Google Collections Library is a suite of new collections and collection-related goodness for Java 5.0
'com.google.code.google-collections:google-collect:snapshot-20080321'
<dependency>
<groupId>com.google.code.google-collections</groupId>
<artifactId>google-collect</artifactId>
<version>snapshot-20080321</version>
</dependency>
<dependency org="com.google.code.google-collections" name="google-collect" rev="snapshot-20080321"/>
"com.google.code.google-collections", "google-collect", "snapshot-20080321"