If you want to load an image from your drive , javax.imageio.ImageIO lets you do it.

	BufferedImage originalImage = ImageIO.read(new File("c:\\image\\mypic.jpg"));

If you want to write an image to your drive , javax.imageio.ImageIO lets you do it.

	ImageIO.write(originalImage, "jpg", new File("c:\\image\\mypic_new.jpg"));

Example

This class will load an image from “c:\\image\\mypic.jpg” and write it to an new image located at “c:\\image\\mypic_new.jpg”

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
 
/*
 * @author mkyong
 *
 */
public class ImageTest {
 
	public static void main(String [] args){
 
	try{
 
		BufferedImage originalImage = ImageIO.read(new File("c:\\image\\mypic.jpg"));
 
		ImageIO.write(originalImage, "jpg", new File("c:\\image\\mypic_new.jpg")); 
 
	}catch(IOException e){
		System.out.println(e.getMessage());
	}
 
   }
 
}
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