lima.mathematical.utilities
Class PermutingSet

java.lang.Object
  |
  +--lima.mathematical.utilities.PermutingSet

public class PermutingSet

extends java.lang.Object

A class to provide sucessive choices of a given number of objects from a set

Constructor Summary

PermutingSet(int n, int k)
Construct a new Permuting Set object

Method Summary

int[]	getPermutation() Return an array with the selected set elements, indexed at zero
boolean	nextKofN() Make the next choice of elements from the set.

Methods inherited from class java.lang.Object

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

Constructor Detail

PermutingSet

public PermutingSet(int n,
                    int k)

Construct a new Permuting Set object

Parameters:

n - - size of the set from which we wish to choose objects

k - - the number of objects we wish to pick from this set

Method Detail

nextKofN

public boolean nextKofN()

Make the next choice of elements from the set.

getPermutation

public int[] getPermutation()

Return an array with the selected set elements, indexed at zero