JAVA - Страница 2865

I am running an embedded instance of ActiveMQ Artemis and have been running into some trouble getting the web console to behave correctly.

In order to get the console to run I followed these instructions.

This successfully starts the console and...

I was trying Codeforces problem 1921-C. Problem is when I put a single test case it works fine but with if I put all the test cases together the result changes.

For the test case

12 621526648 2585904 3566299 51789 61859 71998 73401 247675 298086...

Say you have a repeated field.

message Foo { optional int32 val = 1; } message Bar { repeated Foo foo = 1; } This will generate the method

List getFooList() Is there any circumstance where getFooList will return null? Or will it always return a...

I have a task that will eventually be implemented in Java and need to come up with an algorithm of how to solve this. Unfortunately this is not my strong suit so I am looking for some advice on what I came up with.

The task is as follows: There is...

I am using the liquibase plugin with spring boot to generate the changeSets. Using mvn liquibase:diff I generate the changeSets with the differences between my entities and the database schema. Everything works correctly but when I modify the...

I'm struggling with this error that occurs when to execute jar file. When I run my app with IntelliJ, It works perfectly fine. But when I build the project with Gradle and run java -jar my-app.jar, this error Exception in thread main...

We recently migrated our app to java 11 and we are experiencing issues when using jmx to access mbeans. We used JDK Mission Control and also jmx term ( it is based on jconsole) to access. MBeans are exposed via Spring (5.2.5.RELEASE).

The same...

I am calling a web API with POST data from volley that returns a 400 code if there's a problem with the data, else a 200. In both cases, the response body is null. However, volley is treating the 200 case as an error. I don't see any response...

I'm a beginner and a high school student in programming an application in android studio. The project I'm doing is a student attendance scanner. Currently I created a QR code generator and scanner, my only problem is I don't know how to connect my...

I am trying to unmarshal an XML into a Java object using the jakarta.xml.bind.Unmarshaller but my XML does not contain some of the default namespaces as they are part of the XSD already. How to either explicitly mention to Unmarshaller to ignore...

The code listens to a POST request continuously, and sends a response after fully reading the socket input data.

But it turns out that Java runtime automatically closes the readers and writers connected to the socket and to the standard input...

I'm not asking you to fix the code for me, I'm asking if I can use my code below at the same time (which writes numbers to the console and then erases them with \b) that I will read data from the console using Scanner (.nextLine)?:

int...

I'm a beginner and a high school student in programming an application in android studio. The project I'm doing is a student attendance scanner. Currently I created a QR code generator and scanner, my only problem is I don't know how to connect my...

I was trying Codeforces problem 1921-C. Problem is when I put a single test case it works fine but with if I put all the test cases together the result changes.

For the test case

12 621526648 2585904 3566299 51789 61859 71998 73401 247675 298086...

The code listens to a POST request continuously, and sends a response after fully reading the socket input data.

But it turns out that Java runtime automatically closes the readers and writers connected to the socket and to the standard input...

I'm struggling with this error that occurs when to execute jar file. When I run my app with IntelliJ, It works perfectly fine. But when I build the project with Gradle and run java -jar my-app.jar, this error Exception in thread main...

I learn about decorators, and I wrote the following java classes, used to manipulate matrix (Switching rows, columns, and value multiply):

interface MatrixOperation() { int[][] apply(int[][] matrix); } class SwitchRows implements MatrixOperation {...

I'm just learning React Native. I have a JAR extension file written in Java. I want to integrate this file into iOS within React Native. Can I do this? Or in which language should I develop the JAR package to do this?

I'm waiting for your help....

I have **Batch ** schema which contains List of other schemas . Those schemas are declared in other schema files so when I publish Batch to Kafka Schema registry registering only Batch schema ingoring all implicit one's.

Is there any way to force...

I'm working on a chess project in Java using Java Swing for the graphical interface. I have a Board class that extends JPanel, where I draw the chessboard and the pieces, and I've implemented mouse interaction to be able to move the pieces on the...

We have a scenario where we need to update userPriceGroup using an admin account. One product in our site can have multiple prices depending on user tier. The problem happens when we call this endpoint of ProductsController,...

I'm trying to use elasticsearch low level client in my kotlin project. For document upsert, I run the following function.

elasticClient.update({ u->u.index( myindex ).id( currentid ).upsert(searchEntry) },searchEntry::class.java) But when i write...

Variable 'installStateUpdatedListener' might not have been initialized

How to solve this problem

image

.InstallStateUpdatedListener not working `

InstallStateUpdatedListener installStateUpdatedListener; InstallStateUpdatedListener...

In my application I retrieve from the database some metadata and from it I build an instance of MyJob class implementing Runnable interface and then submit it to ThreadPoolTaskScheduler. Here is the code that does it.

@Scheduled(fixedRateString =...

I am using iText

BaseColor sectionFontColor = WebColors.getRGBColor( #ffffff ); but I have this message:
'com.itextpdf.text.html.WebColors' is deprecated

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