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Author: Admin | 2025-04-28
Last Updated : 02 Jan, 2025 Software design patterns are important tools developers, providing proven solutions to common problems encountered during software development. This article will act as tutorial to help you understand the concept of design patterns. Developers can create more robust, maintainable, and scalable software systems by understanding and applying these patterns.Table of ContentWhat are Design Patterns?Why Learn Design Patterns?Types of Software Design Patterns Creational Design Patterns Structural Design Patterns Behavioral Design Patterns Design Patterns in Different Languages Interview Questions on Software Design Patterns What are Design Patterns?Reusable solutions for typical software design challenges are known as design patterns. Expert object-oriented software engineers use these best practices to write more structured, manageable, and scalable code. Design patterns provide a standard terminology and are specific to particular scenarios and problems. Design patterns are not finished code but templates or blueprints only.Key Characteristics of Design PatternsReusability: Patterns can be applied to different projects and problems, saving time and effort in solving similar issues.Standardization: They provide a shared language and understanding among developers, helping in communication and collaboration.Efficiency: By using these popular patterns, developers can avoid finding the solution to same recurring problems, which leads to faster development.Flexibility: Patterns are abstract solutions/templates that can be adapted to fit various scenarios and requirements.Why Learn Design Patterns?There are multiple reasons to learn design patterns:Code that is simpler to comprehend, update, and expand is produced with the help of design patterns. They offer solutions that have been tried and tested as well as best practices.Learning this enables them to quickly and effectively address similar challenges in various projects.Developers can produce reusable components that can be utilized in a variety of applications by implementing design patterns.This reduces redundancy and saves development time.Types of Software Design Patterns There are three types of Design Patterns: Creational Design Pattern Structural Design Pattern Behavioral Design Pattern 1. Creational Design Patterns Creational Design Patterns focus on the process of object creation or problems related to object creation. They help in making a system independent of how its objects are created, composed and represented.Types of Creational Design Patterns: Factory Method Design
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