Ya les iré contando como me fué con cada uno de los problemas, el primero de ellos es sólo para probar que el código enviado compila, para lo cual prepare mi archivo Ant:

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< ?xml version="1.0" encoding="ISO-8859-1"?>
 
Solution for puzzles from 'Puzzle Master Facebook Page',
Solution sent to address: perl -e 'printf "%d\@facebook.com\n", 0xFACEB00C>>2'
Author: josevnz@kodegeek.com. http://kodegeek.com/blog/

El código de ‘MeepMeep’

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package com.kodegeek.blog.jobsearch.facebook.meepmeep;
 
/**
 * Write a program that takes as input a single argument on the command line.
 * This argument must be a file name, which contains text.
 * The program should completely ignore this argument and instead print
 * to standard out the string "Meep meep!" (without the double quotes) followed by a newline.
 * @author josevnz@kodegeek.com
 *
 */
public final class MeepMeep {
 
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println("Meep meep!");
 
	}
}

Y el wrapper:

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exec java -classpath . com.kodegeek.blog.jobsearch.facebook.meepmeep.MeepMeep $*

Ellos piden que lo envies a la siguiente dirección: {0xFACEB00C>>2 in decimal}@facebook.com

Decodificarla es trivial en Perl y en cualquier otro lenguaje:

 lang="Perl">
perl -e 'printf "%d\@facebook.com\n", 0xFACEB00C>>2'

Si todo sale bien, el robot de Facebook les dirá lo siguiente:

Dear submitter,

Thank you for your test submission of a puzzle solution to Facebook! After running your solution to meepmeep, I have determined it to be correct. Since your test has been successful, you are all set to try one of the other puzzles. Best of luck!

Sincerely,
-The puzzle robot

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