Answer
Shared data introduces race conditions, stale reads, memory-order issues, and partial updates.
Proper synchronization is required to ensure correctness.
Quick Answer
Shared mutable data across threads leads to race conditions (two threads modify at the same time), stale reads (one thread caches an old value), and partial updates (a write is only halfway done when another thread reads). Always protect shared state with locks, atomic operations, or immutable data.
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