org.refcodes.collection

Class CollectionUtility

java.lang.Object

org.refcodes.collection.CollectionUtility

public final class CollectionUtility
extends Object

Method Summary

Modifier and Type	Method and Description
static <E> List<E>	toArrayList(Iterator<? extends E> anIterator) Creates a new list and copies the content of the iterator into the list.
static int	toMaxLength(Collection<?>... aCollections) Returns the max size of the collections passed to this method.
static <T> int	toMaxLength(T[]... aObjects) Returns the max length of the arrays passed to this method.

Methods inherited from class java.lang.Object

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

Method Detail

toArrayList

public static <E> List<E> toArrayList(Iterator<? extends E> anIterator)

Creates a new list and copies the content of the iterator into the list. Caution: The iterator is empty afterwards! You may easily retrieve an iterator with the same elements as the provided one by using the method 'iterator()' of the returned list.

Parameters:

anIterator - Description of the Parameter

Returns:

Description of the Return Value

toMaxLength

@SafeVarargs
public static <T> int toMaxLength(T[]... aObjects)

Returns the max length of the arrays passed to this method.

Parameters:

aObjects - The arrays of which the length of the one with the most elements is returned.

Returns:

The max length of elements found in the provided arrays or -1 if all the arrays were null.

toMaxLength

public static int toMaxLength(Collection<?>... aCollections)

Returns the max size of the collections passed to this method.

Parameters:

aCollections - The collections of which the size of the one with the most elements is returned.

Returns:

The max length of elements found in the provided collections or -1 if all the collections were null.