Small Talk on Design Patterns (1)—Overview
It mainly analyzes and summarizes the common design patterns currently on the market. I hope that interested friends can take a look and it will be continuously updated. I hope you can supervise me and we can learn and make progress together. Come on, everyone.
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Overview of Design Patterns
A design pattern is areusesolutions for solving common software design problems,Improve code readability, maintainability and scalability. They help developers better organize and manage code, promote teamwork and communication, and improve software development efficiency.
What are design patterns
Design pattern is a problem-solving method commonly used in software design.Method or Experience Summary. They are best practices that have been practiced and proven for many years and are widely accepted and used.
Design patterns provide auniversalSolutions for solving common software design problems. These issues may include object creation, relationships between objects, selection and organization of algorithms, definition of interfaces, etc. Design patterns help developers better organize and manage code by defining a set of specifications and guiding principles.
Components
Pattern name, problem description, solution, and effects.
Schema name
A short description of the pattern
Problem Description
Describes the specific problem that the pattern solves
solution
It is the implementation and structure of the pattern
Effect description
Benefits and potential problems of using this pattern
What does design pattern do?
Provide reusable solutions
Design patterns provide proven solutions that can be used indifferent scenesreused in . Developers can avoid writing similar code repeatedly by selecting appropriate design patterns based on specific needs.
Improve code readability and maintainability
Design patterns make code more efficient by organizing it into specific structures and relationships.easy to understand and maintain. They provide a standard way to solve problems, allowing other developers to understand and modify the code faster.
Promote code scalability
Design patterns make a system more efficient by breaking it down into independent modules and components.Easy to extend and modify. Developers can add new functionality as needed without affecting existing code.
Improve code flexibility and reusability
Design patterns decouple code so that itmore flexible and reusable. Developers can more easily modify and replace independent components without affecting the entire system.
Promote teamwork and communication
Design patterns provide a common language and concepts that enable developers to communicate and collaborate better. Team members can more easily understand and communicate design decisions, making development more efficient.
Summary of functions
Design patterns provide aStructuredA method to solve common software design problems and improve code readability, maintainability, and scalability. They are an important part of the developer's toolbox, which can help developers better organize and manage code and improve software development efficiency.
Why use design patterns
Improve code readability and maintainability
Design patterns provide astandardizationsolution to make the code easier to understand and modify. They provide a structured way to organize code, making it easier to maintain and extend.
Promote code reuse
Design patterns are best practices that have been practiced and proven over the years and can be reused across different projects and scenarios. By using design patterns, developers canAvoid writing similar code repeatedly, improve code reusability.
Improve development efficiency
Design patterns provide auniversalsolutions that help developers understand and solve problems faster. They provide a standardized way to solve common software design problems, allowing developers to write high-quality code faster.
Promote teamwork and communication
Design patterns provide a common language and understanding that facilitates collaboration and communication among team members. By using design patterns, team members can more easily understand and communicate design decisions, thereby improving team collaboration efficiency.
Design pattern learning steps
learn basic concepts
First, understand the basic concepts and classification of design patterns. Learn the definition, applicable scenarios, problems solved and implementation methods of each design pattern.
Understand design principles
Design patterns are built on some design principles, such asOpen-Closed Principle, Single Responsibility Principle, Dependency Inversion Principle, etc.. Understanding these principles is important to understanding and applying design patterns.
Study the sample code
By studying the sample code of design patterns, you can better understand and master design patterns. Read and analyze the actual code of the design pattern to understand the design ideas and implementation details.
practical application
The best way to learn design patterns is by applying them on real projects. Try using design patterns in your own code to solve real problems. Through practical application, you can have a deeper understanding of the use and effects of design patterns.
Learning cases and experience sharing
Read and learn other people's design pattern cases and experience sharing to gain more practical experience and application skills. You can refer to books, blogs, forums and other resources to learn about other developers’ experiences and lessons learned from using design patterns in actual projects.
reflection and conclusion
In the process of using design patterns, timely reflection and lessons learned. Think about the applicability, advantages and disadvantages of design patterns, and their application effects in actual projects. Through reflection and summary, continuously improve the understanding and application ability of design patterns.
