10 2020 档案

摘要:package test; import java.io.*; public class A { public static int[] a=new int[52]; public static void main(String[] args) { try(BufferedReader br=new 阅读全文
posted @ 2020-10-28 00:01 Ds-451 阅读(40) 评论(0) 推荐(0)
摘要:main.jsp: <%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>登录系统</tit 阅读全文
posted @ 2020-10-24 23:55 Ds-451 阅读(100) 评论(0) 推荐(0)
摘要:运行结果 原因是+号两边有字符串时,将X+Y判定为字符串,如果改成(X+Y),就会显示结果为: X+Y=300; 阅读全文
posted @ 2020-10-18 23:37 Ds-451 阅读(89) 评论(0) 推荐(0)
摘要:<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>登录< 阅读全文
posted @ 2020-10-14 23:35 Ds-451 阅读(50) 评论(0) 推荐(0)
摘要:package task; import java.util.Random; import java.util.Scanner; import java.util.Stack; import java.util.regex.Matcher; import java.util.regex.Patter 阅读全文
posted @ 2020-10-06 12:32 Ds-451 阅读(72) 评论(0) 推荐(0)