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