19182187
Descripción
Fichas por Mikael Caselitz, actualizado hace más de 1 año
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Creado por Mikael Caselitz
hace alrededor de 5 años
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| Pregunta | Respuesta |
| Implementation inheritance vs. delegation | I. i.: extending a base class by a new operation or overriding an existing operation D.: Catching operation and sending it to another object |
| Algorithm vs. pattern | A.: - Solving problem finite sequence of well defined instructions P.: - Described problem -> occurs over and over again - Describes the core of the solution - Use solution million times without doing it same way twice |
| Modelling a pattern in UML |
Solution must be applicable to more than one specific problem
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| Composite Pattern |
Lets a client threat individual objects and groups
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| Strategy Pattern |
Situations with different algorithms for different tasks
Specific algorithm is chosen at runtime based on policy used in application
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| Proxy Pattern |
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| Observer Pattern (MVC Architectural Style) |
System should maintain consistency across views, whenever state of observed object changes
System design should be highly extensible
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| Adapter Pattern |
Allows the simplified reuse of existing components
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| Façade Pattern |
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| Bridge Pattern |
Bridge pattern allows to delay the binding between a interface and its implementation
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| State Pattern |
Concrete State provides own implementation for a request
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