Package 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 17760 2018-11-14 14:54:11Z colin $

Author:

tlerios@marketcetera.com

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CollectionUtils()	Constructor.

Method Summary

Modifier and Type	Method	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

Constructor Detail

CollectionUtils

private CollectionUtils()

Constructor. It is private so that no instances can be created.

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.

Type Parameters:

E - the element

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.