org.opensubsystems.core.util
Class ArrayUtils

java.lang.Object
  org.opensubsystems.core.util.ArrayUtils

public final class ArrayUtils
extends java.lang.Object

Collection of useful utilities to work with arrays.

Version:

$Id: ArrayUtils.java,v 1.9 2007/01/23 06:00:30 bastafidli Exp $

Author:

Peter Satury

Code reviewer:

Miro Halas

Code reviewed:

1.5 2005/07/29 07:36:24 bastafidli

Method Summary

static int	contains(int[] source, int iTarget) Test if specified array contains given element and if it does, find its position.
static int[]	exclude(int[] arrBase, int[] arrExclude) Method to exclude 2 arrays of ints so that the result contains all elements from the first array, which are not in the second array.
static long	sum(int[] source) Sum all elements in the array.

Methods inherited from class java.lang.Object

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

Method Detail

exclude

public static int[] exclude(int[] arrBase,
                            int[] arrExclude)

Method to exclude 2 arrays of ints so that the result contains all elements from the first array, which are not in the second array.

Parameters:

arrBase - - base array to exclude from

arrExclude - - array to exclude from the first one

Returns:

int[] - array which contains all elements from the first array which are not in the second array or null

contains

public static int contains(int[] source,
                           int iTarget)

Test if specified array contains given element and if it does, find its position.

Parameters:

source - - array to search, can be null

iTarget - - element to find

Returns:

int - -1 if it doesn't exist there otherwise its position

sum

public static long sum(int[] source)

Sum all elements in the array.

Parameters:

source - - array to sum elements of

Returns:

long - sum of the elements in the array