Equation-driven smoothly shaded concentric shapes?

Background Looking to create interesting video transitions (in grayscale). Problem Given equations that represent...

Java Swing set “actual” Frame size (inside)?

I have a JFrame which contains just one JPanel. I have tried setting the Panel's size and packing the frame, but tha...

Split Java String by New Line?

I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I al...

Split Java String by New Line?

I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I al...

Split Java String by New Line?

I'm trying to split text in a JTextArea using a regex to split the String by \n However, this does not work and I al...

Draw varying size rectangle with different orientation using rectangle 2D?

I want to draw a rectangle in a java application. I have used rectangle2d to draw a rectangle. I need the rectangle ...

How do you get Eclipse to auto-generate a main method for a new Java class??

Does anyone know a reason why my Eclipse does not preload public static void main(String[] args) when I create a ...

Where do you get zebra printer fonts for print preview??

I'm printing labels with a Zebra printer using Java by sending ZPL II commands. I want to show a preview of the lab...

Can we rely on String.isEmpty for checking null condition on a String in Java??

I am passing an accountid as input from an XML file as shown, which will be parsed later and will be used in our c...

Liquid level animation( Battery Doctor )?

I want to know how to make this kind of animation in android ( The same in Battery Doctor app ). I found a way to...

Find the size of maze corridors in a image?

So I am building a application to solve mazes one of the options is upload a picture and it will solve it. However u...

HashMap - getting First Key value?

Below are the values contain in the HashMap statusName {Active=33, Renewals Completed=3, Application=15} Java cod...