while using g.drawImage(img,0,0,100,100,0,0,0,0,null) it does not produce any result?

while开发者_如何转开发 using g.drawImage(img,0,0,100,100,0,0,0,0,null) it does not produce any result. So how to draw on the image in file of a better way?As well as ensuring the image is loaded, the