Java Utililty Methods Permute

List of utility methods to do Permute

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Permute

Description

The list of methods to do Permute are organized into topic(s).

Method

ArrayList> permutationBuilder(ArrayList curList, int next)
permutation Builder

ArrayList<ArrayList<Integer>> listOfNewPerm = new ArrayList<ArrayList<Integer>>();
for (int i = 0; i <= curList.size(); i++) {
 ArrayList<Integer> k = new ArrayList<Integer>(curList);
 k.add(i, next);
 listOfNewPerm.add(k);
return listOfNewPerm;

ArrayList> permutationBuilder2(ArrayList> inputArray, int k)
permutation Builder

ArrayList<ArrayList<Integer>> listOfAllPerm = new ArrayList<ArrayList<Integer>>();
for (int i = 0; i < inputArray.size(); i++) {
 ArrayList<ArrayList<Integer>> listOfNewPerm = permutationBuilder(inputArray.get(i), k);
 for (int j = 0; j < listOfNewPerm.size(); j++) {
 listOfAllPerm.add(listOfNewPerm.get(j));
return listOfAllPerm;
...

List permute(Iterable files, Random rand)
permute

List<File> r = new ArrayList<>();
for (File file : files) {
 int i = rand.nextInt(r.size() + 1);
 if (i == r.size()) {
 r.add(file);
 } else {
 r.add(r.get(i));
 r.set(i, file);
...