SortedBag

org.apache.commons.collections4

Interface SortedBag<E>

Type Parameters:

E - the type to iterate over

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

All Methods

Instance Methods

Abstract Methods
Modifier and Type	Method and 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 Detail
  - 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