Apache Commons Collections Java Commons Collections Types that extend and augment the Java Collections Framework. commons-collections 2019-07-05 4.4 commons-collections 2019-02-05 4.3 commons-collections 2018-07-11 4.2 commons-collections 2015-11-27 4.1 commons-collections 2013-11-24 4.0 commons-collections 2015-11-14 3.2.2 commons-collections 2008-04-15 3.2.1 commons-collections 2006-05-14 3.2 commons-collections 2004-06-23 3.1 commons-collections 2004-06-23 2.1.1