Fundamentals of UML Diagrams
A diagram is the graphical presentation of a set of elements. UML has a lot of different diagrams. Make sure you can differentiate between different diagrams. Previous sections described UML diagrams; this section elaborates on them using examples.
Using the <> relationship
Sequence and Collaboration Diagrams
When developing Object-Oriented software, anything our software needs to do is going to be achieved by objects collaborating. We can draw a collaboration diagram to describe how we want the objects we built to collaborate.
Both sequence diagrams and collaboration diagrams are kinds of interaction diagrams.
- They both describe the flow of messages between objects.
- They are very useful for describing the procedural flow through many objects.
- Interaction diagrams consisting of a set of objects and their relationships, including the messages that may be dispatched among them
- Both are interaction diagrams which address the dynamic view of a system
- They are models that describes how a group of objects collaborate in some behaviour, typically a single use case