Use Case Model
Actor
- Actor is something external to the system and interacts with the system
- Actor may be a human being, device or some other software system
- For library system, actors might be a
➤Librarian
➤Borrower
A use case represents sequence of actions performed by the system that yields an observable result of value for a particular actor. Use case represents a functional requirement of a system.
For library system, we can find the following use cases
- Login
- Search
- Browse
- Checkout item
- Return item
- Make reservation
- Cancel reservation
- Manage titles
- Manage items
- Manage borrowers
- Manage librarians
Use Case Diagram
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