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

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72 views

In UML is it correct to have an association class with a composition or aggregation relationship?

An example of an association class is given here: http://pic.dhe.ibm.com/infocenter/rsarthlp/v9/index.jsp?topic=%2Fcom.ibm.xtools.modeler.doc%2Ftopics%2Fcassnclss.html Composition and Aggregation ...
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2answers
460 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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4answers
388 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 ...
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1answer
121 views

What is meant by a step-by-step refactoring plan describing implementation of design [closed]

What is meant by a step-by-step refactoring plan describing how to implement a certain design? As little as I know about refactoring it regards improving a (UML) design model and has nothing to ...
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3answers
237 views

How important is it to learn UML for an OO developer? [closed]

When studying OOP by myself I often encounter UML class diagrams. I understand them, but don't completely know how to write them. Meaning, I don't entirely know what each kind of arrow means, and ...
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1answer
134 views

Should I label class diagram variables as private or public?

In my program, I have several class variables whose access specifier is known as private package. The default accessor specifier in Java is known as private package where it is accessible within the ...
-3
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1answer
470 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 ...
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0answers
65 views

Why hasn't USL become as important as UML? [on hold]

I've been reading this articles, they talk about how the Universal Systems Language is used to make unbreakable systems. Why isn't this used in common software projects? Why we use other approaches ...