helloworld.java

Java ME手机应用开发大全一书的配套光盘上的源码

import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
import javax.microedition.lcdui.*;


public class HelloWorld extends MIDlet {
	 Display display;
	public HelloWorld() {
		// TODO Auto-generated constructor stub
		super();
        display = Display.getDisplay(this);
	}

	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 {
		// TODO Auto-generated method stub
		Form form = new Form("Hello World!");
        form.append("Welcome to J2ME world!");
        display.setCurrent(form);

	}

}