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What is rapid application development?
Rapid application development, or RAD, refers to an agile software development model that focuses more on prototyping, ongoing software projects, and user feedback instead of focusing on software planning. RAD represents one of the best approaches to rapidly test software functionalities without having concern for any effects on the end product.
RAD emphasizes quick prototyping over planning strategies that can be costly. It enables software developers to work faster and create several iterations of software and updates without having to start the process from the beginning. It also ensures that the end result is more focused on end-user agreements and overall quality.
There are four phases of RAD methods, these include:
Defining requirements for specific software
Instead of spending many expensive months planning for a software application or program, RAD defines the requirements for specific software in a loose manner. This allows developers and engineers to use these loosely defined requirements in a more experimental fashion, rather than a strict plan. This can also stir creativity and innovation.
Prototyping the software
RAD encourages the rapid creation of a prototype or multiple prototypes from developers. The idea is to make a prototype(s) as quickly as possible so the client or stakeholder can view them. Then during the finalization stage developers can amend any technical issues experienced with earlier prototypes.
Take in user feedback
User feedback is critical and it is a major priority of rapid application development. Once a prototype has been created, developers gather feedback from users, or clients, on everything from design, UI, and all functionalities of the software. During this stage, product requirements might be evaluated, making up for the speedy initial process of avoiding too much planning.
Finalize the product
This is the last stage of RAD development and it sees developers optimize or even re-engineer their implementation of the software to make improvements on maintainability and stability. Other aspects of this stage might also include:
The connection of the back-end to production information and data
Writing through different documentation
Completing all other maintenance tasks required before the software can be provided to the client
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