Questions tagged [use-case-diagram]

191 questions
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Clients requirements on use case diagram

I want to create a use case diagram based on customer requirements (pnline food ordering system), which are for example ensure on-time delivery process and package orders promote the pizza shop How can I put these requirements on use case diagram?…
PoloOlo
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Use Case Diagram - two actors to one use case

I want a use case - store information system. I am to present the owner's requirements on a use case diagram, incl. a customer who, after logging in, does shopping, and an admin, who after logging in, manages prices, etc. Can I log into the system…
PoloOlo
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What's the difference between extension use case and parent use case?

I'm so confused about the difference between extension use case and parent use case in Use case diagram. I would like to know when can I use the extend and when can I use the parent use case? For example : Print Slip extend Confirm pay through…
abdou_dev
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How to portray visibility in Use Case Diagram

Context Imagine an Event Management website where event planners can post events. Say we have three Actors: a non-registered user, registered user and an Event Planner. Event planner can post events which can be public (non-registered users can see…
Programer Beginner
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Fixing a Use Case Diagram: actor boundaries and generalization

I am trying to create an use case diagram regarding an Scooter system. I already created the diagram, which you can find it in here: Use Case Diagram: I got some comments regarding this diagram which were: The system (or scooter provider) is not…
Ornela
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Can two actors both required for a usecase be the same person?

I have been presented with the following use case diagram. The given question was "How many people are required for the Use Case?". I was taught, that Actors are used to model certain roles in the domain and that a "real" person can take multiple…
tistorm
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Is there a way to add time to use case?

I'm trying to build a Use Case diagram for Automated Examing System, one of the requirements is: The system can start a timer for the exam, and stops it at a certain time, with that, the examinees won't be able to continue. is there a way to do that…
HG9
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UML diagram use case condition

I am creating use-case diagram. I have two actors: user and admin. Admin can check all orders, and user can check only his/her orders. Should I create two use cases in my UML diagram, or I can use one use case with condition for user actor? If I can…
IntoTheDeep
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External Entities in Use Case Diagram (UCD UML 2.0)

I'm confused about the meaning of "external entity" when I'm looking for the Actors of the System. For example, if the Case Study is a Washing Machine does the Actor "Power" that delivers power to the Machine exists? Is the "Power" an external…
user8286105
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How can I draw a use case diagram for the report type?

How can I draw a use case diagram for the following? Teachers are able to see Exam reports and administrators are able to see Entire report in The reports of my program. Actors are able to Search Reports ,save and print their reports.
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Use case Actor generalization

Is my use case diagram correct ? I need help to know if my use case diagram is correct or not, and if the actor admin inherits from manager, and manager inherits from technician, does that mean the generalization between admin and technician is…
Mohamed
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Can Have Parent Actor more than One Child Actors In Use Case Diagram

In my Usecase Diagram : Bidder and Seller both inherit from Guest. Is this Correct? or is there another way to do it?
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Why Did We Remove Single <> in Given Diagram

While I am following an object oriented course, I am faced with a statement that is kinda strange. I couldn't understand why we would remove UC4 from the given image. And if it is wrong, then similar UC which is below (Download Docs) also must be…
Umut
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use case diagram one of cases one of the cases must be completed in order for the other to be completed

I'm a little stuck on one question.In order for the ad to be "Premium", one of the three options must be selected. If none is selected, then the ad will be common. Can I somehow clarify this in this diagram, or is it acceptable in this form as it is…
Smth_Unknown
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Suppose a class acts as an actor in the use case model. How will you represent it in the class diagram?

i am confused in whether how a use case and a class diagram are reated? what i mean to ask is if i have a use case diagram how can i convert it into the class diagram or vice versa. and also the above question. I.m.o. the actor should be the name of…
a.sin
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