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

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1answer
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What is a combined fragment in a UML Sequence Diagram?

Everything is in the question. I just discover this new feature and I don't really understand what it stands for. I know that it can represent loop, alternative in the sequence diagram. Can someone ...
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3answers
604 views

Can you use UML in a TDD project?

If so, at what stage? or it is also an iterative process? If iterative, how formal? Also, how useful is UML for a solo programmer doing open source? While I like to see a picture of the system, it ...
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4answers
210 views

Is defining every method/state per object in a series of UML diagrams representative of MDA in general?

I am currently working on a project where we use a framework that combines code generation and ORM together with UML to develop software. Methods are added to UML classes and are generated into ...
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5answers
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Do you create a design with UML before you start? [duplicate]

Possible Duplicate: How often do you use Formal UML? I'm currently following a study UML called UML Fundamentals. While studying, I wondered if companies even bother creating system ...
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5answers
450 views

What is the standard for modeling modern applications prior to development?

I'm taking on my first enterprise-level application and I want my team to model the entire ASP.NET MVC C# application before we even tap out one line of code. UPDATE: This was not intended to be a ...
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7answers
367 views

System analysis at the begining of the project

When I want to develop a new application, first I'm going to design a UML and specify project details and definition. But when I start development process, I determine that I should change some parts ...
3
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1answer
368 views

Which UML colors should this example be represented by?

See UML colors here. Here is the example, I have following entity classes: User(name) MailBox(owner: User, label) Mail(from: User, to: User, subject, body, composeTime) MailCopy(type, from: User, ...
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2answers
206 views

Should framework classes (e.g. .NET, Java) be included in UML diagram?

Say in a UML Sequence diagram, I am showing a call to the database using ADO.NET. Do I need to include the SqlConnection, SqlCommand, SqlDataReader object in the diagram? Is it just preference ...
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1answer
170 views

logical subsystem & physical subsystem

I've done a google search on both of them, can't find much information. I was wondering what is a logical subsystem and physical subsystem (in an object-oriented system)? Also why would it be useful ...
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2answers
600 views

How do you represent container classes in UML?

When drawing out quick class diagrams, I'm often at a loss how to represent classes that are used just to pass data around between various parts of the program. I've been putting them out in the ...
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2answers
175 views

How to do this in Standard UML?

In the below Sequence diagram, when the user have entered the Username and Password, I have to do the authentication. Now you can see two details valid details and invalid detail in the diagram , ...
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10answers
839 views

How useful is UML if you are a developer working alone in a project

How useful is UML if you are a developer working alone in a project?
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4answers
8k views

Advantages & Disadvantages of using Class Diagrams [closed]

Any and all advantages/disadvantages would be appreciated!
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1answer
213 views

Appropriate UML diagram

What is an appropriate UML diagram if I want to display how user request web page, enters some data, then posts the form (and if the validation has not succeeded, user is redirected back to requested ...
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7answers
515 views

How indepth should a programmer develop his understanding of the Unified Process and UML? [closed]

I know a lot of places use UML and the unified process as their development model... but then there's a lot that don't. Would it be important to have more than a basic and functional understanding of ...
5
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7answers
699 views

Design Code Outside of an IDE?

Does anyone design code outside of an IDE? I think that code design is great and all but the only place I find myself actually design code (besides in my head) is in the IDE itself. I generally ...
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3answers
1k views

Any examples of using Visio to document software?

I have Visio 2010 and want to learn how to use it to document software. Does anyone have examples of what Visio does well? Are there any things that Visio can do, but there are better tools for the ...
2
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2answers
2k views

how to express alternative flows in activity diagram

I want to express the below events in an activity diagram: An alternative flow, such as "at step x of basic flow, user clicks cancel instead of ok". An alternative entry to the use case, such as ...
6
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6answers
7k views

UML: Going from Use Case to Class Diagram

In simple steps how can one make the transition from a Use Case diagram to a Class diagram?
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1answer
808 views

Sequence Diagrams

I recently read the book 'UML Distilled' and found the sequence diagrams very useful. My question is that can we show 'data flow' as well on a sequence diagram? This is my first time on sequence ...
3
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2answers
386 views

Question between aggregations, compositions, references (arrow) and simple link (nothing) relations within UML2?

I have some questions regarding relations between aggregations, compositions, references (arrow) and simple link (nothing) relations within UML2 ? If A -> B -> C each have composition relationship. ...
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4answers
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Can an aggregate root hold references of members of another aggregate root?

I know that outside of aggregates I can't change anything inside an aggregate without passing by his root. That said I would like to know if an aggregate root can hold references of members (objects ...
6
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4answers
328 views

What modelling technique do you use for your continuous design? [closed]

Together with my teammates, I'm trying to self-learn XP and apply its principles. We're successfully working in TDD and happily refactoring our code and design. However we're having problems with the ...
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6answers
2k views

On-the-fly graphical representation of code [closed]

I know about Omondo's plugin for live code-UML synchronization in Eclipse, but I was wondering if there was any other tool/IDE/IDE-extension that has some form of live graphical code representaiton ...
3
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2answers
602 views

can an object in a sequence diagram send a message call to the user?

I need to make a sequence diagram and I'm not sure how to represent user input. Is it correct to have a message be sent from an object to the user asking for user input or should all objects be ...
2
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2answers
268 views

Should I create Use Cases or create Class Diagrams first?

So I'm designing an Education Management System(more info)and I'm wondering if I should be creating the Use Cases or the Class Diagrams first?
5
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2answers
971 views

How to learn UML for a design usage?

10 years ago at college I had some UML lectures. From these I remember and use only some basic part of class and sequence diagrams and how our teacher was trying to convince us that in the future, ...
12
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3answers
685 views

Declarative UML

I'm looking for something along the lines of WebSequenceDiagram for other kinds of UML diagram types -- use cases and class diagrams in particular. For example, the service would accept plain text ...
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7answers
487 views

Would you use UML if it kept stakeholders from requesting changes frequently?

As much as programmers hate to document their code/system and draw UML (especially, Sequencing, Activity and State machine diagrams) or other diagramming notation, would you agree to do it if it kept ...
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12answers
2k views

Should you Create Class Diagrams before or after implementation?

The way I see it if you create one before you get the advantage of: Planning ahead Overview of the project but you lose: Time (doing work you'll probably end up repeating when writing code) On ...
5
votes
3answers
431 views

Should a developer adhere to the class diagrams produced during system design?

The class diagram is modeled on the system requirements, and it is important to create solutions based on those requirements. If I have said class diagram should I strictly adhere to it? What about ...
27
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12answers
1k views

How often do you use Formal UML?

I used ad-hoc MUML (made-up modeling language) to design and explain system fairly frequently. It looks similar to UML and tends to be pretty well understood. However, I've had a professor or two ...