How to grab byte[] of an Image in java?

Question

I have a url of an Image. Now I want to get the byte[] of that image. How can I get that image in byte form.

Actually the image is a captcha image. I am using decaptcher

Answer 1

You may want to read this for reading an image in. ImageIO.Read(url) will give you a Buffered Image Which you can then ask for information. I use the getRGB method on BufferedReader to read individual pixels.