What is GoF in design patterns?
GoF is actually a commonly used acronym that stand for Gang of Four. The Gang of Four refers to the four authors of the popular book on design patterns called “Design Patterns: Elements of Reusable Object-Oriented Software”. This book is considered to be the bible on design patterns in software engineering. Often, GoF is just used to refer to the book itself, and not the actual authors of the book. Another commonly used acronym is Go4, which means the exact same thing.