Answer
Automatic memory cleanup.
GC removes unused objects from the heap and prevents memory leaks.
Quick Answer
GC is .NET's automatic memory cleaner. Instead of freeing memory manually, the GC scans the heap, finds objects with no references, and reclaims that memory. It uses generations (Gen0, Gen1, Gen2) — young objects get collected more often since most objects are short-lived.
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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