13+ Use Case Description. After the user has selected items to purchase and then order the items. A use case is not a place to write down long, detailed, technical algorithm designs.
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In software and systems engineering, a use case is a list of actions or event steps typically defining the interactions between a role (known in the unified modeling language (uml) as an actor). A use case defines what needs to happen upon a particular action in order for that action to be completed successfully. It outlines, from a user's point of view, a system's behavior as it responds to a request.
A use case defines what needs to happen upon a particular action in order for that action to be completed successfully.
13+ Use Case Description. It outlines, from a user's point of view, a system's behavior as it responds to a request. Use case diagram is a behavioral uml diagram type and frequently used to analyze various systems. I'll show you an example of this in a second. After the user has selected items to purchase and then order the items.
