Java Programing laungage

/*
 * Save as a addListMenu.java
 */
package r4r.Mobile.Basic;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
/**
 * @author R4R
 */
public class addListMenu extends MIDlet {
 /* -- Private Field -- */
 private List menu;
 private Display display;
 private Command exit;
 /* -- Default constructor -- */
 public addListMenu() {
 display = Display.getDisplay(this);
 menu = new List("Choose One menu", Choice.IMPLICIT);
 // add items into list
 menu.append("Item 1", null);
 menu.append("Item 2", null);
 menu.append("Item 3", null);
 menu.append("Item 4", null);
 menu.append("Item 5", null);
 
 // add button functionality into menu
 exit = new Command("EXIT", Command.EXIT, 1);
 menu.addCommand(exit);
 }
 public void startApp() {
 menu.setCommandListener(new CommandListener() {
 public void commandAction(Command c, Displayable d) {
 if (c == exit) {
 destroyApp(true);
 notifyDestroyed();
 }
 }
 });
 display.setCurrent(menu);
 }
				
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }
}