libcore.util

Class CollectionUtils

java.lang.Object

libcore.util.CollectionUtils

public final class CollectionUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static <T> Iterable<T>	dereferenceIterable(Iterable<? extends Reference<T>> iterable, boolean trim) Returns an iterator over the values referenced by the elements of iterable.
static <T> void	removeDuplicates(List<T> list, Comparator<? super T> comparator) Sorts and removes duplicate elements from list.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

dereferenceIterable

public static <T> Iterable<T> dereferenceIterable(Iterable<? extends Reference<T>> iterable,
                                                  boolean trim)

Returns an iterator over the values referenced by the elements of iterable.

Parameters:

trim - true to remove reference objects from the iterable after their referenced values have been cleared.

removeDuplicates

public static <T> void removeDuplicates(List<T> list,
                                        Comparator<? super T> comparator)

Sorts and removes duplicate elements from list. This method does not use Object.equals(java.lang.Object): only the comparator defines equality.