What is Design Patterns?
Design patterns are reusable solutions to common problems that arise during software development. They serve as templates for addressing issues that can occur in various contexts, helping developers create more efficient, maintainable, and scalable code.
Why Design Patterns?
Design patterns provide numerous benefits for developers, including:
Efficiency: Design patterns save time and effort by offering proven solutions to recurring problems, allowing developers to avoid reinventing the wheel.
Maintainability: Design patterns promote a standardized and organized approach to coding, which simplifies code maintenance and modification.
Scalability: By utilizing design patterns, developers can create modular and extensible code that can easily accommodate changes and growth.
Communication: Design patterns serve as a shared vocabulary among developers, enabling more effective communication about code structure and design.
Creational Patterns: These patterns focus on the process of object creation. Examples include the Singleton, Factory, Abstract Factory, Builder, and Prototype.
Structural Patterns: These patterns deal with the composition of objects and classes. Examples include the Adapter, Bridge, Composite, Decorator, Facade, Flyweight, and Proxy patterns.
Behavioral Patterns: These patterns define how objects communicate and collaborate. Examples include the Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, and Visitor.