A Gang of Four structural design pattern that provides a single simplified interface to a larger body of code, such as a complex subsystem or library, hiding its internal complexity from the code that uses it.
Facts
Core PrincipleProvides a single simplified interface that masks a more complex set of underlying classes or subsystems, easing use of a library or system built from many interdependent parts. 2 Connections
Associated With
Erich Gamma, Pioneers Erich Gamma co-authored the 1994 Design Patterns book that named and catalogued the Facade pattern among the original 23.
In Field
Sources
1. Wikipedia: Design Patterns (book)
Wikimedia FoundationLead section, first sentenceQuote, Lead section, first sentence
Design Patterns: Elements of Reusable Object-Oriented Software (1994) is a software engineering book describing software design patterns.
2. Wikipedia: Facade Pattern
Wikimedia FoundationLead section, first paragraphQuote, Lead section, first paragraph
it is an object that serves as a front-facing interface masking more complex underlying or structural code.
Frequently Asked Questions
When was the Facade pattern first introduced?
In 1994, in the Design Patterns book.
The Facade pattern was introduced in 1994, when it appeared in Design Patterns: Elements of Reusable Object-Oriented Software, the software engineering book that catalogued the Facade pattern alongside the other Gang of Four design patterns.
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