package com.tu.struct;
//整個程式打印出
/*
                          *
                         ***
                        *****
                       *******
                      *********
                       *******
                        *****
                         ***
                          *

 */
public class TestDemo {
    public static void main(String[] args) {
        //列印三角形  5行
        /*
                 *
                ***
               *****
              *******
             *********
         */
       for (int i = 1; i <= 5; i++) {
            for (int j = 5; j >i; j--) {
                System.out.print(" ");
            }

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


         //下面的語句打印出
        /*
              *******
               *****
                ***
                 *
         */
        for (int m = 1; m <= 5; m++) {
            for (int n = 1; n<=m; n++) {
                System.out.print(" ");
            }

            for (int n = 4; n >= m; n--) {
                System.out.print("*");
            }
            for (int n = 4; n > m; n--) {
                System.out.print("*");
            }
           
            System.out.println();
        }
    }
}