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Software Development Life Cycle


The Software Development Life Cycle (SDLC) is a framework that outlines the processes and phases involved in developing software applications. It provides a structured approach to software development, ensuring that software projects are planned, designed, developed, tested, deployed, and maintained in a systematic and organized manner. The SDLC typically consists of the following phases:

Requirements gathering: In this phase, the development team works with stakeholders to understand and document the software requirements, including functional and non-functional requirements.

Analysis and design: The requirements are analyzed, and the system architecture and design are created. This phase involves creating high-level and low-level designs, database schema, and user interface designs.

Implementation: The actual coding and development of the software take place in this phase. The development team writes the code according to the design specifications, using programming languages, frameworks, and tools.

Testing: The software is thoroughly tested to ensure that it meets the specified requirements and functions as intended. This phase includes unit testing, integration testing, system testing, and user acceptance testing.

Deployment: Once the software has been tested and approved, it is deployed to the production environment or made available to end users. This may involve installation, configuration, and data migration.

Maintenance: After the software is deployed, it enters the maintenance phase, where it is monitored and maintained to ensure its proper functioning. This phase includes bug fixes, updates, enhancements, and support activities.

It’s important to note that different development methodologies, such as Waterfall, Agile, or DevOps, may have variations in the SDLC phases and their order. Agile methodologies, for example, emphasize iterative and incremental development, with shorter cycles called sprints.

The SDLC provides a structured approach to manage software development projects, ensuring that they are delivered on time, within budget, and with high quality. It helps in minimizing risks, controlling costs, and ensuring that the final software product meets the needs of the stakeholders.