JAVA - Страница 2470

I am using IntelliJ IDEA 2021.2.3 , JDK 17. I have code snippet in Java 17

pom.xm

4.0.0 org.example function_programming17 1.0-SNAPSHOT function_programming17 UTF-8 17 17 junit junit 4.11 test maven-clean-plugin 3.1.0 maven-resources-plugin...

I have brand new MacBook Pro M3 32GB. I'm using Intellij Ultimate (for Apple silicon) and I'm trying different JDKs for both Gradle and Project Setup. From Correto JDK 17 to OpenJDK 21. All of them designed for Apple silicion, so it's aarch64.

I...

String building in Java confounds me. I abhore doing things like:

url += u1= + u1 + ;u2= + u2 + ;u3= + u3 + ;u4= + u4 + ; ; url += x= + u1 + ;y= + u2 + ;z= + u3 + ;da1= + u4 + ; ; url += qty=1;cost= + orderTotal + ;ord= + orderId + ? ; Or, using...

I have an application controlling hardware that has a JDialog displayed when the user wants 'backdoor' access to the hardware. That JDialog is filled with buttons and features and I don't want to increase its size, especially vertically. I do want...

I'm using PDFBox for converting pdf to image. Here I'm facing an issue with font. while converting pdf to image I could see the below warnings in my log

Using fallback font LiberationSans for Helvetica-Bold Using fallback font LiberationSans for...

I am trying to fetch the postid from the Real-Time Database for my Android application. However, I am not able to do so and keep encountering error. inside my isLiked function. The code looks like: `public void onBindViewHolder(@NonNull...

How to disable recently downloaded history popup when we download a file from crome in Java Seleniumenter image description here?

I didnt get any options.addArguments to block this feature. This is the latest feature(after 110 might be) added by...

I have such a test

@Test @WithAnonymousUser void givenNoAuthentication_whenEnteringMainPage_thenRedirectToLoginPage() throws Exception { mockMvc.perform(get( / )).andExpect(redirectedUrl( /login )); } And I got assertion error like this:...

I've used Eclipse Helios with Hibernate Tools installed. Everything worked fine. Now I've changed to Eclipse Kepler. Looks like it has the Hibernate Tools also installed as I'm able to change to Hibernate perspective. When I'm trying to import my...

I am working on Spring boot application where I trying to deploy it on AWS ECS, Before that I tried it on local (Docker Desktop) where it is working fine but same correto8 image is giving below mentioned error on AWS ECS....

I am working on a Billing module of an Application and My client runs a 24/7 Outlet . Over a period of time (1 Week 3 days ), the tomcat Application crashes and a crash log is generated.

Need to understand how to address the issues ,since we run...

My project is completely Gradle (structure is that my root project has multiple sub projects and a few sub projects depend on few other sub projects).

I applied the cyclonedxBom plugin to all the sub projects (included this plugin in the...

I work on a spring boot application with spring data and hibernate. I am using hexagonal architecture. I have 2 hexagons:
ConnexionManagment OrderManagment
Each hexagon interacts with the same table in the database called User. In the...

Controller

@GetMapping(value = /result , produces = text/csv ) public ResponseEntity getResult(@RequestParam String id) { final List empList = List.of(emp1, emp2); final InputStreamResource inputStreamResource = new...

I have been studying apache kafka for a month now. I am however, stuck at a point now. My use case is, I have two or more consumer processes running on different machines. I ran a few tests in which I published 10,000 messages in kafka server. Then...

I have below code in one of my methods

ZonedDateTime current = Instant.now().atZone(ZoneId.of(AMERICA_NEW_YORK)); I want to mock current in the JUnit test.

I tried with java.time.Clock but for this, I need to add it into the class constructor...

I cant find jlabel in my java swings palette, i have searched but it isn't showing it, Can someone tell me the solution? I'll be really thankful.

I just want a solution to get that key back. I am stuck in my project just because of it.

Источник:

In official JDK docs, the java.io.InputStream#read(byte[], int, int) said:

Let k be the number of bytes actually read; these bytes will be stored in elements b through b , leaving elements b through b unaffected.

But after the sentence, the next...

I've a problem sending data from jQuery to struts2 action class. I have seen the question: JSON Jquery to Struts2 action but I don't understand the solution quite well.

Here is my problem:

The json array is like this:

I want to send the json...

In my current situation I'm using a Set to not have any duplicates, but was wondering what is faster, Set or List?

Set sentEmails = drawingParticipants.stream() .map(participant -> participant.getParticipant().getEmail())...

Lets say I have ES records like this:

{ customerId : 1, address : hotel1:1, hotel2:2 week : 1 } { customerId : 2, address : hotel3:1, hotel4:2 week : 2 } Now I want to concat address into 1

{ customerId : 2, address : hotel3:1, hotel4:2 ,...

I'm working with Apache Flink for stream processing and I've encountered a scenario that I haven't been able to find a solution for in the documentation or online resources. My scenario involves processing data streams where each element is keyed...

I have code to open a link in a browser. I need to run application with docker, but just calling Runtime.getRuntime().exec(...) executes it inside the Docker container. How can I open the link inside docker container?

if (SystemUtils.IS_OS_LINUX)...

i have this query in repository on java with spring framework

@Query(value = SELECT cr.reviewer_name, cr.message, cr.rating, cr.source, cr.show_status, cr.created_date, + cr.group_index, string_agg(cr.type, ',') + FROM customer_review cr + WHERE...

I am consuming some JSON from two different sources, I end up with two JSONObjects and I'd like to combine them into one.

Data:

Object1 : { Stringkey : StringVal , ArrayKey : } Object2 : { Stringkey : StringVal , Stringkey : StringVal ,...