High Performance Primitive Collections

High Performance Primitive Collections: data structures (maps, sets, lists, stacks, queues) generated for combinations of object and primitive types to conserve JVM memory and speed up execution.

<dependency>
    <groupId>com.carrotsearch</groupId>
    <artifactId>hppc</artifactId>
    <version>0.9.0</version>
</dependency>

compile group: 'com.carrotsearch', name: 'hppc', version: '0.9.0'

compile 'com.carrotsearch:hppc:0.9.0'

libraryDependencies += "com.carrotsearch" % "hppc" % "0.9.0"

<dependency org="com.carrotsearch" name="hppc" rev="0.9.0"/>

@Grapes(
            @Grab(group='com.carrotsearch', module='hppc', version='0.9.0')
        )

[com.carrotsearch/hppc "0.9.0"]

'com.carrotsearch:hppc:jar:0.9.0'