Project: music-organizer-v4. A project to collect audio files.
Authors: David J. Barnes and Michael Kölling

This project is part of the material for the book

   Objects First with Java - A Practical Introduction using BlueJ
   Fifth edition
   David J. Barnes and Michael Kölling
   Pearson Education, 2012

It is discussed in chapter 4.

To start:

Create a MusicOrganizer object on the object bench.
Use its methods to add, remove, and play files.

The listMatching method prints all files matching a
given string the collection.

The findFirst method finds the index of a file that
matches a search string.