Hello Word Java J2ME

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class HelloWorld extends MIDlet{

    private Form form;
    private Display display;

public HelloWorld(){
super();
}

public void startApp(){
form = new Form("Hello World");
String msg ="Hello, Emma This is BB CV 8520";
from.append(msg);
display=Display.getDisplay(this);
display.setCurrent(form);
}

public void pauseApp(){}


public void destroyApp(boolean unconditional)
{
notifyDestroyed();
}
}