What are the practical uses for AtomicInteger?

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I have knowledge that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though?

Jul 18, 2018 in Java by Akrati
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1 answer to this question.

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There are two main uses of AtomicInteger:

  • As an atomic counter (incrementAndGet()) that can be used by many threads concurrently

  • As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.

answered Jul 18, 2018 by Akrati
• 960 points

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