Java score management system?

The course assignment requires the development of a Java score management system with the functions of query, modification, sorting, maximum value, and minimum value. To display in a form, the grade data is imported using an imported txt. Looking for general directions, do I need to use a database?

ringa_lee 2017-06-12 09:22:53 0  4  1110

To find the student number of the student with the highest average score, how to write a SQL query to associate the grades with the student table?

This is my student table stud table rollnoname1A2B3C4B5D6C This is my grades table marks table rollnomarengmathsphychem1404538505022850454138341424344454454443424153332421541 For the following query: selectrollno,(mar+eng+maths+phy+chem)/5asaveragefrommark s; the result I get is: o

P粉786432579 2023-08-15 15:11:01 0  1  575

$value -> grade = $value -> grade -> name;

$value -> grade = $value -> grade -> name; Teacher, how is this achieved?

带砖侍卫 2018-01-21 17:25:56 0  2  1547

javascript - How to convert the query result array into the format you want in php, and use js to output it to html in the foreground

The exam type table jx_exam_type can add content in the background. The exam score table jx_result can add content in the background. The exam_id in the midterm exam score table corresponds to the id in the exam type table, that is, whether the added score belongs to midterm or final and then use ph...

某草草 2017-06-07 09:23:20 0  3  765

Use a SQL query to retrieve the unique identifier for a specific subject and a specified score.

You need to write a SQL query to obtain the unique ID of a student whose math score is 80 points, English score is 70 points, and whose total score is greater than or equal to 400 points. The answer will be ID-1 and 2.

P粉779565855 2023-08-02 12:03:01 0  1  544

I would like to ask, where is the error in my php code? ? ?

<?php$score=rand(0,100);if($score>90){ echo"Congratulations! Your score is excellent";}else if($score>=60);{ echo"Not bad, your score is excellent" for good";}else{ echo "Sorry! You failed";}?

ZXT 2021-01-27 20:57:49 1  4  1014

The data was successfully stored in server.py, but a 404 not found error occurred when trying to retrieve it.

I wrote a server.py file that saves students' names, index numbers, and grade point averages. When I run the client.html file and enter the data and click add student, it says the student was added successfully, but when I enter his index to use the get students function, it says 404 Student Not Fou...

P粉668019339 2024-02-21 21:57:03 0  1  435

Why does my switch automatically output the first case?

<form action="" method="get"> <label for="score">Please enter your score:</label><input type="number" id=&qu

MArtian 2019-11-16 16:13:12 0  2  1234

Why do I get errors when entering my username and password according to what the teacher wrote?

I wrote the student score g management system according to the teacher's code. When I entered the user name and password, an error occurred. What's going on?

吥离吥弃 2018-02-19 09:35:49 0  2  1360

Algorithm - How to implement score ranking using PHP, any good ideas?

Make a ranking of students' scores. The scores are an array. After ranking, the ranking results are output: for example $scores = array(90,100,100); Custom function implementation returns array $rank(3,1,1);

世界只因有你 2017-05-16 13:16:24 0  5  1175

webstormcreated

My webstorm-created node project did not automatically generate related files, only a package was generated.

康 2022-12-15 10:04:28 0  0  810

Configuration database

There is nothing to create a new database configuration file.

闫宇川。 2019-05-23 22:27:14 0  1  1452

When will the integrated environment integrate redis and memcached?

When will the integrated environment integrate redis and memcached?

无脚鸟 2018-08-06 18:31:43 0  1  1174

You can see somewhere in the source code that the loading sequence is conventional configuration -> application configuration -> module configuration -> dynamic configuration.

You can see somewhere in the source code that the loading sequence is conventional configuration -> application configuration -> module configuration -> dynamic configuration.

勇哥 2018-09-19 18:19:01 0  0  1146

upupw website creation process

Upupw website creation process, where can I see other processes of creating a website? Why is there an integrated installation package in the chapter course?

董晓端（duan） 2019-03-25 19:10:19 0  5  1594

phpstudy8.1 does not integrate mysql-front

phpstudy8.1 does not integrate mysql-front. After downloading mysql-front, put it in that directory and click Install on the panel. Will the installation be successful?

君子兰 2021-04-07 20:51:12 0  1  1421

git push不成功

{代码...} Counting objects: 317, done. Delta compression using up to 4 threads. Compressing objects: 100% (304/304), done. error: RPC failed; result=22, HTTP code = 411 fatal: The remote end hung u...

PHPz 2017-05-02 09:21:32 0  1  712

How the settings.json file is generated

Hello teacher, how are the configuration files in the PHP operating principle and development environment generated? How are the settings.json files in the settings in VScode generated? Thanks

P粉751989631 2022-11-25 14:33:23 0  0  698

webpack-dev-server remote server configuration - Stack Overflow

Scenario before configuration: {code...} After configuration, hope: still open the website by accessing test.com, and the webpack.config.js configuration can be automatically refreshed after modifying the js file: {code...} in package.json The only configuration is "start": "webpack-d...

我想大声告诉你 2017-05-19 10:32:15 0  2  501

Modify to save()

What is the reason for failure to modify the article when the modification is changed to save()?

默☆默 2019-09-11 17:56:51 0  0  1252