several packages for delivery. In addition to the name and address of the delivery location, he also recorded the time of pickup. He noted the desired delivery time, the location of the delivery, and the weight of the package to determine the courier…

Background: The question revolves around class diagrams, specifically the differences between class diagrams in analysis and those in design.  The Question: I am wanting to know what two separate class diagrams that depict a banking system would look like (One diagram for the analysis phase, another depicting the design phase). I am not looking for anything complex, just two simple class diagrams that involve only four classes with in them: Bank, Account, Customer, & Transaction; that will highlight the differences between the analysis phase and the design phase for a banking system.   Please and thank you

Draw a diagram for use case for vending machine. 1. Actors: • User: Interacts with the vending machine to make a purchase. • Maintenance Personnel: Responsible for restocking the vending machine and performing maintenance tasks. 2. Use Cases: • Select Product: The user selects a product they want to purchase. • Insert Payment: The user inserts the required payment (e.g., coins, bills, or cards). • Validate Payment: The vending machine verifies the payment provided by the user. • Dispense Product: If the payment is validated, the vending machine dispenses the selected product. • Provide Change: If the user's payment exceeds the product's price, the vending machine provides change. • Refill Stock: Maintenance personnel refills the vending machine with products when they run out. • Perform Maintenance: Maintenance personnel performs routine maintenance tasks on the vending machine. 3. Relationships: • User interacts with the vending machine to perform use cases such as selecting a…