A way to draw on a memory bitmap in Java

Drawer.java

import java.awt.Color;
import java.awt.Stroke;
import java.awt.BasicStroke;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import java.io.File;

public class Drawer{
	public static void main(String[] args) throws Exception{
		//Create an in memory Image
		BufferedImage img = new BufferedImage(100, 10, BufferedImage.TYPE_INT_ARGB);
		

		//Grab the graphics object off the image
		Graphics2D graphics = img.createGraphics();
		
		Color color = new Color(50,50,50);
		Stroke stroke = new BasicStroke(1f);
		
		//graphics.setStroke(stroke);
		graphics.setPaint(color);
		
		graphics.fill(new Rectangle(0,0,100,10));
		
		
		File outputfile = new File("saved.png");
		ImageIO.write(img, "png", outputfile);
	}
}