org.marketcetera.util.misc

Class CollectionUtils

java.lang.Object

org.marketcetera.util.misc.CollectionUtils

public final class CollectionUtils
extends Object

Utilities for collections.

Since:

0.6.0

Version:

$Id: CollectionUtils.java 16154 2012-07-14 16:34:05Z colin $

Author:

tlerios@marketcetera.com

Method Summary

Methods

Modifier and Type	Method and Description
static <E> E	getLastNonNull(List<E> l) Returns the last non-null element in the given list; or, if there is no non-null element, it returns null.
static int[]	toArray(List<Integer> l) Returns the non-null integers in the given list as an array.

Methods inherited from class java.lang.Object

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

Method Detail

getLastNonNull

public static <E> E getLastNonNull(List<E> l)

Returns the last non-null element in the given list; or, if there is no non-null element, it returns null.

Parameters:

l - The list. It may be null, in which case null is returned.

Returns:

The element.

toArray

public static int[] toArray(List<Integer> l)

Returns the non-null integers in the given list as an array.

Parameters:

l - The list. It may be null, in which case null is returned.

Returns:

The array.