Question
You are designing a system where multiple threads need to access and modify a shared counter variable. What is a critical concern you must address to ensure correctness?
Solution
When multiple threads access and modify shared data concurrently, a race condition can occur. This means the final outcome depends on the non-deterministic order in which the threads execute their operations, potentially leading to incorrect results. Synchronization mechanisms (like locks or mutexes) are needed to prevent race conditions.
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