import java.io.*;
import javax.imageio.*;
import java.awt.image.*;
class ReadImageInArray 
{
    public static int[] getImagePixels(BufferedImage image)
{
    PixelGrabber grabber;
    int[] pixels = new int[image.getWidth() * image.getHeight()];
    try
    {
        grabber = new PixelGrabber(image, 0, 0, image.getWidth(), image.getHeight(), pixels, 0, image.getWidth());
        grabber.grabPixels(0);

    }
    catch (Exception e)
    {
        e.printStackTrace();
    }
    return pixels;
}
    public static void main(String[] args) throws Exception
    {
        File input = new File("C:/rose.jpg");
        BufferedImage image = ImageIO.read(input);
      int array[]=getImagePixels(image);
      for(int i=0;i<array.length;i++){
          System.out.println(array[i]);
      }
    }
}