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java.lang.Objectgroovy.util.PermutationGenerator<E>
public class PermutationGenerator<E>
Constructor Summary | |
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PermutationGenerator(java.util.Collection<E> items)
WARNING: Don't make n too large. |
Method Summary | |
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java.math.BigInteger |
getTotal()
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boolean |
hasNext()
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java.util.List<E> |
next()
Generate next permutation (algorithm from Rosen p. |
void |
remove()
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void |
reset()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PermutationGenerator(java.util.Collection<E> items)
items
- the items to permuteMethod Detail |
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public void reset()
public java.math.BigInteger getTotal()
public boolean hasNext()
hasNext
in interface java.util.Iterator<java.util.List<E>>
public java.util.List<E> next()
next
in interface java.util.Iterator<java.util.List<E>>
public void remove()
remove
in interface java.util.Iterator<java.util.List<E>>
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