I'm creating a game with a level constructor.According to the idea, the player creates a level with the mouse, places the robot, cargo and loading location, and
I made a .jar file for my little Programm that works in the Terminal. I also made a bat file to open my jar file automatically however it opens my jar file in t
I am moving a legacy application to the cloud and need guidance on breaking it up. There is a Java application that creates reports/statements out of a database
I have a list of POJOs I need to sort somehow. I define a Comprator inside the POJO class and use it to sort the list. Is the following way correct/best practic
I have been working on dummy Web application, and there are lot html file in template which I want to organize. I am getting an error when I have keeping them i
I know that -> is used for lambda expressions with the syntax ()->{}. But I saw this code: file -> file.isFile() - with no () and {}. What does it do?
I am trying to learn SQL database with a tutorial. I add user and age to database and get them back and displayed using listView using ViewAll button then if
What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them? What methods/tools can be used to determine the cause
I'm wondering if it's possible to get the pixels of an item of a recyclerView, let's say I have an horizontal recyclerView and all the items are the same size (
I have a pretty complex json string that I would like to deserialize into custom Java Pojo, but Im not so sure how to do it. Here is the json: { "A": {
I'm doing an app that blocks the access to another apps when you have used them for an specific time, for example Facebook. So, my idea is to show a screen when
I have simple definition of my entities, but what i do wrong, because i can not get any entity UserInfo and receive only error (could not load an entity: [UserI
I am doing an exercise in a book where you have to test event handling. I have a JList with 3 font choices (Serif, SansSerif, and Monospaced) and two checkboxe
I am using JMeter to generate random number for load test Q) How to encode the long value below "DI"? The original value is 200. 7|0|8|http://10.6.3.1:90/portal
I have 2D ArrayList consisting of Objects, i pass it to a function in another class, like this: public void function(ArrayList<ArrayList<Object>>)..
I'm using java based configuration, using only @Component and @Scheduler Annotation in my other classes, but I don't know why all classes in class path loaded t
I have an api that gives me this json array. How do i just get specific key value pairs for traceId? these are traces generated by zipkin but i want to store th
I am meant to create a game in Java that specifically uses looping Arraylists to create a 4x4 grid. I have a Grid class, made up of an ArrayList of 4 Rows, a Ro
I have a KML File and I need convert to GeoJSON. I am using Geotools in Java for convert KML because GeoServer has problems to import KML. I can convert the fil
This is the Maven shaded plugin I'm using in my pom.xml: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>mav