Shulou(Shulou.com)06/01 Report--

This article mainly introduces the use of getHoldCount, getQueueLength, getWaitQueueLength methods, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

GetHoldCount (): query the number of locks held by the current thread, that is, the number of times the lock () method is called.

GetQueueLength (): returns the number of threads waiting to acquire this lock. If five threads are opened and one thread executes the await () method, 4 is returned when this method is called, indicating that four threads are waiting for the lock to be released.

GetWaitQueueLength: returns the number of waiting threads for the same Condition class. If five threads are started at the same time, the await () method is called, and they are using the same Condition class, then the return value is 5 when the method is called.

Thank you for reading this article carefully. I hope the article "what is the use of getHoldCount, getQueueLength and getWaitQueueLength methods" shared by the editor will be helpful to you. At the same time, I also hope that you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.