public class Point extends Canvas implements CommandListener {
private int x;
private int y;
private int width;
private int height;
private boolean clrFlag = true;
private Command clear;
 public Point () { super();
width=getWidth();
height=getHeight();
x=width/2;
y=height/2; 
clear = new Command("Clear",Command.OK,1);
addCommand (clear);
set CommandListener(this); }
public void paint(Graphics g) {
if (clrFlag) { g.setColor(0xffffff);
g.fillRect(0,0,width,height);
clrFlag = false; }
g.setColor(255,0,0);
g.drawLine(x,y,x,y); }
public void CommandAction(Command c,Displaybles) {
if (c == Clear) { clrFlag = true;
x=width/2;
y=height/2; 
repaint();
{
{
public void KeyPressed(int KeyCode) {
case KEY_NUM1: x-;y-;break;
case KEY_NUM2: y-;break;
case KEY_NUM3: x++;y-;break;
case KEY_NUM4: x-;break;
case KEY_NUM6: x++;break;
case KEY_NUM7: x-;y++;break;
case KEY_NUM8: y++;break;
case KEY_NUM9: x++;y++;break; {
repaint();
}
}
 public void start.App() { Point point = new Point();
display = Display.getDisplay(this);
display.setCurrent(point);
}