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What does "redundant" mean in programming?
redundant 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
Describes code, logic, or data that is duplicated or unnecessary because it adds no new information or behavior. Redundant code increases maintenance burden. Common code review comment.
Example
"This null check is redundant — the value is guaranteed to exist by the time we reach this line."
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