DZone Snippets is a public source code repository. Easily build up your personal collection of code snippets, categorize them with tags / keywords, and share them with the world

Snippets has posted 5883 posts at DZone. View Full User Profile

J2ME - HelloWorld

  • submit to reddit
        // Example Hello World Java MicroEdition

import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class HelloJ2ME_a1 extends MIDlet
	private Display mDisplay;
	private Form mForm;
	protected void startApp() throws MIDletStateChangeException
		if(mForm == null)
			// Creo il Form dove inserire il messaggio (questo puo' essere pensato come ad un JFrame)
			mForm = new Form("Hello J2ME !!!");
			// Ottengo un Display per la MIDlet
			mDisplay = Display.getDisplay(this);
		// Imposto il Form corrente nel Display

	protected void pauseApp()


	protected void destroyApp(boolean arg0) throws MIDletStateChangeException
		// Notifico alla JVM della morte della MIDlet (viene chiamato il Garbage Collector)