Java Utililty Methods ArrayList Shuffle

List of utility methods to do ArrayList Shuffle

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ArrayList Shuffle

Description

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

Method

long seed = System.nanoTime();
Collections.shuffle(l, new Random(seed));
return l;

ArrayList shuffle(ArrayList population, int sample)
shuffle

ArrayList<T> newList = new ArrayList<T>();
ArrayList<T> ret = new ArrayList<T>();
newList.addAll(population);
Collections.shuffle(newList);
ret.addAll(newList);
for (int i = sample; i < ret.size(); i++) {
 ret.remove(i);
 i--;
...