After having my use case diagrams, i can t found the logique to follow to implement the sequence diagram, how can i go from analysis the what to design the how from the actors and uses cases to a sequence diagram with many stereotype without thinking about the class diagram (to respect the order). Or should i have to implement others diagrams to passe from the use case one to the sequence?
Understanding UML of DoFactory Design Pattern - Decorator
I am trying to understand UML diagram describing Decorator Pattern at link below http://www.dofactory.com/Patterns/PatternDecorator.aspx I don t understand why there is a "Aggregation" relation ...