Java Threading · interview question
Why does using volatile keyword in a multi-threaded environment change runtime behavior?
Multiple choiceMediumchapter-15-curatedpremiumjava-threadingvirtual-threads
Answer and explanation
Correct answer
D. It ensures visibility of changes to variables across threads.
Why
The volatile keyword ensures that updates to a variable are visible to other threads, providing a visibility guarantee without making the operations atomic. It is essential for safely sharing mutable data across threads.
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