org.kemet.impl.grammar.toolbox
Class Combinatorial

java.lang.Object
  org.kemet.impl.grammar.toolbox.Combinatorial

public class Combinatorial
extends java.lang.Object

Since:

0.2

Author:

fabricemaupin

generate all combinations and permutations from a caracters list.

Constructor Summary

Combinatorial()

Method Summary

static java.util.Enumeration	allCombinations(java.lang.String listOfElements, int elementsNumberInCombination) generate all combinations (listOfElements * elementsNumberInCombination).
static java.util.Enumeration	allPermutations(java.lang.String str) generate all permutations.

Methods inherited from class java.lang.Object

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

Constructor Detail

Combinatorial

public Combinatorial()

Method Detail

allCombinations

public static java.util.Enumeration allCombinations(java.lang.String listOfElements,
                                                    int elementsNumberInCombination)

generate all combinations (listOfElements * elementsNumberInCombination).

Parameters:

listOfElements - list of elements to treat

elementsNumberInCombination - elements number in combination

Returns:

list of combinations

Since:

0.2

allPermutations

public static java.util.Enumeration allPermutations(java.lang.String str)

generate all permutations.

Parameters:

str - string used for permutations

Returns:

all permutations

Since:

0.2