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[Soft question] Tips and tools to analyze unfamiliar OO code

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What are your tips / Are there any tools to:
Get a quick overview of undocumented but well structured and named OO code?
I am thinking e.g. of automatic graphs showing the class hierarchies and methods therein.
per isakson
per isakson on 25 Jun 2020
Edited: per isakson on 25 Jun 2020
Search FEX for UML
Warning: Regarding m2uml you need to edit the code in a couple of places in accourdance with descriptions in the comments.
Joan Vazquez
Joan Vazquez on 25 Jun 2020
Thanks, very nice package! I already used it to create some useful UML diagrams.
As you mention, the question is: "Can m2uml help learning a new code-base?".
Then, can you share the code that you used to do the "quick test with the File Exchange contribution, GUI Layout Toolbox by David Sampson." (within m2uml_v11_hyperlinks_tooltips_publish). I wonder if you explicitely defined all the classes in the call to
In any case, my question is not resticted to UML. Did you ever have to learn a new Matlab code base? General tips / tools?

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Answers (1)

Yair Altman
Yair Altman on 29 Jun 2020
Edited: Yair Altman on 29 Jun 2020
For inspecting a single object or class, try
  1. the GUI-based uiinspect utility ( and/or:
  2. console-based checkClass utility (


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