Questions about UML class diagrams?

According to the current UML standard 2.4.1 and the next one 2.5 (it differs almost only in more simple documentation): Pointers/references should be shown as arrow with small black circle (dot) at the referenced end. If it is not pointer that the object has as an attribute, but it is counted in any way, there … Read more

What is Navigability in UML diagrams?

This shows navigability. A can see (means it has an attribute referencing) B. In contrast B has no idea about/reference to A. As @JimL commented, your arrow is wrong and only used for stereotype definition. I’m referring to the unfilled arrow which indicates navigability of associations from which I assume you actually meant that. UML … Read more

Understanding Diagrams [closed]

1 Yes it is UML. You can read more (with examples) about class diagrams and other UML diagrams e.g. at http://www.uml-diagrams.org/class-diagrams-overview.html 2 Although it is possible to Google out and print and pin up on your notice board some “UML cheat sheet” or “UML quick reference card” (e.g. http://www.holub.com/goodies/uml). 3 it is much better to … Read more