IT:AD:UML
- See also:
Summary
Notes
Class Diagrams
In one:
Missing from the above diagram is Aggregation and Composition, which is represented with a diamond, filled or not:
If the Invoice can live independently of Client, then it's just a composition. If the Invoice is in charge of the lifespan of the LineItem, it is an Aggregate.
Client <>-> Invoice <#>-> LineItem