Random values from array

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• Non-repeating numbers - Processing 2.x and 3.x Forum

Repeating and randomizing string arrays

The shuffle() function from the 1st link I’ve posted is for arrays of datatype int only: @SafeVarargs final int[] shuffle(final int... arr) { if (arr == null) return null; int idx = arr.length; while (idx > 1) { final int rnd = (int) random(idx--), tmp = arr[idx]; arr[idx] = arr[rnd]; arr[rnd] = tmp; } return arr; } For object-typed arrays, we need to convert it, like this: @SafeVarargs final <T> T[] shuffle(final T... arr) { if (arr == null) return null; …