Top "Countdownlatch" questions

A countdown latch is a synchronization primitive that allows one or more threads to wait until a certain number of operations are completed on other threads.

How is CountDownLatch used in Java Multithreading?

Can someone help me to understand what Java CountDownLatch is and when to use it? I don't have a very …

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Java concurrency: Countdown latch vs Cyclic barrier

I was reading through the java.util.concurrent API, and found that CountDownLatch: A synchronization aid that allows one or …

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CountDownLatch vs. Semaphore

Is there any advantage of using java.util.concurrent.CountdownLatch instead of java.util.concurrent.Semaphore? As far as I …

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Resettable CountdownLatch

I need something which is directly equivalent to CountDownLatch, but is resettable (remaining thread-safe!). I can't use classic synchronisation constructs …

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What is the difference between join and CountDownLatch?

When waiting for other threads to finish, we can use either join or CountdownLatch. What are the pros and cons …

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How to return a value using CompletableFuture

I created an example, i want to know how can I return a value using the CompletableFuture ? I also changed …

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Flexible CountDownLatch?

I have encountered a problem twice now whereby a producer thread produces N work items, submits them to an ExecutorService …

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Best way to wait for retrofit2 to finish before continuing async

I realize similar questions have been asked but I am new to android and find the answers a bit confusing …

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