how to add 2 or more constructors ?? i know the use of data class in kotlin, but i am not getting what exactly this keyword is in kotlin and why we have to put
I'm an absolute beginner. I learnt a bit of Java in my highschool and we were using BlueJ back then. I wanted to brush up so I started with the simplest code: p
Here i am trying to save my logs generated during execution in logs file i have used lo4j2.properties with Testng listener to save my logs , my log4j2.propertie
So I upgraded Spring from 2.1.15 to 2.2.8 I have @SpringBootTests where I make a rest template and make requests to localhost. Full error is org.springframework
I'm trying to use OpenCV in an mobile app written with React Native. For now i only focus on the Android part. I use the official OpenCV for Android release. I
How to select User certificates from edge browser using Playwright with Java. We have different certificate added in browser for each role and we need to select
I have implemented Docusign Remote Signing Process and added phone authentication by setting identity verification for signer signer.setIdentityVerification(rec
I am trying to make my javafx project to create an Excel file. One of the first steps for it would be XSSFWorkbook workbook = new XSSFWorkbook(); for which to w
ERROR 4904 --- [nio-8080-exec-1] org.thymeleaf.TemplateEngine : [THYMELEAF][http-nio-8080-exec-1] Exception processing template "index": An error happene
no matter what I use indexof() or contains or .equals() changing everything to uppercase or to lowercase It always return false and not found can someone please
Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. Tue Apr 26 16:10:15 IRDT 2022 There was an unex
I used the ElementCollection annotation on a List object， @ElementCollection(fetch = FetchType.EAGER) @CollectionTable( name = "a", joinC
I recently updated my MacOs from Catalina 10.15.4 to 10.15.5 (19F101). I use Android Studio as IDE to develop Android apps using Java programming language. So I
I'm following the google developers guide on adding Light to a Node in SceneView: https://developers.google.com/sceneform/develop/build-scene Light spotLightYel
The java.time framework built into Java 8 and later includes the Clock class. This class provides several variations useful for testing our date-time handling c
Being a novice to Project Reactor I'm trying to wrap my head around the documentation. However I still can't figure out if there any practical difference betwee
Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.spire.doc.packages.sprDGC at com.spire.doc.formatting.CharacterFormat.spr (Un
I'm using Intellij Community edition I don't have the luxurary of using the Ultimate edition; Hence, I can't install the weblogic plugin. When I make edits to a
I want my main thread to wait until the background thread completes. But, this makes my UI freeze. I want to achieve this without freezing my UI. Please help me
I have given a byte array [97, 98, 0, 99, 100] which is GSM 7-Bit encoded. This should be converted into ab@cd. When I tried to append this given array into a