Earlier this year I had an interesting talk about sequence diagrams. The topic was asynchronous messages and how UML models them. As I find the topic interesting, I thought I will write a bit about that. So how does UML models asynchronous messages, and how can you tell from a sequence diagram if a message [...]
Musings about work and life
Tag Archive: uml
Requirements and Use Cases – part II
This is the second part of the Requirements and Use Cases post, and continues right where I finished with that one. In the first part I laid down some basic thoughts about requirements as I see them, and this post builds on that. If you did not read it, please do that first. 2. Use [...]
Requirements and Use Cases
1. On the Requirements The first topic I want to get a go with is the use of Use Cases. But, before I start on the use cases I would like to clear up some basics about the requirements. I’ve met a lot of people for who there is only one kind of requirement: business [...]
Some thoughts on the UML…
When I first met UML – way back in school, in 1999 – I instantly liked it. It looked cool, it was new and it went pretty well with Java – which was new too. Until then and for a long time after that programming was taught with Clipper, Turbo Pascal and such, Java was [...]