I'm trying to write custom JFrame and JPanel for my Java application. Currently, I just want to have a JPanel with a start button in the very middle of the screen. So, here's the code I have: package ...

Here's some context: I'm working on an assignment to collapse an edge in a mesh that is stored half-edge data structure. This is the immediately relevant code. System.out.println("Initial Size: " ...

How to check if a web page has been opened by a mobile browser or a computer browser. I tried this : name = request.getHeader("User-Agent"); But it gives these type of results : For Fedora Firefox ...

I have a Java Applet compiled in Eclipse using Swing. See here: http://www.test.world2build.com/Game/Play.aspx For the start of the applet, I made a "Loading..." dialog that would login and download ...

I am working on a problem which requires me to fetch a list of all Kafka topics present in a cluster and also get their corresponding partition number. I know that this can be done through kafka-...

I need a rounding function that returns a larger integer when the input is positive and the a smaller number when negative, i.e. it should not return 0 unless the input is actually 0.0. Examples: f(...

OSX apps have a Help menu on the right of the menu bar. When the Help menu is click, a menu opens with a search box at the top and a few menu items under it. How can this be achieved in a Java Swing ...

I have a Java 7 code, where I'm playing with MethodHanlde. The code is : import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; class ...

Because codenameone can not use external libraries (HttpConnection) then I have to use the internal library / API provided Codenameone, it's just that I've managed to post the data to format text / ...