Package org.apache.commons.collections4

Interface SortedMultiSet<E>

Type Parameters:

E - The type held in the multiset

All Superinterfaces:

Collection<E>, Iterable<E>, MultiSet<E>

All Known Implementing Classes:

AbstractSortedMultiSetDecorator, PredicatedSortedMultiSet, SynchronizedSortedMultiSet, TransformedSortedMultiSet, TreeMultiSet, UnmodifiableSortedMultiSet

public interface SortedMultiSet<E>
extends MultiSet<E>

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

Since:

4.6.0

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.commons.collections4.MultiSet

MultiSet.Entry<E>

Method Summary

Modifier and Type	Method	Description
Comparator<? super E>	comparator()	Returns the comparator associated with this sorted multiset, 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 java.util.Collection

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

Methods inherited from interface java.lang.Iterable

forEach

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

add, add, containsAll, entrySet, equals, getCount, hashCode, iterator, remove, remove, removeAll, retainAll, setCount, size, uniqueSet

Method Details

comparator

Comparator<? super E> comparator()

Returns the comparator associated with this sorted multiset, 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 multiset.

last

E last()

Returns the last (highest) member.

Returns:

The last element in the sorted multiset.