张生工作室

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class MIDlet2 extends MIDlet  {
 
 private List list;
 
 private Command cmdOk;
 
 private Display dis;

 public MIDlet2() {
  // TODO Auto-generated constructor stub
 }

 protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
  // TODO Auto-generated method stub

 }

 protected void pauseApp() {
  // TODO Auto-generated method stub

 }

 protected void startApp() throws MIDletStateChangeException {
  
    cmdOk=new Command("确定",Command.OK,1);
   
    list=new List("请选择",List.EXCLUSIVE);
  
  for(int i=0;i<10;i++)
  {
   list.append("列表"+i, null);
   
  }
  list.addCommand(cmdOk);
  dis=Display.getDisplay(this);
  list.setCommandListener(new Operater());
  dis.setCurrent(list);
  // TODO Auto-generated method stub

 }

}

class Operater implements javax.microedition.lcdui.CommandListener
{

 public void commandAction(Command c, Displayable d) {
  
  
  if(c.getLabel().equals("确定"))
  {
   List l=(List)d;
     l.setTitle( l.getString(l.getSelectedIndex())); 
  }
  
 }
 
 
}