Java Programming

Is there an official forum for Groovy?

Updated: 2022-12-30 15:11:47

Hi, I've done some web searches, and checked out a few groovy forums. But they all seem either specialized, or there's nearly no activity. On...

[SOLVED] Bug with an ArrayList

Updated: 2022-12-29 14:43:33

Hello, community! I've been working on a small app with a very simple algorithm. Said app must create 50 different objects with randomly generated...

Log4j to Log4j2 migration

Updated: 2022-12-28 21:33:40

I have a custom LogManager that uses org.apache.log4j.Category. Category category = Category.getInstance("abc");...

Problem compiling StringUtils.class

Updated: 2022-12-27 22:59:13

Hi, I have decompile and recompile a jar file to modify the class StringUtils.class. Once I modified it and recompile is giving me problems during...

java.util.NoSuchElementException error

Updated: 2022-12-24 06:05:18

I have this output :

Small help with my code :)

Updated: 2022-12-23 19:26:17

I swear, this code worked for me yesterday. It didn't give me an error or anything, but today as I decided to use it again, it was full of errors....

Problem with UDP client server threads

Updated: 2022-12-23 02:24:13

Hi all I have a UDP server and many UDP clients (for hardware reasons, UDP is the only choice). The UDP server accepts an incoming UDP...

Need an ExecutorService to Run Task in Same Thread

Updated: 2022-12-22 16:11:10

I am writing JUnit test cases for a method which uses executor service. I want to test the flow with the background task getting completed. I can...

String literal and String objects

Updated: 2022-12-21 07:11:01

When will we use String literal and when will we use String objects ? Which is better?

problem verifying the signature using public key

Updated: 2022-12-20 15:41:25

I have a webhook that sends a header, which needs to be verified. Below are some details: **Problem :** The Java method always returns false....

Java & Artifical Intellect

Updated: 2022-12-18 22:21:42

There was some information, best AI results was achieved with Java programming language. Have anyone information about libraries, doc's? Especially...

How to add a display of points accrual to the game window?

Updated: 2022-12-17 09:30:17

Hi! In class okno I wrote: public void someMethod() { //Я не знаю, в каком методе вы производите действия int num = pole.getNum();...

jsplitpane not size properly

Updated: 2022-12-15 07:22:32

Hi all, I am making a simple UI in Netbeans IDE in which I need to split my app into two parts, so i added a jsplitpane to a jframe, but on running...