Java tutorial
import java.awt.image.BufferedImage; import java.net.URL; import javax.imageio.ImageIO; public class Main { public static void main(String[] args) throws Exception { BufferedImage image = ImageIO.read(new URL("http://www.java2s.com/style/download.png")); System.out.println(image == null); int width = image.getWidth(); int height = image.getHeight(); System.out.println(width + "x" + height); for (int row = 0; row < height; row++) { for (int col = 0; col < width; col++) { System.out.printf("%04X ", image.getRGB(col, row)); } System.out.println(); } } }