Facade

The Facade design pattern provides a unified interface to a set of interfaces in a subsystem. This pattern defines a higher-level interface that makes the subsystem easier to use.

Usage          High

UML class diagram

A visualization of the classes and objects participating in this pattern.

Sample code

This structural code demonstrates the Facade pattern which provides a simplified and uniform interface to a large subsystem of classes.

Output

See also

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• Common Design Patterns
• Design Guidelines
• Documentation