The Trove library provides high speed regular and primitive collections for Java.
'net.sf.trove4j:trove4j:2.1.0'
<dependency>
<groupId>net.sf.trove4j</groupId>
<artifactId>trove4j</artifactId>
<version>2.1.0</version>
</dependency>
<dependency org="net.sf.trove4j" name="trove4j" rev="2.1.0"/>
"net.sf.trove4j", "trove4j", "2.1.0"