Aggregation in Class Diagram
The notation 0 in the diagram means zero to many. Aggregation is asymmetric relationship only one end of association is allowed to be marked as shared or composite aggregation. Uml Class Diagram Example For A Computer Store System This Class Diagram Example Is Brought Class Diagram Software Architecture Diagram Relationship Diagram Component Diagram UML. . It also implies that the point is a value object see Reference Objects and Value Objects on page 93. Aggregation is more specific than association. It is an association that represents a part-whole or part-of relationship. An aggregation is a special type of association in which objects are assembled or configured together to create a more complex object. If the partss lifetime are controlled by the parent it is a composition. Aggregation Aggregation refers to the formation of a particular class as a result of one class being aggregated or built as a collection.
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