3월6일 수업(별찍기01)

package day0306;
import java.util.Scanner;
public class StarP01 {

    public static void main(String[] args) {
     
        Scanner scanner = new Scanner(System.in);
        
        System.out.println("출력할 줄 수를 입력해주세요");
        int userNum = scanner.nextInt();
        
        for (int i = 0; i < userNum; i++) {
            String stars = new String();
            for(int j = 0; j <=i; j++) {
                stars +="*";
                
            }
            System.out.println(stars);
        }
        
        scanner.close();
        
    }

}