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Java Concurrency Pertanyaan dan Jawaban Wawancara

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Ques 16. What is the purpose of the CyclicBarrier class?

CyclicBarrier is a synchronization aid that allows a set of threads to wait for each other to reach a common barrier point before proceeding.

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Ques 17. Explain the concept of the Future and FutureTask in Java.

Future represents the result of an asynchronous computation, and FutureTask is a concrete implementation of the Future interface.

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Ques 18. What is the purpose of the Semaphore class?

Semaphore is a synchronization aid that allows a fixed number of threads to access a certain resource concurrently.

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Ques 19. Explain the concept of the Exchanger class.

Exchanger is a synchronization point at which threads can pair and swap elements within pairs.

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Ques 20. What is the purpose of the LockSupport class?

LockSupport provides low-level thread park and unpark mechanisms, useful for building higher-level synchronization abstractions.

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