백준 JAVA 2442 별 찍기-5

 

package BAEKJOON;

import java.util.Scanner;

public class NO2442 {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();

        for (int i = 1; i <= num; i++) {
            for (int j = 0; j < num - i ; j++) {
                System.out.print(" ");
            }
            for (int j = 0; j < i * 2 - 1; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}