The Unified Modeling Language is the industry standard for modeling software-intensive systems.

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How to consider the login function collecting requirements of an application? is it a user requirement?

I am working on an application that expected to the user logs in when the application is started (as for example it is in Skype: the user open the application and appear to him a login mask when he ...
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2answers
262 views

Object inheritance and method parameters/return types - Please check my logic

I'm preparing for a test and doing practice questions, this one in particular I am unsure I did correctly: We are given a very simple UML diagram to demonstrate inheritance: I hope this is clear, it ...
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1answer
51 views

How to capture “Display advertisement” use case?

What kind of use case it would be for to "show ad in part of the view"? Who could be the actor to relate with? User or System? As user has no specific goal to see ads, i am wondering what is the best ...
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1answer
76 views

How to depict Import a file action in the Sequence diagram

Everyone says sequence diagrams are so easy but I just cannot figure this out. Basically user clicks on an 'Import from temp folder' button, the program opens a window with a list populated with ...
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1answer
145 views

UML Receptions and AcceptEventActions

What shall be the relationship between the receptions of a class (was classifier before Aadaam correction) and the AcceptEventActions in the activity describing the behavior of its instances? I ...
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52 views

Inheriting variables from another class

just started learning UML. i want to develop UML from database design. there are two tables orders and customers orders table have customer id of customers table by foreign key. how to convert ...
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86 views

UML diagram for an existing implementation

I have some code, which I want to present in UML, but I've stuck at one point. Let me tell you something about code's functionality. I have a workspace in which I can place some Components, select ...
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0answers
94 views

UML activity diagram: How to end activity after Event Signal Action?

To my knowledge, event signal actions are not allowed to have output control flow, so how can I model the end of an activity after a event signal action? The same issue arises for accept event actions ...
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62 views

Where to set the model in this design (service-provider pattern)?

we are modelling an application using the "Service-Provider" pattern, where the service will offer a generic functionality implemented by different providers registered on the service. The ...
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Inheritance and constricted referencing

Let's say I have BaseA and BaseB classes. BaseB can have to several references of BaseA instances. Now, we have two other classes, DerivedA and DerivedB that respectively inherit from BaseA and BaseB. ...
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35 views

How to put sensor into my deployment diagram

I am just working on a project which asked me to draw a deployment diagram, here I am confused about how to put sensor into deployment diagram. Project said, there are 6 buildings has 6 computers to ...
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90 views

Visual Studio UML reference to another modeling project

I am creating several components and have broken them into different class diagrams / modeling projects. I have to do this because a single diagram simply isn't big enough. Is there a way for a ...