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C# - Gang Of Four - Design Patterns, Elements Of Reusable Object Oriented Software Erich Gamma, John M. Vlissides, Ralph Johnson, Richard Helm
Publisher: Addison-Wesley Professional

Design patterns gained popularity in computer science after the book Design Patterns: Elements of Reusable Object-Oriented Software was published in 1994 by the so-called "Gang of Four" (Gamma et al.). Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides are known as the Gang of Four (GoF). More recently, C# has popularized the delegate concept, contributing to the success of that language. Standard C++ does not have true object-oriented function pointers. They wrote an influential book titled Design Patterns, Elements of Reusable Object-Oriented Software. There are many reasons for the conflicted relationship. The Gang of Four, in their seminal work “Design Patterns: Elements of Reusable Object-Oriented Software”, referred to inheritance as a threat to encapsulation and stated that object composition should be preferred to it. For many applications, delegates simplify the use of elegant design patterns (Observer, Strategy, State[GoF]) composed of very loosely coupled objects. In the past 6 months, I have been reading and studying the well-known book Design Patterns, Elements of Reusable Object-Oriented Software by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides (GOF). This project appears to be These patterns all come from the well known “Gang of Four” book, Design Patterns: Elements of Reusable Object-Oriented Software. Tutorial: Common Design Patterns in C# 4.0. Net framework and Java even provide the ability to prevent inheritance (via the sealed keyword in C#, NotInheritable in VB.Net, and Final in Java). It was because of that that I came across Design Patterns and the GoF (Gang of Four, referring to the 4 authors of the seminal and original work, “Design Patterns: Elements of Reusable Object-Oriented Software” found here on Amazon). [GoF] "Design Patterns: Elements of Reusable Object-Oriented Software", E.