Java Concurrency Tools for the JVM. This project aims to offer some concurrent data structures currently missing from the JDK: SPSC/MPSC/SPMC/MPMC variations for concurrent queues: SPSC - Single Producer Single Consumer (Wait Free, bounded and unbounded) MPSC - Multi Producer Single Consumer (Lock less, bounded and unbounded) SPMC - Single Producer Multi Consumer (Lock less, bounded) MPMC - Multi

