package java.util;
/**
* Mixin interface used by collections, maps, and similar objects to
* indicate that their elements or mappings are stored in sorted
* order. This allows consumers of collections to determine if the collection
* is sorted, and if so, retrieve the sort comparator.
* @since 1.5
* @author Josh Bloch
*/
public interface Sorted {
/**
* Returns the comparator used to order this collection, or null
* if this collection is sorted according to its elements natural ordering
* (using Comparable.)
*
* @return the comparator used to order this collection, or null
* if this collection is sorted according to its elements natural ordering.
*/
Comparator comparator();
}