JAVA - Страница 2854

I have a java gradle project with multiple main class, i want to build a docker image with Jib and chose which main class to run when i execute docker run.
Is it possible to do this with Jib or i have to build multiple docker image for each main...

I'm trying to read my previously committed data in @TransactionEvenListener annotated method which has default transaction phase but can't. Actually data is committing pretty fine, I can see it after transaction end, in DB or even if I do not use...

I learned that if the names of beans registered through component scanning overlap with those registered through configuration methods, overriding occurs.
However, when I mistakenly specified the return type of a method in the configuration as the...

The things I need help with are:

What is the correct code to make the isEmpty() and isFull() methods return an answer to tell me if the stack is empty or if the stack is full

I need to make my stack I am using be a set size of five(5)(stack...

Hi I'm using recyclerview for handling multiviewType of the lists, but when i scroll the cells are changing sometimes.
I referred many SO's answer but it didnt worked.
Override the getitemid as well but didnt worked need help for the following...

I am unable to change attribute of the registered MBean in JMC (v 7.1), jdk1.8.0_172

However, I am able to change it in jconsole

MBean definitions and registration:
public class ProfilingController implements ProfilingControllerMBean {
private...

I need to determine the generic type(s) applied to a Java Object at runtime. For a situation like Map , that is rather easy. I have code that looks like this:
protected Class[] getGenericParameterTypes(Field field) {
ParameterizedType pt =...

Is anyone aware of an opensource tool to convert PL/SQL to Java. Or if you have any suggestions to prepare making this tool.

Источник:

I've been trying to build my android app with gradle build, and to get it download required dependencies and jar files automatically, I added in my settings.gradle
apply plugin: 'com.android.application'
apply plugin: 'com.android.library'

And my...

I have below array
int[] a={1,2,3,1,1,2,2,1,3,2,1};
and i want to print all 1 in starting and then all other value as it is in array using java 8.
Below should be output:
{1,1,1,1,1,2,3,2,2,3,2}

Источник:

I wanted to know when exactly we should use @Tranasactional in Spring Boot Services.
Since JpaRepository's save() method is annotated with @Tranasactional is it really required for me to add that annotation in my service method?
I've seen couple of...

When running the maven project i get the following error
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:exec-maven-plugin:3.2.0:java (default-cli) on project test_intelli: An exception occurred...

Certainly! Here's a paragraph in English about the unexpected results you encountered while formatting your code in IntelliJ IDEA 2021.2.1 using the default Code Style configuration:
I recently encountered unexpected outcomes while formatting my...

maven-plugin to build my docker image.

Whenever I run dockerfile:build

I always get this error :

failed to execute goal com.spotify:dockerfile-maven-plugin:1.3.6:build (default-cli) on project XXX: Could not build image
Caused by:...

I am trying to create a filter query using JPA Criteria API that finds all those entities that have a lowest value in their group.
For example given a JPA entity Student mapping a Table similar to:

id
name
grade
class

1
John
1
A

2
Jim
2
A...

I managed to register the Amazon Servlet in a Springboot 2.xx Application like
@Bean
public ServletRegistrationBean registerServlet(Skill skillInstance) {
SkillServlet skillServlet = new SkillServlet(skillInstance);
return new...

cucumber.api.cli.Main run
WARNING: You are using deprecated Main class. Please use io.cucumber.core.cli.Main
0 Scenarios
0 Steps
0m0.014s
I'm not getting snippets for my steps.
Exception in thread main...

I am using,

jdk 8
jdk 11
jdk 17
jdk 21
But in different project they use different jdk versions, everytime i go to environmental variables and change.

I tried jenv but it's kinda irritating, i used sdkman in ubunut it works nice,
please any...

I am looking for a good TCP connection library from Java with the following facilities:

1. Retry on failed publishes
2. Multiple connections

Which library have you sucessfully used.

EDIT: Based on the comment changed the question to reflect...

I'm working on project that need cut list optimization.
Need a best way to cut metal bars with given sizes and reducing wastage.
As a example,
//All values mention in below use meters

double DefaultBarLength=5; //constant value of single bar...

long time= (getTime()/60000L) * 60000L
The getTime() will return unix time in millis. I am exploiting division with longs to write off seconds and millis. The result must also be in unix time format (resolution upto millis)
I am wondering if JVM...

I need to convert a JCE based code to a Bouncy Castle based code. I'm completely new to Bouncy Castle and couldn't find a easy-to-understand introduction to this topic in general or my issue specifically. This is the JCE based class:
import...

My springboot application (for blog) is using JWT method of authentication. When user tries to find a blog by the pageId which doesn't exist in the repository, I am trying to throw a NoSuchElementException
In BlogService:
public BlogResponseDTO...

I have 100 RegEx masks like:
(?.) - (?Start|End) (?\w) - (? {10})(?: - (? .*))?
to search for something, when a RegEx finds something I extract the data to compose another (closing) sentence to search for
ETL_LOAD - End Foo - 2024-03-09
When...

long time= (getTime()/60000L) * 60000L
The getTime() will return unix time in millis. I am exploiting division with longs to write off seconds and millis. The result must also be in unix time format (resolution upto millis)
I am wondering if JVM...