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  2. Observer pattern - Wikipedia

    en.wikipedia.org/wiki/Observer_pattern

    In early implementations of multi-window operating systems such as OS/2 and Windows, the terms "publish-subscribe pattern" and "event-driven software development" were used as synonyms for the observer pattern. [5] The observer pattern, as described in the Design Patterns book, is a very basic concept and does not address removing interest in ...

  3. Template method pattern - Wikipedia

    en.wikipedia.org/wiki/Template_method_pattern

    In object-oriented programming, the template method is one of the behavioral design patterns identified by Gamma et al. [1] in the book Design Patterns.The template method is a method in a superclass, usually an abstract superclass, and defines the skeleton of an operation in terms of a number of high-level steps.

  4. GRASP (object-oriented design) - Wikipedia

    en.wikipedia.org/wiki/GRASP_(object-oriented_design)

    The indirection pattern supports low coupling and reuses potential between two elements by assigning the responsibility of mediation between them to an intermediate object. An example of this is the introduction of a controller component for mediation between data (model) and its representation (view) in the model-view-controller pattern.

  5. File:Template Method UML class diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Template_Method_UML...

    Date/Time Thumbnail Dimensions User Comment; current: 00:02, 29 December 2006: 900 × 360 (3 KB): Trashtoy {{Information |Description= {{en|UML class diagram for Template Method software design pattern.}} {{ja|Template Method パターンのクラス図。

  6. Decorator pattern - Wikipedia

    en.wikipedia.org/wiki/Decorator_pattern

    A sample UML class and sequence diagram for the Decorator design pattern. [7] In the above UML class diagram, the abstract Decorator class maintains a reference (component) to the decorated object (Component) and forwards all requests to it (component.operation()). This makes Decorator transparent (invisible) to clients of Component.

  7. Template:UML diagram types - Wikipedia

    en.wikipedia.org/wiki/Template:UML_diagram_types

    UML diagram types; Structural UML diagrams; Class diagram; Component diagram; Composite structure diagram; Deployment diagram; Object diagram; Package diagram; Profile diagram; Behavioral UML diagrams; Activity diagram; Communication diagram; Interaction overview diagram; Sequence diagram; State diagram; Timing diagram; Use case diagram

  8. File:Cpp template method pattern UML.svg - Wikipedia

    en.wikipedia.org/wiki/File:Cpp_template_method...

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  9. Adapter pattern - Wikipedia

    en.wikipedia.org/wiki/Adapter_pattern

    The key idea in this pattern is to work through a separate adapter that adapts the interface of an (already existing) class without changing it. Clients don't know whether they work with a target class directly or through an adapter with a class that does not have the target interface. See also the UML class diagram below.