SortedBag (Commons Collections 3.2.2 API)

All Superinterfaces:

Bag, Collection, Iterable

All Known Implementing Classes:

AbstractSortedBagDecorator, PredicatedSortedBag, SynchronizedSortedBag, TransformedSortedBag, TreeBag, TreeBag, UnmodifiableSortedBag
```
public interface SortedBag
extends Bag
```
Defines a type of Bag that maintains a sorted order among its unique representative members.

Since:

Commons Collections 2.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $

Author:

Chuck Burdick

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Comparator`	`comparator()`	Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
`Object`	`first()`	Returns the first (lowest) member.
`Object`	`last()`	Returns the last (highest) member.

Methods inherited from interface org.apache.commons.collections.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, toArray

Methods inherited from interface java.lang.Iterable
forEach

- Method Detail
  - comparator
```
Comparator 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
```
Object first()
```
    Returns the first (lowest) member.
    
    Returns:
    
    the first element in the sorted bag
  - last
```
Object last()
```
    Returns the last (highest) member.
    
    Returns:
    
    the last element in the sorted bag