Day4-8 打印三角形

打印三角形及Debug

 package com.kuang.struct;
 ​
 public class TestDemo01 {
     public static void main(String[] args) {
         //打印三角形 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();
         }
 ​
     }
 }