The Fruits of Our Efforts
Code is written once but is changed several times over the lifetime of any nontrivial application. The membership package, in that popular video-on-demand system, went into production last year. But the company now wants the package to manage multi-month subscriptions and automated renewals. That royalty payment package at the record company needs upgrading to integrate with a new third-party electronic payment system. That tax filing software better handle correctly the last-minute changes to the tax laws. The list goes on.
Relevant and useful applications change constantly. That’s one reason why “Embrace Change” is a key principle behind eXtreme Programming (XP). That’s also the reason why “Responding to Change” is ...
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