SDLC Guide -Agile Methodology in Development

In today's rapidly changing software development environment, the SDLC (Software Development Life Cycle) agile development method has become the first choice for many companies. This article will explore the concept, core advantages, and practical analysis of the SDLC agile development method in depth . I hope that through the study of this article, you will be able to master the SDLC agile development method.

I. What is Agile Development Methodology

The SDLC agile development method is a project management method that emphasizes flexibility and rapid response, and aims to quickly deliver high-quality software products through iterative and incremental development. It originated in the mid-1990s as an improvement on the traditional waterfall model , aiming to address the shortcomings of the waterfall model in dealing with rapidly changing requirements and market environments. Agile development enables teams to better adapt to changes and deliver working products at the end of each iteration cycle by breaking down projects into multiple small, manageable parts.

SDLC Agile Development Process

II. Core advantages of agile development methods

Flexibility: Agile development allows teams to reassess and adjust requirements within each iteration cycle, thereby adapting quickly to changing needs and market conditions.

Fast delivery: Through phased iterative development, the team can deliver a usable product version in each iteration cycle, ensuring that customers can see the product as early as possible and make suggestions for improvements.

Continuous improvement: The team will review at the end of each iteration cycle, summarize lessons learned, and propose improvement measures to continuously improve work efficiency and product quality.

Teamwork: Agile development emphasizes close cooperation among team members, including cooperation with customers and other stakeholders, thereby increasing the success rate of the project.

III. Agile Development Methodology Process

Taking a startup developing a mobile app as an example, the agile SDLC practice process is as follows:

Requirements Analysis: The product manager works with the marketing department to determine the core functionality of the app and create a list of user stories.

Design: UI/UX designers create preliminary prototypes and discuss technical feasibility with front-end developers.

Implementation/Coding: The development team uses the Scrum methodology, completing sprints every two weeks and releasing a new version at the end of each sprint.

Testing: The QA team performs daily build testing using automated testing tools and also performs manual testing periodically.

Deployment: After the application has been internally tested, it is first released to some users in a small range for trial and to collect feedback.

Maintenance: Based on user feedback, the team continuously improves the application while monitoring application performance to ensure stable operation.

This case study demonstrates how to quickly respond to market changes and continuously deliver high-quality products through agile SDLC.

The agile development flow chart is as follows:

Use Template - Agile Development Flowchart

IV. How flowchart tools can improve agile development efficiency

In the agile development process, flowchart tools play a vital role. Here are some key points on how flowchart tools can help agile development:

Visual code logic: Code flow chart tools can transform abstract code logic into intuitive graphics, and analyze the system by drawing UML, architecture diagrams, etc., which reduces the difficulty of understanding the code and improves debugging efficiency.

Using Template--UML Sequence Diagram