import javax.microedition.lcdui.*;

public class AppCanvas extends Canvas {
protected void paint(Graphics g) {
private int w= getWidth();
private int h=getHeight();
private int x=w-50;
private int y=h-50;
protected void paint(Graphics g)
{
g.setColor(255,255,255);
g.fillRect(0,0,w,h);
g.setColor(255,0,0);
 g.drawArc(x,y,100,100,0,0);
}
}