PavloSheichenko

import java.util.Arrays;
import java.util.Random;

public class Study {
    public static int[] fillIntArray(int[] numbers) {
        Random rand = new Random();
        int n = numbers.length;


        for (int i = 0; i < n; i++) {
            numbers[i] = rand.nextInt(n);
        }


        Arrays.sort(numbers);

        return numbers;
    }
    public static void main (String args[]){
        int[] numbers = { 5, 2, 3, 1, 4};
        int[] randomArr = fillIntArray(numbers);
        System.out.println(Arrays.toString(randomArr));
    }
}