The Concepts
The following UML, object-oriented, and other concepts are cited in this chapter. For a more complete discussion and more rigorous definitions of UML concepts, refer to Booch et al. [1999].
Association— a relationship between two or more elements that represents a link between instances of those elements
Aggregation— a special form of association that specifies a “whole–part” relationship between the whole and its parts
Association class— a modeling element that has both association and class properties
Generalization— a relationship in which objects of the child are substitutable for objects of the parent; represents an “is a” relationship between the super- and subtypes
Inheritance— the mechanism by which more specific elements ...
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