Facade Design Pattern - Venkat5357/GOF-DesignPatterns GitHub Wiki

• hides the complexities of the system and provides an interface to the client using which the client can access the system.
• usually a refactoring pattern typically used to cleanup code.
• involves a single class which provides simplified methods required by client and delegates calls to methods of existing system classes.
• we can use factory pattern with facade to provide better interface to client systems.
• Examples of JAVA API are java.net.URL and javax.faces.context.facescontext

Design:

• Just a class that uses composition.