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Modeling (Static diagram (Structured representation of the concepts used…
Modeling
Static
diagram
Structured representation of the concepts
used by the system
Complementary to behavioral diagrams
Goal = Common vocabulary and understanding
Evolves during project, iterative process
Entities
Functional = independent from implementation
Attributes = entity's characteristics
Name
Type
1 attribute = 1 meaning = 1 info
Associations
Relations linking Entities
Verb to stress the link
Multiplicity = cardinality on associations
1 = linked to one and only one entity
1..* = linked to 1 or multiple entities
0..* = linked to 0 or multiple entities
On both ends of the association
Constraints
Rules that are always valid
Modeled by the multiplicities
Can be notes on the diagram