[백준] 2446번 : 별 찍기-9 - Java(자바)

https://www.acmicpc.net/problem/2446

import java.util.*;
public class Main {
    public static void main(String args[]) {
        Scanner s=new Scanner(System.in);
        int n=s.nextInt();
        for(int i=n;i>=1;i--){
            for(int j=0;j<n-i;j++) System.out.print(" ");
            for(int j=0;j<(i-1)*2+1;j++) System.out.print("*");
            System.out.println();
        }
        for(int i=2;i<=n;i++){
            for(int j=0;j<n-i;j++) System.out.print(" ");
            for(int j=0;j<(i-1)*2+1;j++) System.out.print("*");
            System.out.println();
        }
    }
}