摘要：
The Bridge Pattern:Decouple an abstraction from its implementation so that the two can vary independently. 阅读全文
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摘要：
The Bridge Pattern:Decouple an abstraction from its implementation so that the two can vary independently. 阅读全文
摘要：
The Proxy Patternprovides a surrogate or placeholder for another object to control access to it. 阅读全文
摘要：
The State Patternallows an object to alter its behavior when its internal state changes. The object will appear to change its class. 阅读全文
摘要：
The Composite Patternallows you to compose objects into tree structures to represent part-whole hierarchies. Composite lets clients treat individual objects and compositions of objects uniformly. 阅读全文
摘要：
The Iterator Pattern provides a way to access the elements of an aggregate object sequentially without exposing its underlying representation. 阅读全文
摘要：
The Template Method Patterndefines the skeleton of an algorithm in a method, deferring some steps to subclasses. Template Method lets subclasses redefine certain steps of an algorithm without changing the algorithm's structure. 阅读全文
摘要：
The Facade Patternprovides a unified interface to a set of interfaces in a subsystem. Facade defines a higher-level interface that makes the subsystem easier to use. 阅读全文
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The Adapter Patternconverts the interface of a class into another interface the clients expect. Adapter lets classes work together that couldn't otherwise because of incompatible interfaces. Object Adapter v.s. Class Adapter 阅读全文
摘要：
The Command Patternencapsulates a request as an object, thereby letting you parameterize other objects with different requests, queue or log requests, and support undoable operations. 阅读全文
摘要：
The Singleton Patternensures a class has only one instance, and provide a global point of access to it. 阅读全文
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