Random Numbers in Given Range

/* Write a program that enters 3 integers n, min and max (min ≤ max)
 * and prints n random numbers in the range [min...max]. */

import java.util.Random;
import java.util.Scanner;

public class _11_RandomNumbersInGivenRange {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter a whole positive number for count of random numbers N: ");
        int countN = scan.nextInt();
        System.out.print("Enter a 2 Integer numbers, the second number must been non-smaller than first: ");
        int minNum = scan.nextInt();
        int maxNum = scan.nextInt();
        scan.close();

        if (countN > 0 && maxNum >= minNum) {
            System.out.printf("The Random numbers in the range [%d .. %d] are:\n",
                    minNum, maxNum);
            Random randomGen = new Random();
            for (int i = 0; i < countN; i++) {
                int randomNumber = minNum + randomGen.nextInt((maxNum - minNum) + 1);
                System.out.print(randomNumber);
                if (i < countN - 1) {
                    System.out.print(" ");
                }
            }
        } else {
            System.out.println("Error! - Invalid Input!!!");
        }
    }

}