打印三角形流程控制练习

打印三角形

package com.boss.struct;

public class TestDemo {
    public static void main(String[] args) {
        //打印三角形 5行

        for (int i = 0; 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