Project: auction
Authors: David J. Barnes and Michael Kölling

This project is part of the supplementary material for
chapter 4 of the book

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

Purpose of project: To demonstrate collections of objects
How to start this project:
    + Create an Auction object.

    + Enter a few lots via its enterLot method. Only String
    descriptions of the lots are required.

    + Create one or more Person objects to represent bidders.

    + Show the lots and decide on one to bid for. Make a note
      of the lot number.

    + Enter a bid for the lot by calling the makeABid method on
      the Auction object. Pass the number of the lot, the Person
      who is bidding, and the amount of the bid.