Package org.apache.commons.collections4

Interface SortedBag<E>

Type Parameters:

E - the type of elements in this bag

All Superinterfaces:

Bag<E>, Collection<E>, Iterable<E>

All Known Implementing Classes:

AbstractSortedBagDecorator, CollectionSortedBag, PredicatedSortedBag, SynchronizedSortedBag, TransformedSortedBag, TreeBag, UnmodifiableSortedBag

public interface SortedBag<E>
extends Bag<E>

Defines a type of Bag that maintains a sorted order among its unique representative members.

Since:

2.0

Method Summary

Modifier and Type	Method	Description
Comparator<? super E>	comparator()	Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
E	first()	Returns the first (lowest) member.
E	last()	Returns the last (highest) member.

Methods inherited from interface org.apache.commons.collections4.Bag

add, add, containsAll, getCount, iterator, remove, remove, removeAll, retainAll, size, uniqueSet

Methods inherited from interface java.util.Collection

addAll, clear, contains, equals, hashCode, isEmpty, parallelStream, removeIf, spliterator, stream, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach

Method Details

comparator

Comparator<? super E> comparator()

Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.

Returns:

the comparator in use, or null if natural ordering

first

E first()

Returns the first (lowest) member.

Returns:

the first element in the sorted bag

last

E last()

Returns the last (highest) member.

Returns:

the last element in the sorted bag