Originally published in 1995 by authors Eric Gamma, Richard Helm, Ralph Johnson, and John Vlissides, Design Patterns is probably the most world-changing and important text on Object-Oriented Programming written to date. The book was inspired by the idea of reusable design patterns that originated with Christopher Alexander’s book on architectural design, called A Pattern Language. The Gang-of-Four (GoF) book established a new lexicon for OOP based on their broad and extensive software design experience. [More…]