별찍기 3, 자바

/*

         *

   ***

  *****

 *******

*********

*/

package 반복문관련;

import java.util.Scanner;

public class star_2 {

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner input = new Scanner(System.in);

int height = 0;

height = input.nextInt();

int i, j, k; // index

for (i = 0; i < height; i++) { // height {1, 2, 3, 4, 5}

for (k = i; k <height-1; k++) { // 

System.out.printf("%c", ' ');

}

for (j = 1; j <=i*2+1; j++) {

System.out.printf("%c", '*');

}

System.out.println();

}

}

}