반복문 while로 수세기

package parctice;

import java.util.Scanner;

public class Line {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		System.out.println("정수를 입력하시오.: ");

		int num1 = sc.nextInt();

		int i = 1;

		while (i <= num1) {

			System.out.println(i + " ");

			i++;

		}

	}

}