Structural pattern

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In Software Engineering, Structural Design Patterns are Design Patterns that ease the design by identifying a simple way to realize relationships between entities.

Examples of Structural Patterns include:

• Adapter pattern: 'adapts' one interface for a class into one that a client expects
• Aggregate pattern: a version of the Composite pattern with methods for aggregation of children
• Bridge pattern: decouple an abstraction from its implementation so that the two can vary independently
• Composite pattern: a tree structure of objects where every object has the same interface
• Container pattern: create objects for the sole purpose of holding other objects and managing them
• Decorator pattern: add additional fuctionality to a class at runtime where subclassing would result in an exponential rise of new classes
• Extensibility pattern: aka. Framework - hide complex code behind a simple interface
• Facade pattern: create a simplified interface of an existing interface to ease usage for common tasks
• Flyweight pattern: a high quantity of objects share a common properties object to save space
• Proxy pattern: a class functioning as an interface to another thing
• Pipes and filters: a chain of processes where the output of each process is the input of the next
• Private class data pattern: restrict accessor/mutator access