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java-help

❓︱qotw-answers

ian

2/28/2025

help for javascript (code.hs) beginner

hey! if anyone can explain this to me as I’ve been struggling thank you!

danishpirate

2/27/2025

Rendering too resource-intensive

I am using Swing to render a graph in a window; however rendering is taking too long and is too resource-intensive. What changes can I make to help with performance? Here is the class responsible for rendering my graph: ```java public class GraphPanel extends JPanel { private Graph graph; private PathfindAlgorithm algo;...

Divagar

2/27/2025

Not getting right platform details

I am working to get game presence data via discord but i am not getting right platform details. How to get is any other package or functions or classes in java?

Kale Vivi

2/27/2025

What are some things and language features you use to reduce writing/time spent on boilerplate?

I've been working on a greenfield project lately and noticing how tedious it is to create entities, domain models, request/response objects, dtos, when they're all really just pojos. There are also other things that are redundant/boilerplate like. I'm wondering what new language features, libraries, and other things you add into your coding to reduce time spent on writing boilerplate?...

i hate SQL so much its unreal

2/26/2025

how to use validation in my controller?

hey guys. im looking for advice on this question. right now i have this: ```java @PostMapping(value = "/myendpoint", produces = "application/json") @ResponseStatus(HttpStatus.CREATED) public ResponseEntity<PaymentDTO> createPaymentInformation(@RequestBody @Valid PaymentDTO paymentInformationRequest){...

Waqarrrrrr

2/26/2025

API Gateway is not getting registered on Eureka Server

I made a User-Service and Contact-Service and i have registered them on eureka server and the API of User and Contact Services are running perfectly fine but when i am going to register API Gateway on Eureka Server its not getting registered.

message.txt

529609970

2/25/2025

A FREE Claude 3.5 AI IDE

Does anyone knows about this tool Trae? I think it is such a good tool with free claude-3.5 . I hope he can support 3.7 as soon as possible.I like cool things, let's discuss! here is the link:https://sourl.cn/9NWN5g...

userexit

2/24/2025

Best Practice for storing images spring boot

What is the best practice to store file paths in the database and the files in disk or storage service ?

SidKid

2/24/2025

linked lists vs ArrayList vs Arrays

what is the difference between a doubly LinkedList and an ArrayList. and how does that compare with Arrays (the class from java.util.Arrays)

danbear

2/24/2025

How to have Dynamic Database Switching in Spring Boot While the project is running

Hello this is the git repo of the project : https://github.com/dambear/zynergy-api.git; The main database is declare is in application.properties the other database should be in organization table collumn it will be declared there. ...

Erky

2/23/2025

How to sign executable jar with jsign or similar

So I have a game I want to share with a user who does not have Java. Im using launch4j to convert my .jar to .exe. I want to get rid of the antivirus warning. I found out I can do this by signing the application. I found out about Jsign for this....

stqfxn

2/23/2025

I need help to compile source code of a plugin and make it a functioning .jar

i tried many tutorials with the javac prompt command but i keep failing so imma put the file here and hope someone of you knows how to do this

deposit-plugin.zip

Suika

2/23/2025

Sprign Data JDBC doesnt save my Domain

I have these classes: ```public class KarteikarteSet private UUID fachId; private UUID modulFachId;...

everymen

2/23/2025

How to describe nested struct layout through jdk 22 ffm APIs?

Based on the example like [1]. I am able to access C compatible function. With following code, I am also able to access my custom Rust lib. ``` // JVM side MethodHandle addNumbers = { Linker linker = Linker.nativeLinker();...

TunableYapper

2/22/2025

__filename is not defined (node.js)

So I was searching for JavaScript variable thats return file name and I found __filename. Problem started when I wanted to use it and it returned an error: ```js PS C:\Users\Admin\Programowanie\Discord.js> node FOFMFFJSC.js file:///C:/Users/Admin/Programowanie/Discord.js/FOFMFFJSC.js:7...

Hype_the_Time (PING ON REPLY)

2/22/2025

android intents

I probably tried for over 4 hours by now to get intents working. i tried setting breakpoints at my intents handeling which should recieve all calls buts its just not. The NotificationShowcase.java also has some example notifications i tried to use including a function to make one with a intent like normal. as you can see there i tell it to use MainActivity.class but that class is just not receiveing them for whatever reason and i dont understand why. the full code is available here: https://github.com/HacktheTime/HypeNotify...

AndroidManifest.xml

OMIDD

2/22/2025

The import Interface cannot be resolved

The import Interface cannot be resolved IDier cannot be resolved to a type The method ToonDierGegevens() of type Dier must override or implement a supertype method ___ How can i fix this error?...

2/22/2025

Want to learn

Hi! I'm a beginner and i want to make a my own info website. Can you tell me what programming requires? I hope you can help!

Emile

2/22/2025

Help seting up GitHub on Intellij to start pushing project.

Hello, i can't figure out how to setup github on my intellij to push my project to a repository. Every time i enable VCS with Git, i know i have to fetch first then pull, but when i want to pull, there is no branch to pull from and so i cant push to github.

Konna

2/22/2025

What is wrong with this code?

I need help with my code

Gaming

Programming

Java Community | Help. Code. Learn.

With more than 25,000 members, join one of the biggest and most active Java Communities on Discord! ☕

Java Community | Help. Code. Learn.

With more than 25,000 members, join one of the biggest and most active Java Communities on Discord! ☕