I want to add an ImageIcon to the Panel, but I got this Exception ( java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "locat
Suppose you have MethodHandle and some arguments have been specified, how to change those arguments after being set? import static java.lang.invoke.MethodType.
I am receiving a null pointer exception when trying to launch an instance of excel to export data to. I have tried adding the newest version of COM4J.jar to my
Situation : I've created an app which needs to draw simple rectangles (1x1 - 3x3 size) depends on some variables stored in array of corresponding size (900x900
I'd like to have one BlockingMap data structure which is very similar to BlockingQueue. The take method of BlockingQueue will wait there until element is availa
I'm using Influx Db java wrapper and adding data in influx db for every 5 seconds with a retention policy of 30 days. When I'm trying to query the data by send
This is the same question I am to new to comment on it to see if he found a answer Cordova is generating a new settings.gradle file when you run "cordova build
I gotta a MIDI Keyboard. All I want is an example of how I can setup the default software synthesizer to play sounds as I play the Keyboard. package cleffsgam
I am getting IWAB0399E Error in generating Java from WSDL: java.io.IOException: Type {http://www.w3.org/2001/XMLSchema}array is referenced but not defined' whi
I am new to using Sling rewriter however I would like to replace all instances of one string with another string (this is a simplified version of my use case bu
My server uses a AsynchronousServerSocketChannel that listens for client connections using a CompletionHandler. When a client connection is accepted, the Async
I am new to Helidon SE and would like to know if there is a way to implement q params in REST service created via Helidon SE. Any help in this regard is truly a
I have been using the easywsdl Android Studio plugin to autogenerate ksoap2 code based on a wsdl. Each time I generate the code, easywsdl prepends 3 random upp
I am trying to generate Prometheus metrics with using Micrometer.io with Spring Boot 2.0.0.RELEASE. When I am trying to expose the size of a List as Gauge, it
I am fairly new to Java, eclipse, Cucumber and Selenium. I am just beginning to learn these. Overall, I am fairly new to StackoverFlow. I got problem that I am
How to make the gradle build/compile a project using generated source by annotationProcessor? I have a project with 2 modules app-annotation -> is a module t
I use Java 8 and I use the default JavaScript Engine (Nashorn). I would like to see how it compares with the 'highly hyped' GRAAL JS. See: https://github.com
We are using multiple source sets for tests in our project which defined in gradle like this: sourceSets { test { java { srcDir file('sr
I spent a lot of time to find a solution about Pageable in Webflux, unfortunately, at the time of writing this, Webflux does not support Pageable so I came up w
I know this question is asked a lot of times but please hear me out. Previously I have tried following methods to convert hex string to byte array. say my key