tag:blogger.com,1999:blog-694855878384792308.post3742614833984907172..comments2024-03-15T23:19:22.318-07:00Comments on Java67: Difference between CountDownLatch vs CyclicBarrier in Java Multithreadingjavin paulhttp://www.blogger.com/profile/15028902221295732276noreply@blogger.comBlogger12125tag:blogger.com,1999:blog-694855878384792308.post-80754413615012653172018-10-05T06:27:24.794-07:002018-10-05T06:27:24.794-07:00CountDownLatch : Number of threads will wait till ...CountDownLatch : Number of threads will wait till other threads reach a point.<br /><br />CyclicBarrier : Number of threads will wait each other to reach a point and continue their execution.<br /><br />soorejhttps://www.blogger.com/profile/02351837903209023679noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-41573673270321931592017-06-21T05:41:01.328-07:002017-06-21T05:41:01.328-07:00It is a "tricky" interview question as t...It is a "tricky" interview question as the two facilities (barrier and latch) are close in their semantics; in fact, barrier can be replaced for latch if you want to reset the barrier; however, how I differentiate the semantics is thru the analogue that barrier is like a rendezvous point for threads to meet where as latch is like a trip-counter, for all waiting threads to run again. Anonymoushttps://www.blogger.com/profile/09237782239193147707noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-68264584315779491552017-01-02T02:56:42.351-08:002017-01-02T02:56:42.351-08:00How do you say CountDownlatch is more advanceable ...How do you say CountDownlatch is more advanceable than CyclicBarrier ?Anonymoushttps://www.blogger.com/profile/18272831704564250848noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-36565036244533145072016-06-21T05:28:22.231-07:002016-06-21T05:28:22.231-07:00There is a difference in terms of reuse but if its...There is a difference in terms of reuse but if its just one time you have more flexibility. It also depends whether count down situation is more suited to algorithm than reaching to barrier from readability perspective.javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-5572618447280708292016-06-20T23:37:33.895-07:002016-06-20T23:37:33.895-07:00Is CycleBarrier is similer with CountDownlatch whe...Is CycleBarrier is similer with CountDownlatch when CycleBarrier is having only one fixed cycle.If not then which one is to use in one cycle scenario.nityanandasahoohttps://www.blogger.com/profile/12576187595060273432noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-33340038170570115742016-01-19T04:43:27.787-08:002016-01-19T04:43:27.787-08:004th) in CountDownLatch child threads uses parallel...4th) in CountDownLatch child threads uses parallel execution but in CyclicBarrier its serial executionarvindnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-50196612946027240922015-06-18T00:15:45.275-07:002015-06-18T00:15:45.275-07:00Its called cyclic barrier because barrier is reusa...Its called cyclic barrier because barrier is reusable hence cyclic. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-47767268283111144122015-06-16T20:50:05.074-07:002015-06-16T20:50:05.074-07:00For those who likes to see an example of how to u...For those who likes to see an example of <a href="http://java67.blogspot.sg/2015/06/java-countdownlatch-example.html" rel="nofollow">how to use CountDownLatch in Java</a> in order to understand the difference in little bit more details, here is one good example with nice explanation. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-79273228881643893392015-06-16T20:36:57.677-07:002015-06-16T20:36:57.677-07:00You just cannot understand difference between cycl...You just cannot understand difference between cyclic barrier and countdown latch just be reading theory, you need to see the difference and best way is to write code. here is one more example of <a href="http://java67.blogspot.com/2015/06/how-to-use-cyclicbarrier-in-java.html" rel="nofollow">how you can use CyclicBarrier in Java</a> to stop multiple threads at barrier point with easy to understand explanation. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-6379238228336019962014-05-03T11:11:24.528-07:002014-05-03T11:11:24.528-07:00await method implementation is more or less like b...await method implementation is more or less like below<br />public synchronized void await()<br />throws InterruptedException {<br />arrived++;<br />if (arrived < N)<br />wait();<br />else {<br />notifyAll();<br />arrived = 0;<br />}<br />}Anonymoushttps://www.blogger.com/profile/17562405367817164570noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-77524990873657546742013-08-28T02:36:49.275-07:002013-08-28T02:36:49.275-07:00How do you write your own CyclicBarrier by using w...How do you write your own CyclicBarrier by using wait and notify methods? This question is asked to my friend, last month on Nomura interview? Can you please write about?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-51194924162962433992013-04-16T00:30:08.153-07:002013-04-16T00:30:08.153-07:00In short here are main differences between CyclicB...In short here are main differences between CyclicBarrier and CountDownLatch concurrency utils in Java :<br /><br />1) CyclicBarrier is resulable, CountDownLatch is not.<br /><br />2) Both CyclicBarrier and CountDownLatch wait for fixed number of threads.<br /><br />3) CountDownLatch is advanceable but CyclicBarrier is not.<br />Ravinoreply@blogger.com