Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedImage img = ImageIO.read(new File("c:/Java_Dev/a.jpg"));
        int height = img.getHeight();
        int width = img.getWidth();

        System.out.println(height + "  " + width + " " + img.getRGB(30, 30));

        for (int h = 1; h < height; h++) {
            for (int w = 1; w < width; w++) {
                int rgb = img.getRGB(w, h);
                int red = (rgb >> 16) & 0x000000FF;
                int green = (rgb >> 8) & 0x000000FF;
                int blue = (rgb) & 0x000000FF;

                if (red == 0 && green == 0 && blue == 0) {
                    System.out.println("Black");
                }
            }
        }
    }
}