How to insert a button in a form in a j2me application ?

Dear Friends,
I'm new to J2ME. I want to know that how to insert a button in a J2ME form. What are the button action listener available here ? Please provide sample code.

Form form = new Form("Form Title");
StringItem button = new StringItem("", "Button text", Item.BUTTON);
Command buttonCommand = new Command("Button command", Command.ITEM, 1);
button.setDefaultCommand(buttonCommand);
button.setItemCommandListener(new ItemCommandListener() {
public void commandAction(Command c, Item item) {
System.out.println("Button was clicked");
form.append(button);

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