23 GoF Design Patterns Explained with Simple Analogy The 23  GoF(Gang of Four) patterns are categorized into three main types: Creational, Structural, and Behavioral. Each category addresses a different aspect of object-oriented design, helping you solve specific problems related to object creation, class and object composition, and communication between objects. These patterns promote reusable, scalable, and maintainable code. Let's visualize real-world analogies, such as “Singleton → one President,” or “Observer → YouTube subscribers.” 23 GoF Design Patterns Explained with Simple Analogy In this article, we explain all GoF design patterns using simple, real-world analogies that make complex concepts easier to grasp. It will be helpful to developers and software engineers preparing for interviews. For each pattern, we will provide a clear definition, explain its