<p>UML State diagrams could represent a single object, a system or a sub-system. I am looking for the best methods and resources which help students draw correct state diagrams, and at the right level of detail. Many thanks.</p>

CC BY-SA 4.0
2021-11-24T16:22:13.323Z
To what end?  UML can get very detailed and very nitpicky.  What is your goal in teaching UML?
Ben I.
CC BY-SA 4.0
2021-11-24T16:54:02.323Z
They have a project where they need to produce a requirement and design documents and they use UML in their documents.
User 19826
CC BY-SA 4.0
2021-11-24T17:09:14.570Z
Do you mean use case diagrams? Or possibly class diagrams?  State diagrams are about capturing a moment of runtime behavior, and aren't, to my knowledge, in frequent use.
Ben I.
CC BY-SA 4.0
2021-11-24T19:15:19.010Z
Please see https://www.uml-diagrams.org/state-machine-diagrams.html.  They show state of objects or sub-systems.
User 19826
CC BY-SA 4.0
2021-12-17T22:25:39.513Z
State diagrams got in to UML, because the company that made a good state modelling tool, had a seat on the UML board. There is also much left out of UML.
ctrl-alt-delor
<resource-request><object-oriented-paradigm>
Regarding state diagrams - (different levels)
# Regarding state diagrams - (different levels)

(Asked by: username_0 on 2021-11-24)

UML State diagrams could represent a single object, a system or a sub-system. I am looking for the best methods and resources which help students draw correct state diagrams, and at the right level of detail. Many thanks.

**Tags:** resource-request, object-oriented-paradigm

> **Comments:**
> **username_1**: To what end?  UML can get very detailed and very nitpicky.  What is your goal in teaching UML?  
> **username_0**: They have a project where they need to produce a requirement and design documents and they use UML in their documents.  
> **username_1**: Do you mean use case diagrams? Or possibly class diagrams?  State diagrams are about capturing a moment of runtime behavior, and aren't, to my knowledge, in frequent use.  
> **username_0**: Please see https://www.uml-diagrams.org/state-machine-diagrams.html.  They show state of objects or sub-systems.  
> **username_2**: State diagrams got in to UML, because the company that made a good state modelling tool, had a seat on the UML board. There is also much left out of UML.  

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