Write a MIDlet program for PacerExample

import javax.microedition.lcdui.*;

import javax.microedition.midlet.*;

public class PacerExample extends MIDlet{

                public void startApp(){

                                Displayable d = new PacerCanvas();

                                d.addCommand(new Command("Exit", Command.EXIT, 0));

                                d.setCommandListener(new CommandListener() {

                                                public void commandAction(Command c, Displayable s) {

                                                                notifyDestroyed();

                                                }

                                });

                                Display.getDisplay(this).setCurrent(d);

                }

                public void pauseApp(){}

                public void destroyApp(boolean unconditional){}

}

class PacerCanvas extends Canvas{

                public void paint(Graphics g){

                                int w = getWidth();

                                int h = getHeight();

                                g.setColor(255, 162, 117);

                                g.fillRect(0, 0, w, h);

                                g.setColor(0, 0, 255);

                                for(int x = 0; x < w; x += 20){

                                                g.drawLine(0, w - x, x, 0);

                                }

                                int z = 100;

                                g.drawRect(z, z, 30, 30);

                                z += 20;

                                g.fillRoundRect(z, z, 30, 30, 10, 10);

                                z += 20;

                                g.drawArc(z, z, 30, 30, 0, 360);

                }

}