Welcome changing requirements, even late in development. Agile
processes harness change for the customer??™s competitive advantage.
Deliver working software frequently, from a couple of weeks to a
couple of months, with a preference to the shorter timescale.
Business people and developers must work together daily
throughout the project.
Build projects around motivated individuals. Give them the
environment and support they need, and trust them to get the
job done.
The most efficient and effective method of conveying information to
and within a development team is face-to-face conversation.
Working software is the primary measure of progress.
Agile processes promote sustainable development. The sponsors,
developers, and users should be able to maintain a constant
pace indefinitely.
Continuous attention to technical excellence and good design
enhances agility.
Simplicity, the art of maximizing the amount of work not done,
is essential.
The best architectures, requirements, and designs emerge from
self-organizing teams.
At regular intervals, the team reflects on how to become more
effective, then tunes and adjusts its behavior accordingly.
Figure 2-2. Agile principles
T H E R O A D T O M A S T E R Y 11
??? Of all the agile methods I know, XP is the most complete.
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