// draw a line across the screen
import java.applet.*;
import java.awt.*;
public class app1 extends Applet {
private int width;
private int height;
public void init() {
width = getSize().width;
height = getSize().height;
setBackground( Color.black );
}
public void paint( Graphics g ) {
g.setColor( Color.green );
g.drawLine(0,0,width,height);
}
}