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What does "YAGNI" mean in programming?
YAGNI is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
Short for You Aren't Gonna Need It. A principle that says do not add functionality until it is actually needed. Avoid building features for hypothetical future requirements that may never arrive. Part of Extreme Programming (XP) practices.
Example
"Don't add the caching layer now — YAGNI. If performance becomes a problem, add it then with real data."
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