Java tutorial
//package com.java2s; import java.util.Arrays; import java.util.Comparator; import java.util.Random; public class Main { public static String[] randomizeArray(String[] array) { Arrays.sort(array, new Comparator<String>() { private final Random generator = new Random(); @Override public int compare(String lhs, String rhs) { // returns a random int between 1 and -1 return (generator.nextInt(1) * 2) - 1; } }); return array; } }