package cn.bdqn;

public class Hourglass {

    public static void main(String[] args) {

        for (int i = 2; i >=-2; i--) {//打印行数

        for (int j = 0; j <= 2-Math.abs(i); j++) {//打印行的前边  用绝对值

        System.out.print(" ");//输出空格

        }

        for (int j = 0; j < Math.abs(i)*2+1; j++) {//打印行的后边

        System.out.print("*");//输出*

        }

        System.out.println();//输出打印后的结果

        }

        }

}