Category "java"

Java 8 LocalDateTime.now() only giving precision of milliseconds

Is it possible to get microseconds in Java 8? The Java 8 LocalDateTime class has a .getNano() method which is meant to return nanoseconds, but on both Linux(Ubu

Adding Assertion module to HashTree from Jmeter using Java

Edit The hirerachy of my test script is the following: - test plan - thread group 1 - http sampler 1-1 - thread group 2 - http sampler 2-1 - thre

Developing a Spring REST service with OData interface

I'm developing a RESTful service using the spring framework. This service has a few different controllers. Some of the controllers allow the user to query data

How do I initialize a two-dimensional List statically?

How can I initialize a multidimensional List statically? This works: List<List<Integer>> list = new ArrayList<List<Integer>>(); But

@Transactional method calling another method without @Transactional anotation?

I've seen a method in a Service class that was marked as @Transactional, but it was also calling some other methods in that same class which were not marked as

Difference between Entity and DTO

What is the difference between a DTO and an Entity? In details these are my questions: What fields should the DTOs have? For example my entity classes are: @E

Tracking "hidden" exceptions

I am inspecting the output of a program of mine where from time to time I see a message like "java.lang.NullPointerException" and nothing else. Because this doe

Android Studio - Java JVM

I downloaded the latest version of Android Studio, but I can not use it. The following message appears: Failed to create JVM: error code -4 JVM Path: C:\Progra

Confused over compareTo implementation with PriorityQueue

I am trying to write a program where I replicate a registrar's office using a priority queue. The sorting for this priority queue would be based on a higher GPA

JavaFX "Location is required." even though it is in the same package

I am trying to get my JavaFX program to run but am having some difficulty. I keep getting an error of 'java.lang.NullPointerException: Location is required.' Th

Multiple If-else or enum - which one is preferable and why? [closed]

Here is the original code: public class FruitGrower { public void growAFruit(String type) { if ("wtrmln".equals(type)) {

Getting illegal character in scheme name at index 0 error while calling a post request through apache client

I am trying to execute an apache client httppost call in my java code. The url which I was able to execute successfully using curl command was as below- curl -

AWS Elastic Beanstalk - Failed to deploy application

I am not able to deploy my application on Elastic Beanstalk. Getting below error in eb-engine.log An error occurred during execution of command [app-deploy] - [

How to assert an actual value against 2 or more expected values?

I'm testing a method to see if it returns the correct string. This string is made up of a lot of lines whose order might change, thus usually giving 2 possible

SP2-0310: unable to open file .sql

I am calling batch file from my java program which in result execute some .sql files. the batch script is below: set part1= CREATE OR REPLACE DIRECTORY REPORT

IOException parsing XML document from class path resource

Ok I'm currently trying mavenise a project. However my project fails to find the xml file containing the some beans. combined2.xml I have it defined as: p

Java Graphics, Graphics panel and Buttons Panel

I am trying to create a Frame that has a graphics panel on the top portion (through a Layout) and a buttons / labels panel underneath it in the same frame. So

How to remove all callbacks from a Handler?

I have a Handler from my sub-Activity that was called by the main Activity. This Handler is used by sub-classes to postDelay some Runnables, and I can't manage

SoapUI Build War file

I have xml project created by the SOAPUI. And I need to generate a war file using Java. I found the classes that provide this functionality, but when you creat

If statement executing all conditions

This may actually be a silly question but I am wondering if it is possible to have an if statement executing all conditions. I explain: if (methodA() &&