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java-help

❓︱qotw-answers

ponchisao326

10/29/2024

MYSQL Connector Driver Issue

Hi, I'm trying to implement an sql database, but I'm only getting the "No suitable driver found", anyone knows why it could be? implementation group: 'com.mysql', name: 'mysql-connector-j', version: '9.1.0' Caused by: java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/name?user=user&password=password...

DatabaseManager.java

Danix

10/29/2024

Error: Could not find or load main class

i am facing this problem i dont know what to do now ! Can anyone help me upon this ? ```package com.demo.journalApp; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration;...

Faraway

10/29/2024

What is the best way to get better at java?

I'm new to java and i just started learning oop and some data structures. I have an upcoming exam in two weeks about oop and synatx in java and overall things such as encapsulations and anonymous class. what is the best way for me to practice this new knowledge and gain some new knowledge too?...

Abdullah

10/29/2024

problem in creation of extend class

Super Senior Gojo

10/28/2024

I dont know anything about java, why wont this let me install NeoForge?

this is the latest version of java and ive reinstalled it twice and this NeoForge installer and its just giving me this same error

MayorTV

10/28/2024

help with JDK installation

I had jdk 23 and jdk 17 version and i needed jdk 17 version but i couldn't get system to switch to jdk 17 so i just deleted jdk 23 folder. But now when i try java -version ir jus gives me a blank line and i don't know what to do. I tried changing enviorments. I tried restarting and reinstalling. Nothing seemed to work. Maybe you have some suggestions?

userexit

10/28/2024

Enable live reload with Spring Boot devtools

help with the title

userexit

10/28/2024

Need help with this error in vscodium

mochatitan

10/28/2024

issue with maven server, cant find anything on it online

6ydg

10/28/2024

Java constructors

As Ive read constructors are automatically run by java, but so is main () method, so whats their point and why cant I just put all of constructor code in front of main() method?

userexit

10/28/2024

Syntax questions

Id like to know what these syntaxes mean: javadoc -d doc Hello.java jar -cf hello.jar Hello.class java -cp hello.jar Hello...

Altuniver

10/28/2024

Help a newbie

I'm having trouble with setting up my Eclipse and I need to get my assignments done

Haz

10/27/2024

dice

𝓐pothicon

10/27/2024

Figuring out path to resources in built jar

Im currently doing this to read my shader files:

Utils.readFile("src/main/resources/assets/base/shaders/scene.vert")

Utils.readFile("src/main/resources/assets/base/shaders/scene.vert")

and it works when just testing in intellij, but if i build the jar it no longer works as the src/main/resources part of the path doesnt exist. Any solutions?...

Gareth Rader

10/27/2024

How to organize build.gradle files and class structure in gradle project?

I want to make a plugin for teamcity and jenkins, but i'm not sure how I should be structuring my project to best fit that. I've seen examples where there are multiple build.gradle files at various levels of the project, but some plugin/dependency definitions seem redundant between them as opposed to being in a more top-level build.gradle (if that makes sense). I'm not familiar with gradle or java at all. Any pointers would be incredibly helpful! I also don't know how classes should be structured in a gradle project. I know there may be differing methodologies here, but I'm thinking the project structure might look like this:...

LeoMisfit

10/27/2024

Need help converting Java file to Class.

Im not a code wizard or anything but i like to dive into minecraft mod packs are change values for better gamplay. I was trying to edit this mod and noticed that the file i was tring to edit was a CLASS file and not a Java one, so i used an online converter to change the Class into a java but now im wondering how to make the Java into the Class again. PLEASE, I NEED HELP!!!

AdelinV2

10/27/2024

Need help with GUI (swing)

This is my first project where I use swing and I need help making the textArea in bankStatementInterface larger in y axis. I've attached images with relevant code and with the interface.

theash2473

10/27/2024

I am getting TLE in Leetcode on question 29. Please help me optimize.

I am using the most efficient code that I could understand. Please suggest how to optimize it for the test case where the dividend is int_max and divisor is -1. ```java public int divide(int dividend, int divisor) { // if(di(1<<31))...

circle

10/27/2024

MapStruct updater not compiling properly

I'm creating a REST API that handles product management. I currently have 3 Mapper (from MapStruct) for classes: Account, Product, and Variant. The branch I'm working on if you need to understand the structure: https://github.com/vianneynara/kuenyawz-api/tree/feature/21-initialize-product-variant-image ...

conman

10/27/2024

Hi, I am having trouble in java with a project. Need help.

My code is only outputting one line. need help....

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Java Community | Help. Code. Learn.

We are a Community full of Java developers. Connect with other devs, get help, help others and do much more!

Java Community | Help. Code. Learn.

We are a Community full of Java developers. Connect with other devs, get help, help others and do much more!