[백준] 2438번 : 별 찍기1 - java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int line = sc.nextInt();
 
        for (int i=0; i<line; i++){
            for (int j=0; j<=i; j++)
                System.out.print("*");
            System.out.print("\n");
        }
    }
}