Architecting and designing : UML 2.5 : Relationships : Component Provides (Realizes) Interface
  
Component Provides (Realizes) Interface
The Component Provides (Realizes) Interface relationship is used to specify that a Component provides an Interface – in the example below, that Imaging provides the ImageObserver interface.
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See also
Association
Dependency
Realization
Collaboration Property to Part
Component Requires (Uses) Interface
Port Provides (Realizes) Interface
Port Requires (Uses) Interface
Comment to AnnotatedElement
Constraint to ConstrainedElement
Connector
ElementGroup to Element
Instance Specification Relationships
Generalization
Package Containment
Package Import
Substitution
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Relationships