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Questions tagged [use-case-diagram]

191 questions
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Is a Generalization between primary & secondary Actor allowed?

Is it allowed in UML to generate arrow as follows between Administrator and Member ? On one hand, Admin is a secondary actor because he will react according members actions. On the other hand, he amends the website's content and can do everything a…
Tarantino
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Same use case with different behaviour for inherited actor in UML

I want to model the following behaviour: When an administrator creates a blogpost, then it is something different compared to when an user creates a blogpost, as for example the moderator is involved in the create blogpost use case, as he verifies…
Husky
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which is the correct way to use in Use Case Diagram

I just create this diagram can anyone tell me if these 2 pictures are correct or wrong and which one should I use?, can anyone tell which is correct in these 2 pictures.
Sanity
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Use case diagram relationships and application workflow

I want to create a use case diagram (along with use case scenarios) for my application, but I'm not very familiar with that. My app has a couple of screens, every screen contains some functionality that user can interact with. Let's assume that it's…
tttddd
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UML Use Case - Do I use it right?

I am to create a UseCase diagram for an existing web program. Unfortunately I am very unsure about UseCase, I like to mix it with other UMLs. For this purpose, I have picked out the order page. There are 3 different users, the admin, driver and…
Daniel H
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Use-case diagram for payment scenario

I want to clarify one scenario in use-case diagram which involve in payment. There are 2 way of doing a payment. Using card Using mobile number Here want to clarify about the second one. To do a mobile base payment first user need to add the…
D.madushanka
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How do I present in a Uml use-case Diagram a toolbar

I am new to object oriented design and I wanted to do my first ever UML use case Diagram on a simple application which contains toolbar on the top left corner. The toolbar is called files and when the user clicks on it,a drop down menu is opened…
GEORGI DIMITROV
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Which one is the external system actors?

I have Use case like this. This is an Emergency Monitoring Use Case and actors, which one is the external system actors? I just learn Use Case Diagram, and I think the answer is Monitoring Operator, But I confused with the another actor, especially…
Franky1790
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What is the difference between use-case diagram and sequence diagram in unified process model?

I'm studying UML and I am confused.Could anyone explain me What is the difference between use-case diagram and sequence diagram in unified process model?
anna
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Why there is no include link between create and delete use cases

I have seen on the internet many examples of use cases diagrams (in UML) as this one: What I see is that the delete use case does not include the create use case. Even though I can't imagine deleting a user without creating it. I wonder why it is…
celia
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General question about Use Case diagram - UML

is the relation between the actor and UseCase allowed to be there? since UseCase2 includes UseCase
Mostfa shma
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Is included in use case read as for each time or one time?

So, I have designed a use case diagram. But im having a confusion about the use of included. It is regarding a student management system. A student can register for a module only if he has enrolled in a course. The issue is that if I put included…
user13404543
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Should I put included use cases from use case diagram in my class diagram?

So, I have designed a use case for a student online system. The issue is that some of my base cases are subdivided into many included cases. For instance, to generate marksheet as a staff, my included use cases are: select student, select course,…
user13404543
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I want to create a Use Case Diagram of a Brick Breaker game, is mine correct?

I've never made a use-case diagram before so I'm wondering if mine is correct or not.
MarrionBerry
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UML use case diagram for a plugin performing various functions through importing a CSV

I'm creating a plug-in which adds various functions on top of a core application. The plug-in gives administrators the ability to upload a CSV file and performs the following functions depending on the information entered in the file (by performing…
Itsme
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