Java Concurrency perguntas e respostas de entrevista
Pergunta 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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Pergunta 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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Pergunta 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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Pergunta 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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Pergunta 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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