Parameterizing an Applet

public class TestParam extends Applet {

Image img;

public void init() throws RuntimeException {

String imageName = getParameter("image");

if (imageName==null){

throw new RuntimeException("Parameter image is missing");

} else {

img = getImage(getCodeBase(),imageName);

}

public void paint(Graphics g){

g.drawImage(img,50,50,100,100,this);

}