A Gang of Four structural design pattern that attaches additional responsibilities to an object dynamically by wrapping it in another object sharing the same interface, offering a flexible alternative to creating a new subclass for every combination of added behavior.
Facts
Core PrincipleAttaches additional behavior to an individual object dynamically, without affecting other instances of the same class, as a flexible alternative to subclassing. 2 Connections
Associated With
Erich Gamma, Pioneers Erich Gamma co-authored the 1994 Design Patterns book that named and catalogued the Decorator 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: Decorator Pattern
Wikimedia FoundationLead section, first sentenceQuote, Lead section, first sentence
the decorator pattern is a design pattern that allows behavior to be added to an individual object dynamically, without affecting the behavior of other instances of the same class.
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