Extreme Programming (XP) – Page 2

Extreme Programming Experiences: Part 2 of 5: “Lazy YAGNI”

“Lazy YAGNI”

You Aren’t Gonna Need It can lead to some silly situations if you interpret it too pessimistically. The pessimistic (and wrong) interpretation is that you should pretend that the user story you’re implementing is the only one you know about. This equates to doing zero up-front design, because you’re only concerned with whether the design satisfies the user story you’re currently implementing. The price of making this mistake is design churn: each new requirement may incur a large rewrite of existing code. This is obviously not a recipe for productivity.
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Extreme Programming Experiences: Part 1 of 5: Do The Simplest Thing That Could Possibly Work

Do The Simplest Thing That Could Possibly Work

This does not mean “do the least work possible”. Doing the least possible is not XP, it is hackery, which is the methodology that leads to a Big Ball of Mud.
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Extreme Programming Experiences: Introduction

Over the last six months I’ve had the privilege of working in a software development team that was practicing the closest thing to a full implmentation of XP that I’ve ever seen.
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