Welcome to Design Patterns implemented using Swift programming language. Each design pattern is explained with a problem statement, solution, steps to implement, implementation (source code), and when to use.
Design patterns are typical solutions to common problems in software design. Each pattern is a blueprint that can be customized to solve a particular design challenge in various situations. They provide a shared language and framework for expressing solutions and discussing design alternatives.
The Gang of Four classifies design patterns into three distinct categories: Creational, Structural, and Behavioral.
1. Creational Patterns
These patterns deal with object creation mechanisms, ensuring you create objects in a manner suitable to your situation, while also keeping the system decoupled from specific classes it creates.
Factory Method Design Pattern in Swift
Abstract Factory Design Pattern in Swift
Builder Design Pattern in Swift
Prototype Design Pattern in Swift
2. Structural Patterns
These patterns concern class and object composition. They allow you to compose structures in a way that you can ensure a change in one place doesn't necessitate changes throughout the system.
Bridge Design Pattern in Swift
Composite Design Pattern in Swift
Decorator Design Pattern in Swift
Facade Design Pattern in Swift
Flyweight Design Pattern in Swift
Proxy Design Pattern in Swift
3. Behavioral Patterns
These patterns focus on object collaboration and the delegation of responsibilities among objects.
Chain of Responsibility Design Pattern in Swift
Command Design Pattern in Swift
Interpreter Design Pattern in Swift
Iterator Design Pattern in Swift
Mediator Design Pattern in Swift
Memento Design Pattern in Swift
Observer Design Pattern in Swift
State Design Pattern in Swift
Template Method Design Pattern in Swift
Visitor Design Pattern in Swift
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