Questions tagged [uml]
The Unified Modeling Language is the industry standard for modeling software-intensive systems.
668 questions
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Single or multiple use cases for alternative actions in the same flow?
I’m modeling a use case diagram for an online marketplace system.
In one of my use cases, the seller can perform three different actions:
Accept an offer → closes the negotiation,
Reject an offer → ...
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How should I model the external entity and actor in my DFDs and UC Diagram for an app used by the QA officer (and possibly other staff) in an agency?
I’m creating a 0- and 1-Level DFD, along with a UC Diagram, for a data cleansing web application for a government agency.
The primary user of the system is the agency’s Quality Assurance (QA) Officer.
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Do these diagrams correctly model Git file state transitions?
I am in the process of engineering some UML state diagrams to explicitly model the transitions among Git’s file states: TRACKED, UNTRACKED, UNMODIFIED, MODIFIED, UNSTAGED, and STAGED. The diagrams I’...
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Uml State Machine - how many final states?
I would like to know how many Final States an UML State Machine diagram can have.
In this OpenCF online book, I read this:
Some models may have more than one initial state or more than one final ...
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Visibility between UML packages
I have been reading the book "OCUP 2 Certification Guide : Preparing for the OMG Certified UML 2. 5 Professional 2 Foundation Exam". Where-in I am unconvinced with the answer option provided ...
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UML class diagram for RBAC. I don't know if the permissions and roles are properly set
I am trying to create a UML class diagram using RBAC. I am new to this language and trying to make sense of it. I am attempting to showcase permissions to specific roles. I am not sure whether that is ...
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Creating sequence diagrams for use cases
If I create a sequence diagram for a use case, should the objects in the sequence diagram be based on the methods and classes in the class diagram, or is that not necessarily required?
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use case relationship generalization
I'm creating a use case diagram. Is it correct to make gaining muscle/maintaining weight/losing weight a generalization? Or do you think I should just delete those use cases? I mean the use case of ...
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Diagram for Parallel processes
What type of diagram can I use to model parallel processes interacting with a shared set of resources, along with the state of those resources at each point in time?
My motivation is I have a bug that ...
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How do you sketch two partitions communicating with one another in UML sequence diagrams?
I have a system that is divided into partitions (avionics system). THe basic means of sending and receiving information is via read and write calls to a certain port. The reading and writing is ...
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Is my use case diagram about AI expertizer interpretable?
I have this Use-case diagram:
Stop Scroll Here!!!
What is your first impression about the use case? I mean is it interpretable intuitively? After you answer it, I will explain what that use case is ...
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How to adjust the component diagram in this case for better readability?
I have created a Python code where a main algorithm uses three different modules (.py) after importing them.
To illustrate and describe it I have create the following component diagram?
Could it be ...
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UML: Association vs operation
I want model something in class diagram. sometime it seems you can use association or just operation. for example User and Product, should they have association with name Add or should class User have ...
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Does the current Use Case Diagram clearly represent how users interact with the system?
Detailed Idea for the Dermatech System
Main Idea of the System:
Dermatech is an AI-based system that operates through a mobile application, designed to assist users in diagnosing primary skin ...
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Is the activation box allowed to hang across the entire life line or is stacking them a better option? [duplicate]
I'm trying to learn UML, and right now I'm focusing on sequence diagrams. I'm trying to represent this Java code in a diagram.
I'm very unsure about the activation boxes. Could somebody maybe provide ...
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