Java

i have a small doubt i developed a rest API in put mapping (we use if more than one filed needs to be updated by user ) but concern is i am using dto class in that i am u...

Hi @all Anyone who can support on big data? knowledge on pyspark, python and SQL ......and snowflake required Please DM

Does anyone have a favourite resource to learn Java as someone that already is a Software developer?

Can I execute qarkus REST and gRPC in the same project??

Hi everyone why java add default method in interface and private method and now property ? Backward Compatibility and ... please help me to understand it

Hi guys! I want to advance from a mid-level to a senior Java SE developer. I'm looking for a list of materials to reinforce my current knowledge and learn additional topics t...

Hello guys, I'm creating a telegram bot that asks for information from the user in a conversational style/flow. It then performs operations based on these information. Hav...

Hey, i am a JavaScript fullstack dev with 2 yer exp. Does transition to java is hard?

I am a Typescript and Python dev. I am now getting into Spring Boot for a couple of projects. Which ORM do you guys recommend?

I'm working on the famous tree of space problem, where we have an m-ary tree and can lock any node if none of its ancestors or descendants are already locked. I need to make t...

I understand that. I'm more interested in successful cases of transitioning to a senior level. If there are any, I would like to hear about your preparation path. Do you have...

public class Main { public static int value = 0; public static void main(String [] args){                       Thread addOne = new AddOneThread();                       Thr...

Hello, I have problems with gradle, maybe because I dont understand the dependsOn and the tasks. This is my build.gradle.kts code: tasks.register<Copy>("extractJar") { de...

Good afternoon, colleagues🖐 I have the following question. I'm debugging my own project. I have two separated classes, which use two separated threads in Main class. While g...

Hi, I want to start coding Java again and to get a nice project I'd like to get certified (again). Some years ago I got my OCA certification for Java 8 and now I might want to...

Hi, I want to build a simple clinic management system, using java, this system uses a Gui for interaction, a Database to save data, and a logic that goes in between. The for ...

I'm tryin to write an app by which phones can share files with eachother via hotspot/wifi connection. There are lots of file sharing apps using this approach, for example SHAR...

Hey, I'm trying to connect to a MongoDB server with Spring Boot. I need to execute two commands, saveAll and findById, but only for one collection. I want it to be as fast as ...

And any good tutorial for JDBC connect with MySQL or postgresql?