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Beranda / Subjek Wawancara / Java Concurrency
WithoutBook LIVE Mock Interviews Java Concurrency Related interview subjects: 39

Interview Questions and Answers

Know the top Java Concurrency interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Total 30 questions Interview Questions and Answers

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Know the top Java Concurrency interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

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Freshers / Beginner level questions & answers

Intermediate / 1 to 5 years experienced level questions & answers

Ques 8

What is the purpose of the java.util.concurrent package?

The java.util.concurrent package provides a framework for concurrent programming, including high-level abstractions such as Executors, Concurrent Collections, and synchronization utilities.
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Experienced / Expert level questions & answers

Ques 21

Explain the concept of the CopyOnWriteArrayList class.

CopyOnWriteArrayList is a thread-safe variant of ArrayList in which all mutative operations (add, set, etc.) are implemented by making a fresh copy of the underlying array.
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Ques 23

Explain the concept of the ReadWriteLock interface.

ReadWriteLock provides a pair of associated locks for read and write access, allowing multiple threads to read the data concurrently or a single thread to write it exclusively.
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Ques 25

Explain the concept of the BlockingQueue interface.

BlockingQueue is a queue that supports operations that wait for the queue to become non-empty when retrieving an element and wait for space to become available when storing an element.
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Ques 27

Explain the concept of the CompletableFuture class.

CompletableFuture is a higher-level replacement for the Future interface, providing a more flexible and composable way to handle asynchronous computations.
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