7/23/2023 0 Comments Implement queue java![]() In the next parts of this series, I'll show you how to implement queues yourself, starting with implementing a queue with a stack. This article has provided an overview of all Queue implementations available in Java, as well as a decision aid for which cases to use which queue. The open-source library JCTools provides highly optimized queue implementations for all four cases. With special mechanisms, it is possible to optimize queues so that the overhead for maintaining thread safety is minimized when there is a restriction to one reading and/or one writing thread.Īccordingly, the following four cases are distinguished: This means that one or more writing threads and one or more reading threads can access the JDK queues concurrently. Here is the process in the form of a decision tree:ĭecision tree Java Queue implementations Optimized MPMC, MPSC, SPMC, and SPSC QueuesĪll thread-safe queue implementations provided by the JDK can be used in multi-producer-multi-consumer environments. ![]()
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