SwapPermutationsIterator download

Java generic Iterator implementation to generate permutations and combinations.

Uses the algorithm described here http://en.wikipedia.org/wiki/Steinhaus%E2%80%93Johnson%E2%80%93Trotter_algorithm#Even.27s_speedup and the clear description of that algorithm here: http://www.cut-the-knot.org/Curriculum/Combinatorics/JohnsonTrotter.shtml

Features

Iterator going through all permutations of elements in a Collection
Iterator going through all pair wise swaps required to generate all permutations
Iterator generating all combinations of elements in a Collection
All strongly typed by using generic type (Iterator<T>)

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License

BSD License

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Additional Project Details

Intended Audience

Developers

Programming Language

Java

Related Categories

Java Algorithms, Java Libraries

Registered

2012-12-19

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