The title may sound confusing. Simply, I have a file that have text inside of it. I used a scanner to read that text. I stored that text into an ArrayLists that is a String. The problem I have is that I need to make a method reverses the text in that ArrayList. The text does reverse, but not completely.
Java – Camunda BPMN model API: how to save valid xml?
I’m building some test BPMN 2.0 models and saving them to xml files, in a Java project, by following the examples provided by the official doc, in this case the example 2. I imported the lib in my pom like below: and this is my test class, following the example 2: Here the generated BPMN 2.0 xml Altough…
How to maintain accordionPanels in the same order?
I’m using accordionPanel in Primefaces. When I refresh the page the order changes! For example: I have 1,2,3 then they become 2,3,1 or 3,2,1 ! The order of the panels changes everytime I refresh the page! So I need to know how to fix that, in order to maintain the order of panels in the same way as it i…
FATAL EXCEPTION: OkHttp Dispatcher
I’m using the OkHttp library in my android app to make web requests to a weather API. I’ve already implemented my code and I’m getting a FATAL EXCEPTION when doing the request. I’ve already added INTERNET permissions in my manifest too. MainActivity.java: Gradle: Then, here’s the…
How to Overcome Aliasing Problem Caused By ConstraintLayout Guidelines?
I am trying to reconcile the following two things: A) I want a precise, uniform, and clean UI with several identically sized buttons that correspond exactly to the underlying ‘grid cells’ — A UI that will look as similar as possible (proportionally to screen size) across as many Android devi…
Java stream find value by key if exists
I’m having simple DataStructure And I need to return value from `List’ based on key and I want to do it Java8 way, with streams. I think code speaks for himself: How can I modify findValueStream() to not throw NoSuchValueException while I search for non existing key? I don’t want to return O…
Prevent injection of bean with narrower scope using Spring
I’m working on a Spring application using beans of different scopes. Many beans are singletons, other request or custom scoped. Especially using those custom scopes makes it sometimes difficult to find out which scope can be safely injected into which other scope or when e.g. a Provider<T> needs t…
Is it okay to declare Spring MVC response DTOs as static nested classes?
Sometimes it is very convenient to use Spring MVC automatic object-JSON conversion feature when you are designing RESTful API for your web application. For this feature to work, one needs to define a …
Break the Transformer flow Spring Integration
I have spring integration flows. One for the file poller and other one is to process the file flow # 01 poll the file in C:/testing directory files comes goes to “process” queue flow # 02 (from “process”) The issue is if the FindTheDepartItBelongs cannot find the department then it has…
Why does the java.time.Clock has zone information?
Why does java.time.Clock has zone information? From the Clock you only can get an Instant when calling the instant() method – which is a time without zone info. Is the only purpose to have the zone available in the clock to e.g. create a ZonedDateTime like this? ZonedDateTime.ofInstant(clock().instant()…