Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.Arrays;

public class Main {
    public static void orderRandom(int upto, int order[]) {

        Arrays.fill(order, -1);

        for (int i = 0; i < upto;) {
            int val = randomInt(upto);
            if (!intExists(order, val, upto)) {
                order[i] = val;
                i++;
            }
        }

    }

    public static int randomInt(int upto) {

        int number;

        number = (int) Math.floor(Math.random() * upto);

        return number;
    }

    private static boolean intExists(int[] vector, int element, int length) {

        for (int i = 0; i < length; i++) {
            if (vector[i] == element) {
                return true;
            }
        }

        return false;

    }
}