随机整数数组

/* from 
N o w J a v a . c o m - 时  代  Java*/


//package com.nowjava;


import java.util.HashSet;


import java.util.Random;


public class Main {

    public static void main(String[] argv) {

        int size = 42;

        System.out.println(java.util.Arrays.toString(randomIntArray(size)));

    }


    public static Integer[] randomIntArray(int size) {


        Integer a[] = new Integer[size];

        HashSet<Integer> set = new HashSet<>();

        for (int x = 0; x < a.length; x++) {


            Random r = new Random();

            Integer i = r.nextInt(size * 10);/**from 时代Java - N o w  J a v a . c o m**/