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Questions - java.util.concurrent

Concurrency problem with Coroutines and Socket Android

I have a chat application which of course works with Sockets. So i have build a SocketManager where i have the callbacks and the sendMethod from the implementation 'com.neovisionaries:nv-websocket-cli...
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james04

android

kotlin

kotlin-coroutines

java.util.concurrent

coroutinescope

Votes: 0

Answers: 1

Latest Answer

scope.launch starts a job asynchronously. it returns a Job that you can hold onto and cancel on await. If you just want to ensure the job happens on the IO Dispatcher, then you probably want withConte...
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Yuri Schimke

When to use BlockingQueue over TransferQueue?

Difference between BlockingQueue and TransferQueue have well explained the difference between these two queues, but looks like TransferQueue is just a better version of BlockingQueue. Is there any sit...
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Deqing

java

queue

java.util.concurrent

blockingqueue

Votes: 0

Answers: 1

Latest Answer

Using TransferQueue could slow down throughput, especially if the processing time for each work unit in producer / consumer varies. Consider an example where producer / consumer average speed is the s...
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DuncG

Why not to use synchronized ArrayList even in single thread cases?

I have run the following code to measure the time and performance difference between adding elements to ArrayList vs synchronized version of it, and surprisingly haven't find any significant differenc...
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al pal

java

multithreading

collections

java.util.concurrent

Votes: 0

Answers: 2

Latest Answer

synchronization, when it is actually used, really does cost. However, hotspot is pretty decent at realizing that a mutex isn't actually doing anything useful and eliminating it. That's what you're see...
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rzwitserloot

Why does this code cause "this reference" to escape implicitly?

What does "When the inner EventListener instance is published,so is the enclosing ThisEscape instance." mean? This quote is from 《java Concurrency in Practice》 public class ThisEscape { publ...
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xuleilei

java

reference

escaping

this

java.util.concurrent

Votes: 0

Answers: 1

Latest Answer

ThisEscape instance is published during construction because doSomething is a method of ThisEscape , which can cause unforeseen problems. A simple code example, when a event occurs, the ThisEscape obj...
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zysaaa

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