In UML, a relationship is a connection
between model elements. A UML relationship is a type of model element that adds
semantics to a model by defining the structure and behavior between the model
elements.
UML relationships are grouped into the following categories:
Category |
Function |
Activity edges |
Represent the flow between
activities |
Associations |
Indicate that instances of one
model element are connected to instances of another model element |
Dependencies |
Indicate that a change to one
model element can affect another model element |
Generalizations |
Indicate that one model element
is a specialization of another model element |
Realizations |
Indicate that one model element
provides a specification that another model element implements |
Transitions |
Represent changes in
state |
You can set properties and use keywords to create
variations of these relationships.
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