Overview (Apache Commons Collections 3.2.2 API)

Packages
Package	Description
org.apache.commons.collections	This package contains the interfaces and utilities shared across all the subpackages of this component.
org.apache.commons.collections.bag	This package contains implementations of the `Bag` and `SortedBag` interfaces.
org.apache.commons.collections.bidimap	This package contains implementations of the `BidiMap`, `OrderedBidiMap` and `SortedBidiMap` interfaces.
org.apache.commons.collections.buffer	This package contains implementations of the `Buffer` interface.
org.apache.commons.collections.collection	This package contains implementations of the `Collection` interface.
org.apache.commons.collections.comparators	This package contains implementations of the `Comparator` interface.
org.apache.commons.collections.functors	This package contains implementations of the `Closure`, `Predicate`, `Transformer` and `Factory` interfaces.
org.apache.commons.collections.iterators	This package contains implementations of the `Iterator` interface.
org.apache.commons.collections.keyvalue	This package contains implementations of collection and map related key/value classes.
org.apache.commons.collections.list	This package contains implementations of the `List` interface.
org.apache.commons.collections.map	This package contains implementations of the `Map`, `IterableMap`, `OrderedMap` and `SortedMap` interfaces.
org.apache.commons.collections.set	This package contains implementations of the `Set` and `SortedSet` interfaces.