Test-Driven Development (TDD) One of the most extensively used subsets of Agile methodologies, because it ensures working code and unfailing designs. Sometimes known as “Test-First Development,” or TFD, TDD was introduced to the IT world by Kent Beck, the famous creator of XP. As such, this methodology is considerably influenced by the “test-first programming” approach of XP. Test-Driven Development is a software development method that involves writing automated test code first and developing the least amount of code necessary to pass that test later.
DYNAMIC SYSTEMS DEVELOPMENT METHODS (DSDM) Dynamic Systems Development Method was introduced in 1994 as a possible solution to the unstructured Rapid Application Development (RAD). DSDM closely follows iterative and incremental approach, which is the hallmark of Agile methodology. DSDM sets cost, quality, and time at the outset, and adjusts the project deliverables to meet the set criteria by prioritizing the deliverables into musts, shoulds, coulds, and won’t haves (MoSCoW).
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