Java tutorial
//package com.java2s; import java.util.Random; public class Main { public static void random(int[] input) { for (int i = 0; i < input.length - 1; i++) { int randomIndex = new Random().nextInt(input.length - 1); int temp = input[randomIndex]; // swap numbers input[randomIndex] = input[input.length - 1 - i]; input[input.length - 1 - i] = temp; } } }