Answer
Tail recursion occurs when the final operation of a method is a recursive call.
Allows optimization of stack usage and prevents stack overflow.
Quick Answer
Tail recursion is when the very last thing a method does is call itself recursively. Some compilers optimize this into a loop to avoid growing the call stack. C# does not guarantee tail call optimization, but understanding it matters for writing stack-safe recursive algorithms.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ