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Print this chapterUse Case Concepts in Object-Oriented Analysis
Use cases are a powerful way of modeling what the system needs to do. Read this section to learn about use case diagrams and how they capture functional requirements.
4. Identified Actors and Their Related Use Cases for the POST system
Applying the techniques used to identify use cases, we can have a sample list (not an exhaustive) of relevant actors and use cases as shown in Table 3.9
Table 3.9: Actors and Use Cases for POST System
| Actor | Use Case |
| Cashier | Log In / Logout Cash Out |
| Customer | Buy Items: uses • By cash Refund Items• By credit |
| Manager | Start Up Shut Down |
| System Administrator | Add New Users |