Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.HashSet;

import java.util.Random;

public class Main {
    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);

            while (set.contains(i)) {
                i = r.nextInt(size);
            }
            set.add(i);
            a[x] = i;
        }
        return a;
    }
}