java read image file

java-Read image file.java

BufferedImage img = null;
try {
img = ImageIO. read(new File("Image. png") ) ;
int height = img. getHeight() ;
int width = img. getWidth() ;
int[] [] data = new int[height] [width] ;
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j ++) {
int rgb = img. getRGB(i, j ) ; // negative integers
data[i] [j ] = rgb;
}
}
} catch (IOException e) {
// handle exception
}