I have an Android app with 9 buttons. This app runs on 2.36 and is the only app on the device (or at least the only app we let the user use - we ship the device with our code preinstalled as part o...

I have been looking and searching a lot for this question. I'm really stupid when it comes to using the JAVA Calendar class. Could anybody please help me to show a simple way of how to get the cur...

In some system I have to operate on dates which may have limited precission (like month and year only or year only), e.g. "2001" or "January 2011". I need to know not only date, but the presission ...

String temp_date="07/28/2011 11:06:37 AM"; Date date = new Date(temp_date); //Depricated SimpleDateFormat sdf = new SimpleDateFormat("MMM-dd-yyyy hh:mm:ss"); String comp_date= sdf.format(date); ...

I have a docker image called myImageName:latest, which I use in my application. I want to write an integration test for my application, therefore I want to use the TestContainer package. When I run...

In order to work with Jaxb, I need to have a normal java.io.File Object. As I do not want to have legacy code in a quite new project, I want to use java.nio.file.Path objects. As gradle resolves d...

I downloaded android studio latest version Hedgehog, and I found it strange that there is no longer an option to select JAVA languages on the new project screen. Is this a bug? did I do something w...

I'd love to use this: @Getter @ToString @RequiredArgsConstructor(onConstructor_ = {@JsonCreator(mode = JsonCreator.Mode.PROPERTIES)}) private static class RestErrorObject { private final Stri...

Let's say I have stored a bunch of holidays in my database. What I need to do is find out which is next work day excluding Saturdays and the public holidays defined in the database. eg. Let's sa...

I have a rabbit queue with messages for consuming. I also have a listener that can fail. The queue is configured with a dead letter exchange (along with a dead letter queue). What I want is to see ...

As title, How to Calculate Fingerprint From SSH RSA Public Key in Java? I got an rsaPublicKey object from sample.pub and I calculated the fingerprint by using library Apache Commons Codec DigestUt...

I am new to Java Projects in Visual Studio Code. This is mainly for my school project. I was setting up Gradle for Java according to YouTube videos and follows the step. I just simply installed the...

I made a new Java file in Gedit. When I open it in Eclipse (CTRL + SHIFT + F), it does not format the code. (CTRL + SHIFT + F) still formats other Java files (which I also did not create in Ecl...

I wanted to move my project into Android Studio and when I was running the simulator, the project was running fine. Since I updated Android Studio, the simulator has the error that the Gradle versi...

I’m looking for a way to find the HTTP version of incoming request in spring webflux netty server I cannot find any method in ServerWebExchange to get this information. Spring servlet has some impl...

After upgrading my code from Java 17 and Spring-boot 3.1.3 to Java 21 and String-boot 3.2.0, I've started to see errors like the ones below, when calling the REST APIs: UPDATE: After running some m...

When I change a setting in a window like in the screenshot below, where are those settings actually stored? Bonus: Is there any way, using Java, Eclipse RCP etc, to access the settings programmati...

I have 2 activities with a separate NavHostFragment which hosts 3 fragments, these 3 fragments are then displayed in my activity's layout ContainerView. Note: My 2 activities have the same name and...

I have an EJB timer schedule in a singleton EJB running inside a Wildfly 10.10: @Singleton @Startup @ConcurrencyManagement(ConcurrencyManagementType.BEAN) public class MySingletonBean { public m...

I'm trying to add the --platform=linux/amd64 flag to my dockerfile's FROM statement. I need to do this because I'm working on an m1 laptop and the default architecture (linux/arm64/v8) is not compa...

Currently using Spring Boot 3.1 with the reactive WebClient configured like this: @Configuration public class MyConfig { @Bean WebClient webClient() { ExchangeStrategies strategies = ExchangeSt...

I have a SearchView within a Toolbar, that sits up above a RecyclerView list of CardViews. The SearchView works correctly to filter the list based on text inputs. However, the code in the ListAdapt...

I have been trying to get the integrated Gradle buildship to work with Eclipse, but there is always something screwy causing errors that only an expert could figure out, so here I am. My code is im...

I'm having issues generating the random number each time I run through the do-while loop in main. When I remove the do - while statement the if statement works fine and seems to generate a random r...

The following code gives same output with or without the close() call on the Scanner. import java.util.Scanner; class CheckPassFail { // Write a program called CheckPassFail which prints "P...