org.mmbase.util
Class RandomThings

java.lang.Object
  org.mmbase.util.RandomThings

public class RandomThings
extends Object

Class for doing random things.

Version:

$Id: RandomThings.java 35335 2009-05-21 08:14:41Z michiel $

Author:

Rico Jansen

Deprecated-now:

not used anywhere

Constructor Summary

RandomThings()

Method Summary

static Vector<Object>	giveRandomFrom(Vector<Integer> v, int max) Return 'max' random elements from a Vector.
static void	main(String[] args) entrypoint for calling this class from the commandline For testing
static void	shuffleArray(int[] arr) Deprecated. use java.util.
static Vector<Object>	shuffleCloneVector(Vector<Integer> v) Deprecated. java.util.Collections#shuffle and clone
static void	shuffleVector(Vector<Object> v) Deprecated. java.util.Collections#shuffle

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomThings

public RandomThings()

Method Detail

shuffleVector

public static void shuffleVector(Vector<Object> v)

Deprecated. java.util.Collections#shuffle

Shuffle a Vector until it is a Random mess

shuffleCloneVector

public static Vector<Object> shuffleCloneVector(Vector<Integer> v)

Deprecated. java.util.Collections#shuffle and clone

Return a new Shuffled vector

shuffleArray

public static void shuffleArray(int[] arr)

Deprecated. use java.util.

Shuffle an integer array

giveRandomFrom

public static Vector<Object> giveRandomFrom(Vector<Integer> v,
                                            int max)

Return 'max' random elements from a Vector. No duplicates will be given.

main

public static void main(String[] args)

entrypoint for calling this class from the commandline For testing