Use case diagram for a department store credit card system. Include at least two actors and four use cases
To create a use case diagram for a department store credit card system, we need to identify the actors and use cases involved. Here's how you can do it:
Step 1: Identify the Actors:
Actors represent the external entities interacting with the system. In a department store credit card system, common actors can be:
1. Customer: This actor represents the store's credit card holder who uses the system for various activities like making purchases, checking statements, etc.
2. Store Employee: This actor represents the employees working in the department store who perform tasks related to managing and assisting customers with the credit card system.
Step 2: Identify the Use Cases:
Use cases represent the specific functionalities or actions that the system provides to the actors. In a department store credit card system, you can consider the following use cases:
1. Apply for Credit Card: This use case allows a customer to apply for a credit card offered by the department store. It involves providing personal information, credit history, and other required details.
2. Make a Purchase: This use case enables the customer to use their credit card to make purchases within the department store. It involves deducting the purchase amount from the customer's available credit limit.
3. View Statement: This use case allows the customer to view their monthly credit card statement, including details of purchases, payments, and balances.
4. Customer Support: This use case includes various customer support services, such as addressing inquiries, disputing transactions, or updating contact information.
Step 3: Create the Use Case Diagram:
Now that we have identified the actors and use cases, we can create a use case diagram. To do this, follow these steps:
1. Draw a rectangle in the center of the diagram and write the name of your system (e.g., "Department Store Credit Card System").
2. Place the actor symbols (stick figures) on the left side of the rectangle to represent the customer and the store employee.
3. Draw arrows from each actor to the use cases they are associated with. For example, draw an arrow from the customer to the use case "Apply for Credit Card" and another arrow from the customer to "Make a Purchase." Similarly, draw arrows from the store employee to the "View Statement" and "Customer Support" use cases.
4. Label each arrow with the name of the relationship between the actor and the use case (e.g., "Applies for" for the relationship between the customer and "Apply for Credit Card").
5. Finally, you can add any additional details or relationships specific to your system, such as associations between use cases or relationships between actors.
This use case diagram will provide a visual representation of the interactions between the actors and the system's functionalities in the department store credit card system.