de.rwth.utils
Class ArrayTools

java.lang.Object
  |
  +--de.rwth.utils.ArrayTools

public class ArrayTools

extends java.lang.Object

A collection of useful methods for arrays.

Version:

$Id: ArrayTools.java,v 1.2 2002/09/17 06:53:53 mohnen Exp $

Author:

Markus Mohnen

Constructor Summary

ArrayTools()

Method Summary

static java.lang.Object[]	fill(java.lang.Object[] a, java.lang.Object v) Fills an array and returns the array.
static void	main(java.lang.String[] args) Mini test environment.
static int[]	minus(int[] a, int[] b) Creates a new array with those elements which are in the array a, but not in the array b.
static void	printArray(int[] a) Prints an array on System.out.
static int[]	union(int[] a, int[] b) Creates a new array with those elements which are either in the array a or the array b.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayTools

public ArrayTools()

Method Detail

fill

public static java.lang.Object[] fill(java.lang.Object[] a,
                                      java.lang.Object v)

Fills an array and returns the array.

Parameters:

a - an Object[] value

v - an Object value

Returns:

an Object[] value

See Also:

Arrays.fill(Object[],Object)

minus

public static int[] minus(int[] a,
                          int[] b)

Creates a new array with those elements which are in the array a, but not in the array b.

Parameters:

a - an int[] value

b - an int[] value

Returns:

an int[] value

union

public static int[] union(int[] a,
                          int[] b)

Creates a new array with those elements which are either in the array a or the array b.

Parameters:

a - an int[] value

b - an int[] value

Returns:

an int[] value

printArray

public static void printArray(int[] a)

Prints an array on System.out.

Parameters:

a - an int[] value

main

public static void main(java.lang.String[] args)

Mini test environment.

Parameters:

args - a String[] value