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Classifier (UML)
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A classifier is a category of Unified Modeling Language (UML) elements that have some common features, such as attributes or methods. Overview A classifier is an abstract metaclass classification concept that serves as a mechanism to show interfaces, classes, datatypes and components. A classifier describes a set of instances that have common behavioral and structural features (operations and attributes, respectively). A classifier is a namespace whose members can specify a generalization hierarchy by referencing its general classifiers. A classifier is a type and can own generalizations, thereby making it possible to define generalization relationships to other classifiers. A classifier is a redefinable element, as it is possible to redefine nested classifiers. All objects that can have instances are classifiers. Important aspects *A classifier defines a namespace. *A classifier contains a set of features. *A classifier is . Types of UML classifiers *Class *Component *Datatype *Interface *Node *Signal *Subsystem *Use Case Predefined UML classifiers *Actor *Association *Class *Component *Datatype *Interface *Node *Signal *Subsystem *Use Case See Also
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