# Uses of Interface
org.apache.commons.collections4.iterators.IteratorOperations

Packages that use IteratorOperations
Package
Description
org.apache.commons.collections4.iterators
Implements the `Iterator` interface.

- ## Uses of IteratorOperations in org.apache.commons.collections4.iterators

  Classes in org.apache.commons.collections4.iterators that implement IteratorOperations
  Modifier and Type
  Class
  Description
  `final class`
  `ExtendedIterator<T>`
  Extends Iterator functionality to include operations commonly found on streams (e.g. filtering, concatenating, mapping).
  `class`
  `FilterIterator<E>`
  Decorates an `Iterator` using an optional predicate to filter elements.
  `class`
  `UniqueFilterIterator<E>`
  A FilterIterator which only returns "unique" Objects.