A methodology is generally a guideline system for solving a problem, with specific components such as phases, tasks, methods, techniques and tools.
Software development methodologies include:
“Extreme Programming (XP)” is one of the several agile processes, it stresses more on customer satisfaction rather than project delivery deadlines. It empowers software developers to confidently respond to changing customer requirements, even late in the life cycle. As a type of agile software process, it aims at dividing the entire software development project into smaller parts, which helps in reducing the cost of change or modification.
Extreme Programming methodology takes its name from the idea that the beneficial elements of traditional software engineering practices are taken to “extreme” levels. This methodology is best suited for large size projects wherein the project requirements may change over a period of time.