Write MIDlet program for CheckBoxExample

import javax.microedition.lcdui.*;

import javax.microedition.midlet.*;

public class CheckBoxExample extends MIDlet implements CommandListener {

                private Display display;

                private Form form;

                private Command exit, choose;

                private ChoiceGroup technology;

                private int index;

                public CheckBoxExample() {

                form = new Form("Technologies");

technology = new ChoiceGroup("Select Technology Which You Know", Choice.MULTIPLE);

                exit = new Command("Exit", Command.EXIT, 1);

                choose = new Command("Choose", Command.SCREEN, 2);                            

                }

                public void startApp() {

                                display = Display.getDisplay(this);

                                technology.append("JAVA", null);

                                technology.append("J2ME", null);

                                technology.append("J2EE", null);

                                technology.append("JSF", null);

                                index = form.append(technology);

                                form.addCommand(exit);

                                form.addCommand(choose);

                                form.setCommandListener(this);

                                display.setCurrent(form);

                }

                public void pauseApp(){}

                public void destroyApp(boolean unconditional){

                                notifyDestroyed();

                }

public void commandAction(Command c, Displayable displayable){

                                String label = c.getLabel();

                                if (label.equals("Choose")) {

StringItem message[] = new StringItem[technology.size()];

boolean get[] = new boolean[technology.size()];

technology.getSelectedFlags(get);

for (int i = 0; i < get.length; i++) {

if (get[i]) {

message[i] = new StringItem("Your Choice is: ", technology.getString(i));

form.append(message[i]);

                }

}

form.delete(index); form.removeCommand(choose);

                                } else if (label.equals("Exit")){                                         destroyApp(false);                            }               } }