What Are the 23 Design Patterns in Software Development?

Discover the 23 recognized design patterns categorized into Creational, Structural, and Behavioral types for effective software design solutions.

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Design patterns are categorized into three types: Creational (e.g., Singleton, Factory Method), Structural (e.g., Adapter, Composite), and Behavioral (e.g., Observer, Strategy). There are 23 recognized design patterns: Abstract Factory, Builder, Factory Method, Prototype, Singleton, Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy, Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, and Visitor. These patterns offer optimized solutions to commonly faced problems in software design.

FAQs & Answers

  1. What are design patterns in software engineering? Design patterns are reusable solutions to common problems in software design that help improve code maintainability and flexibility.
  2. How are the 23 design patterns categorized? They are categorized into three types: Creational, Structural, and Behavioral design patterns.
  3. Why should I learn the 23 design patterns? Learning these patterns helps developers write more efficient, scalable, and maintainable code by applying proven design techniques.

Watch More

For a deeper understanding, explore our related videos on individual design patterns such as Singleton and Observer, and learn how to implement them effectively in your software projects.

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