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

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11
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6answers
1k views

How to Be a Software Engineer?

My problem is kind of weird so please bear with me. I have been working in a start up concerned basically with mobile development since my graduation 2 years ago. I develop apps for iOS but it's not ...
1
vote
1answer
864 views

Is my sequence diagram correct?

NOTE: I am self studying UML so I have nobody to verify my diagrams and hence I am posting here, so please bear with me. This is the problem I got from some PDF available on Google that simply had the ...
1
vote
1answer
1k views

Is my use case diagram correct?

NOTE: I am self studying UML so I have nobody to verify my diagrams and hence I am posting here, so please bear with me. This is the problem I got from some PDF available on Google that simply had the ...
1
vote
1answer
340 views

Showing user and userinterface interaction on a sequence diagram

I need to draw a sequence diagram and I am not sure exactly if it is correct to show interaction between user and user interface in this diagram. For example I want to make a panel visible or ...
2
votes
1answer
277 views

Issue when Return Message is a collection of objects (Sequence Diagram)

I have a sequence diagram for the following operation. The Activity class uses method present in ActivityBL class. The method is: GetActivities(ActivitySearch objt) The result message is a ...
0
votes
1answer
693 views

Sequence Diagram for Response Redirect in ASP.Net Webforms

In asp.net webforms I have a home aspx page that has a “Go” button. [This is the only control in this page]. When this button is clicked, the user is redirected to “UserProfile.aspx” page. How can we ...
1
vote
3answers
844 views

Using UML and Use Cases in Game Design

In the Use case you need to make all the activities the user can do. And then in the Activity diagram I need to explain the Use cases, show the steps that it handles. But if this is all correct, ...
2
votes
2answers
996 views

Should I represent special cases (like errors / exceptions) in UML diagrams?

Let's say you write a program that, when started, reads its configuration file to know which modules to start-up etc. If that configuration file is missing, an error will probably show up. This is an ...
3
votes
6answers
3k views

How to properly design classes for a big project?

If we need to represent classes in a class diagram for a big project that is not completely designed yet, and the classes have to be actual tables in a database, how would we predict and design the ...
6
votes
4answers
781 views

Software design by pseudocoding?

Do you know a good way to design (i.e. write down) software with a method based on pseudocode? I'm new to software design and read some information about UML. My humble class hierarchies are good so ...
1
vote
1answer
151 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 ...
1
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1answer
214 views

UML Actions with object and control flows

Consider a UML Action contained in a UML Activity defining the behavior of a classifier. Such Action has three input pins connected to other output pins of different action by means of object flow ...
3
votes
1answer
250 views

What are the main differences between FUML and the Executable UML profile?

I'd like to know what are the main difference between the Foundational Subset for Executable UML models and the Executable UML profile (which followed the Schlaer-Mellor methodology). Thank you
2
votes
1answer
870 views

UML representation of specific factory pattern

I have to create an UML class diagram from the following example code (Perl). I don't think that the standard factory pattern match in my case or I don't understand it correctly. I don't have ...
2
votes
1answer
781 views

Is there any logical relation between different types of UML diagrams?

I'm trying to find out ,that is there any relation between different types of UML diagrams, for example, once you developed a use case, should it be an event for each of them in a sequence diagram, or ...
0
votes
1answer
593 views

Updating and organizing class diagrams in a growing C++ project

I am working on a C++ project that is getting bigger and bigger. I do a lot of UML so it was not really hard to explain my work to co-workers until now. Lately I implemented a lot of new features and ...
9
votes
4answers
1k views

“UML is the worst thing to ever happen to MDD.” Why?

William Cook in a tweet wrote that: "UML is the worst thing to ever happen to MDD. Fortunately many people now realize this ..." I would like to know the reasoning behind that claim (apparently, ...
0
votes
3answers
3k views

How to visualize timer functionality in sequence diagram?

I am developing software for communication with external device through serial port. To better understand the new functionality I am trying to display it in sequence diagram. Flow of events is as ...
7
votes
6answers
2k views

Truly useful UML diagrams

UML has a jungle of Diagrams. Profile Diagrams, Class Diagrams, Package Diagrams... However, (IMH-and-not-too-experienced-O) I quite see that doing each and every diagram is overkill. Therefore, ...
3
votes
3answers
2k views

What is the order of diagram drawing in a design?

I'm new with OOP and UML and I have some confusion here. I'd like to know where to start, I mean, somebody comes to you and ask you to do something (involves software design of course), once you have ...
4
votes
2answers
621 views

Object oriented design importance

I started studying Object Oriented Design and Modelling using the this book by James Rumbaugh. It uses a tool called Object Modeling Technique (OMT). I have certain newbie questions. I searched the ...
0
votes
2answers
126 views

Plan variable and call dependencies [closed]

I'd like to write down the design of my program to understand the dependencies and calls better. I know there are class diagrams which show inheritance and attribute variables. However I'd also like ...
2
votes
13answers
520 views

How much should I worry about modeling/analyzing a web application?

I'm developing kind of a modern web application - scalable, robust and fast. I need to develop it as fast as I can. How much should I worry about the analysis phase or writing UML diagrams or ER ...
1
vote
1answer
432 views

UML, Dependency, and Martin Fowler's Data Mapper Diagram

I'm trying to get a better understanding of Dependency. In Martin Fowler's explanation of the Data Mapper pattern, http://martinfowler.com/eaaCatalog/dataMapper.html, the UML diagram shows the Mapper ...
4
votes
1answer
2k views

How can I express recursive composition in UML class diagrams?

I have one class called "Institution" which represents a public institution (with properties like id_inst, name_inst, tel_inst, fax_inst...). The institution can have affiliated institutions, for ...
-3
votes
1answer
416 views

Sequence diagram should consist of View objects, DB objects, etc.?

I read many articles, and saw a lot of images and I can't answer the question whether objects of View classes or DB classes should be contained on the sequence diagram or it should be more ...
4
votes
2answers
531 views

Explaining how the code you wrote works [closed]

I was asked to create for a freelance project a Monopoly game in Java. After finishing it the same guy asked me to create four UML diagrams from which he could understand how the game works. ...
5
votes
5answers
1k views

Limitations of UML? [closed]

I'm currently studying for an examination and one of the sample paper questions is to discuss the limitations of UML. Most of the material I'm finding on the net is relating to a specific UML ...
5
votes
1answer
6k views

Are using <<include>> and <<extend>> relationship in this use-case diagram actually same?

I am trying to draw a UML use-case diagram to model requirements for a software project. The two requirements I have issue to model are: TravelAgent creates a booking for a [old] client who is ...
2
votes
3answers
308 views

How to model two similar tasks with the Use-case diagram

I am trying to draw a use-case diagram for a software project. Two requirements for the software I am trying to model in use-case diagram are: A customer (i.e. Client) should be able to cancel its ...
1
vote
1answer
730 views

<<access>> and <<use>> in UML Component diagrams

How to decide if have to take the <<access>> or <<use>> notation for "-->" arrows in Component diagrams written in UML?
22
votes
19answers
6k views

How important are UML diagrams for a successful project?

I'm in the middle of a project and I was asked to write UML diagrams (use cases,class diagram,etc). The project isn't very complex. I was wondering if this be a waste of my time? Should I just be ...
1
vote
4answers
2k views

best way to handle a many to many relationship?

I am drawing a class diagram and I want to know what's the proper notation for many to many relationship between supplier and product? Should I show the table created supplier_product or leave it out ...
4
votes
4answers
996 views

Where to start a software Analysis & Designing?

I am starting a big database-oriented software project to develop. I have full picture of the software in mind. I need to do the designing using UML. As there are various tools in UML such as usecase, ...
3
votes
2answers
368 views

Component Diagram, what's next?

I'm working on an iPhone application and I created a component diagram. I defined interfaces for each component. For example I have an AI component and I have made some interfaces for it. How should ...
6
votes
1answer
703 views

How do you perform modeling in an Extreme Programming environment?

I know methodologies, like Extreme Programming (XP), which specifies its own specific practices for developing software. However, unlike Scrum where it focuses more on management aspects, XP specifies ...
3
votes
2answers
2k views

How to use BPMN and use case and other diagrams together

I asked this question on stackoverflow, but it seems this question is not suitable there, so I post here for discussion. BPMN (Business Process Modeling Notations) is used for modeling business ...
1
vote
1answer
133 views

what kind of relation will exist between a member and a P2P network classes in a class diagram?

I have a member class which stores the IP, and ports used on that member. Another class P2P stores a list of all the members currently in the network and provides join,leave functionality. What kind ...
3
votes
1answer
422 views

What's a good notation for showing MVC interactions?

I'm developing various websites and functionality to cater to various different use-cases up in Django. Is there a good notation for showing what behaviour is at each stage, e.g., swimlanes. I use ...
3
votes
4answers
1k views

Web pages in UML sequence diagrams?

In my current project, we have an ongoing discussion about whether or not it's a good idea to include an artifact representing a web page in an UML sequence diagram for a web application, making ...
2
votes
1answer
1k views

How do you do to create the ViewModel part of your MVVM designs?

Sometimes, when I plan to create a program using this architectural pattern, I've got a lot of difficulties when I'm in the View Model phase. I'm using WAF Framework to develop this architectural ...
2
votes
1answer
436 views

How to model a many to many from a DDD perspective in UML?

I have a two entity objects Site and Customer where there is a many to many relationship. I have read you try not to model this in DDD as it is in the data model and go for a unidirectional flow. If ...
0
votes
3answers
374 views

Review my class hierarchy [closed]

I have created a class hierarchy for an inventory system for a book/magazine. Here's the picture: Will it do? I know there's no magazine class yet but I was wondering if anyone could suggest a ...
32
votes
10answers
3k views

Is code commonly generated from UML?

So when I was at university I was educated on the benefits of UML and its future in code development. But from my industry experience, I've found that while we do use diagrams—ranging from ER ...
17
votes
7answers
849 views

What are the essential things one needs to know about UML?

I want my scribbles of a program's design and behaviour to become more streamlined and have a common language with other developers. I looked at UML and in principle it seems to be what I'm looking ...
4
votes
3answers
810 views

Agile (scrum) and UML round-trip tools [closed]

How effective are automated round-trip tools for UML modeling? Do they help in coding quick, clean, efficient code? In what ways do these tools fit into the Agile methodology?
13
votes
3answers
6k views

UML Diagrams of Multi-Threaded Applications

For single-threaded applications I like to use class diagrams to get an overview of the architecture of that application. This type of diagram, however, hasn’t been very helpful when trying to ...
-2
votes
4answers
346 views

Software for requirements and use cases [closed]

I am looking into some UML modeling software, which there is plentiful of on the market, but only a few I found support recording of requirements and written use cases (not the diagrams yet). Are ...
5
votes
3answers
1k views

Software development life cycle in the industry

I am taking a module called "Requirements Analysis & Design" in a local university. Common module, I'd say (on software development life cycle (SDLC) and UML). But there is a lot of things I ...
3
votes
2answers
642 views

Collaborate on UML online [closed]

Some friends and I are starting up a hobby programming project. I wonder if there is any good method/tool/service which lets us collaborate on UML diagrams online. This can be in any form (online ...