A design pattern is a reusable, somewhat language-specific solution to a common problem in software design. The most popular book on this topic is Design Patterns: Elements of Reusable Object-Oriented Software, Addison-Wesley Professional, written by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm, also known as the Gang of Four (GoF). It is considered a major writing in this area and provides a catalog of 23 design patterns with examples in Smalltalk and C++.
While designing an application's code, these patterns help solve common problems. They ring a bell to all developers, since they describe proven development paradigms. But they should be studied with the used language in mind, since some of them do ...
