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Java User’s Guide

6.3 Hello World MIDlet

wm_java_usersguide_v12 Page 52 of 123 2008-02-25

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6.3 Hello World MIDlet

Here is a sample HelloWorld program.

/**

* HelloWorld.java

package example.helloworld;

import javax.microedition.midlet.*;

import java.io.*;

public class HelloWorld extends MIDlet {

/**

* HelloWorld - default constructor

public HelloWorld() {

System.out.println("HelloWorld: Constructor");

}

/**

* startApp()

public void startApp() throws MIDletStateChangeException {

System.out.println("HelloWorld: startApp");

System.out.println("\nHello World!\n");

destroyApp();

}

/**

* pauseApp()

public void pauseApp() {

System.out.println("HelloWorld: pauseApp()");

}

/**

* destroyApp()

public void destroyApp(boolean cond) {

System.out.println("HelloWorld: destroyApp(" + cond + ")");

notifyDestroyed();

}

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