public class PermutationGenerator<E> extends Object implements Iterator<List<E>>
Constructor | Description |
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PermutationGenerator(Iterable<E> items) |
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PermutationGenerator(Collection<E> items) |
WARNING: Don't make n too large.
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Modifier and Type | Method | Description |
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BigInteger |
getTotal() |
|
boolean |
hasNext() |
|
List<E> |
next() |
Generate next permutation (algorithm from Rosen p.
|
void |
remove() |
|
void |
reset() |
forEachRemaining
public PermutationGenerator(Collection<E> items)
items
- the items to permutepublic void reset()
public BigInteger getTotal()