• + 2 comments

    A small change in your code to make it more simple

    public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        String str="#";
        for (int i=0;i<n;i++)
            { 
            System.out.printf("%"+n+"s%n",str);
            str=str+"#";
        }
    }
    

    }