fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists, and queues with a small memory footprint and fast access and insertion; it provides also big (64-bit) arrays, sets and lists, sorting algorithms, fast, practical I/O classes for binary and text files, and facilities for memory mapping large files. Note that if you have both this jar and fastutil-core.jar in your dependencies, fastutil-core.jar should be excluded.

Artifacts using Fastutil (1,256)
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Pulsar Client Java Original
Last Release on Apr 29, 2026
Apache Tephra Transaction System Core Module
Last Release on May 12, 2021
eXist-db NoSQL Database Core
Last Release on Mar 6, 2026
Flink : Formats : Parquet
Last Release on May 12, 2026
IJ Parsing Core
Last Release on Apr 16, 2026
GlassConfigAPI
Last Release on Feb 4, 2026
Presto Main
Last Release on Dec 29, 2022
Chemistry Base
Last Release on Aug 1, 2024
Druid Server
Last Release on Oct 9, 2018

Relocated → org.apache.druid » druid-server
Cytoscape Model Impl (model Impl)
Last Release on Mar 5, 2014