Decorator pattern
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In object-oriented programming, the decorator pattern is a design pattern that allows behavior to be added to an individual object dynamically, without affecting the behavior of other instances of the
A sample UML class and sequence diagram for the Decorator design pattern
Adapter pattern
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In software engineering, the adapter pattern is a software design pattern that allows the interface of an existing class to be used as another interface. It is often used to make existing classes work
Decorator pattern
…of other instances of the same class, provided some groundwork is done at design time. This is achieved by designing a new Decorator class that wraps the original class. This wrapping could be achieved by the following sequence of steps: Subclass the original Component class into a Decorator class…
A sample UML class diagram for the adapter design pattern