摘要: package structure;public class ForDemo04 { public static void main(String[] args) { for (int i = 1; i < 10; i++) { for (int j = 1; j <= i; j++) { Syst 阅读全文
posted @ 2022-11-03 15:03 Rui2022 阅读(16) 评论(0) 推荐(0) 编辑