I have an ArrayList that contains a list of JSONpaths in String format, similar to something like the following: "$['book'][0]['title']" "$['book'][1]['title']"
I know this is caused by a null value, however I'm fairly new to java and not sure why it's null. Have I not instantiated ETClient correctly? Or overlooked some
I have problem with sorting. Repository method: @Query(nativeQuery = true, value = "SELECT D.ID as dealerId , D.NAME as dealerName, K.ID as kpiId, " + "
I have this enum: public enum Days implements Serializable { MONDAY, TUESDAY, WEDNESDAY, ... } I want to use it in a Store class: public cl
From a Java application I want to run another Java application on the same Java installation but in a separate process. AFAIK for a new process I would use Proc
I got a problem related to Firebase and Java EE. I'm currently writing some Java servlets for my project and I'm using Firebase the first time because I wanted
When I try and run a class I run into the following error: Error occurred during initialization of boot layer java.lang.module.FindException: Module AbaloneGam
I want to append 4 bytes long header to a file .So that whenever I write the nextbytes after reopening the file .I can use this 4 bytes header to identify where
Use Case : Map the input stream of sometype to another type and sink. Also apply the aggragator on the mapped stream to count the number of events of each event
I am new to retrofit 2 library.I read several articles to get started as a beginner and I managed to fetch XML data from my RESTful API without specifying param
I am getting 500k records per request from the Database then mapping the data to a list of POJO classes then writing the records to an excel sheet (I have the r
https://www.eclipse.org/collections/ seems to be getting popular now a days. Just wonder, if anybody has used this library in their production code and how is t
I'm learning about Queue Collection and I don't understand why do I need to implement Comparable interface if I use PriorityQueue? I have used Comparable and Co
I want to parse a String which has UUID in the below format "<urn:uuid:4324e9d5-8d1f-442c-96a4-6146640da7ce>" I have tried it parsing in below
I'am tying to export a pdf file from html using fly-saucer, but the file is always empty and therefore can not be opened. Can anyone tell me what i am doing wro
I have created one service and broadcast receiver to get telephony state. Below is my code : @Override public int onStartCommand(Intent intent, int fla
I try to run this query using Spring JDBC Template public static String FIND_CNC_OPE_GRAPPE_BY_FCT_ID = "SELECT " +"EXPO.COD_NA
I have test: @Test public void sixTest() { FlowerList flowerList = new FlowerList(); Specification.installSpec(Specification.requestSpec(),
My objective is removing the orange bar thar has the label "App name". Currently I have a top_app_bar and bottom_nav_bar. As far as I know the orange bar is gen
I'm working on an online tutorial, and in the step where I need to work with databases and add jpa, I cannot access it in my project. I have successfully put t