fastutil
Trove
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fastutil
Trove
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What are some alternatives?
Eclipse Collections - Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
Koloboke - Java Collections till the last breadcrumb of memory and performance
HPPC - High Performance Primitive Collections for Java
Agrona - High Performance data structures and utility methods for Java
GS Collections - GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/
Primitive-Collections - A Primitive Collection library that reduces memory usage and improves performance and provides a lot of QoL
Disruptor - High Performance Inter-Thread Messaging Library