V Model
The V Model is a software development lifecycle (SDLC) model that emphasizes verification and validation at each stage of the development process. It is an extension of the waterfall model, where each phase of development has a corresponding testing phase, forming a V-shaped diagram. This model ensures that testing activities are planned and executed in parallel with development, promoting early defect detection and reducing rework.
Developers should learn the V Model when working on projects with strict quality requirements, such as in safety-critical systems (e.g., aerospace, medical devices) or regulated industries, as it provides a structured approach to testing. It is particularly useful in scenarios where requirements are well-defined and unlikely to change, as it helps ensure that each development phase is thoroughly validated before moving to the next, minimizing risks and improving reliability.