Memorize Software Design Patterns
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Factory | Create individual objects when constructor alone is inadequate. Use methods to return objects.
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| Singleton | Ensure there is only one instance of a class.
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| Abstract Factory | Provide interface for creating families of related objects.
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| Prototype | Create a set of identical objects whose type is determined at runtime.
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| Façade | Provide an interface to a package of classes. Define a singleton which is the sole means for obtaining functionality from the package.
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| Decorator | uses Recursion. Add responsibilities to an object at runtime.
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| Composite | Represent a recursive tree of objects that aggregates and inherits from the base class for the objects.
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| Adapter | Allow an application to use external functionality in a retargetable manner.
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| Flyweight | Manage a large number of objects without constructing them all.
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| Proxy | Avoid the unnecessary execution of expensive functionality in a manner transparent to clients.
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| Interpreter | Interpret expressions written in a formal grammar.
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| Iterator | Provide a way to access the elements of an aggregate object sequentially.
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| Mediator | Avoid references between dependent objects. Capture mutual behavior in a separate class.
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| Observer | Arrange for a set of objects to be affected by a single object.
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| State | Cause an object to behave in a manner determined by its state.
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| Chain of Responsibility | Allow a set of objects to service a request. Link the objects in a chain, each performs their responsibility and passes the request along.
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| Command | Increase flexibility in calling for a service. Capture operations as classes.
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| Template | Allow runtime variants on an algorithm. Basic algorithm in base class.
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Created by:
arlanh
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