www.pudn.com > J2MEdevelop.rar > HelloWorld.java

import javax.microedition.midlet.*; 
import javax.microedition.lcdui.*; 
 
public class HelloWorld extends MIDlet implements CommandListener { 
 
    private Display display; 
    public static final Command exitCommand = new Command("退出",Command.EXIT,1); 
 
    public HelloWorld() { 
         
    } 
 
    public void startApp() { 
    	if(display == null) 
    	{ 
    		display = Display.getDisplay(this); 
        } 
        TextBox t = new TextBox("Netbeans", "出色的Java开发工具", 256, 0); 
        display.setCurrent(t); 
    } 
 
    public void pauseApp() { 
    } 
 
    public void destroyApp(boolean unconditional) { 
 
    } 
 
    public void commandAction(Command cmd,Displayable displayable){ 
	if(cmd == exitCommand){ 
		destroyApp(false); 
		notifyDestroyed(); 
	} 
    } 
}