I have a class that for which each instance has a unique Id, a name and update date. ID NAME UPDATE DATE 1200 ANNA* 2022-03-01 1300 JONH* 2022-04-01 1200 ANNA*
Hi I am trying to implement integration test using JUNIT 5 as a framework and we just want to start all the process once before all the test are executed and st
Reading a classpath resource as, try { final ClassPathResource classPathResource = new ClassPathResource(format("location%sGeoLite2-City.mmdb", Fil
I have recently migrated some scheduled jobs from a Windows Server 2012 virtual server to a new Windows Server 2019 virtual server, and have noticed some notabl
I have a web service built around Spark that, based on a JSON request, builds a series of dataframe/dataset operations. These operations involve multiple joins,
Experimenting with streams I ran into the following behavior which I don't quite understand. I created a parallel stream from an iterator and I noticed that it
I want to get the extension from a MimeType. For example: video/mp4 ----> mp4 application/x-rar-compressed ----> rar text/plain
Just need to get some numeric equivalent, which will show how much the wheel is scrolled. I managed to find an example only using awt/swing: Java Docs P.S. So
i have nested loop to loop and change the first list based on condition below. this works fine. its like if cardNumber in firstList same or found in secondList,
i have nested loop to loop and change the first list based on condition below. this works fine. its like if cardNumber in firstList same or found in secondList,
Given the following Java 8 Stream: scheduleService.list().stream() .filter(Schedule::getEnabled) .filter(this::runn
When I make a get request to an API, over and over again I see that every request the memory goes up and up until 1gb of ram usage. closing the response and au
I have a spring boot project running on java8 after I installed mysql8 server and tried to connect I am getting the error com.mysql.jdbc.exceptions.jdbc4.MySQ
I have CompletableFuture which can return result or exception. I want to perform run some common code in case of exception and normal result. Similar to try cat
Is there a way to collect both matching and not matching elements of stream in one processing? Take this example: final List<Integer> numbers = Arrays.as
I have a payload like this { "eventId":"ep9_0579af51", "eventTime":"5/11/2022 5:50:58 PM", "eventType":"UpdateTransaction", "meta":{ "us
I'm using the JNA's com.sun.jna.NativeLibrary class in order to load the VLCJ native library. I'm working on an armv8(aarch x64)-based linux device. Below is my
I have a method that accepts a list of object. I want to iterate through that list and check if the list has more than 3 elements. If it does, I want to throw e
Is there a way to tune the DocLint (-Xdoclint) to allow new tags in javadocs? Right now i get errors like: error: unknown tag: checkstyle * @checkstyle Pa
Consider below class hierarchy. class ClassA { private void hello() { System.out.println("Hello from A"); } } interface Myinterface { defa