Answer
The lock keyword prevents multiple threads from accessing a shared resource at the same time.
It ensures thread safety.
Quick Answer
The lock keyword prevents two threads from entering the same block of code at the same time. One thread acquires the lock; others wait. Always lock on a private dedicated object — not this — to avoid accidental interference from outside code.
S
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