Design patterns are a collection of best practices used to solve common software development problems. They are reusable solutions that have been time-tested and proven. They are separated into four main categories, which are:
- Creational 🏭
Creational Design Patterns as the name implies are used to create objects in a flexible and reusable way. They enable the creation of objects without the need to know their precise implementation details and are usually used for complex object-creation processes. They provide a modular, maintainable, and scalable way of creating objects.
- Structural 🏗️
Structural Design Patterns focus on how objects are structured into larger configurations. They provide a clear and consistent way of organizing code and user interface elements. Structural patterns describe the relationships between objects and interfaces, allowing for more modular and reusable code. Structural patterns improve code organization, scalability and facilitate maintenance.
- Behavioral 🗣️
Behavioral Design Patterns address object communication and responsibility allocation. They provide a flexible and extensible means of managing object communication and specify how objects interact and allocate responsibilities. They facilitate the development of flexible and extensible applications that can adapt to evolving requirements.
- Architectural 🏰
Architectural Design Patterns define the general structure and organization of an application. They provide a technology and framework-independent way of organizing code and user interface elements. Architectural patterns describe how application components are organized, interact, and communicate with each other. They provide an easy way of creating maintainable and scalable applications.
Conclusions 🎉
In conclusion, understanding and implementing design patterns is a critical skill in developing scalable and maintainable iOS applications. Each design pattern category provides unique benefits that can help us achieve our goals when developing an app.
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