This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Morgan, A helper class is sometimes called a utility class. This is a class that has methods that have meaning on their own and make some other task easier. Suppose, my job is to write a program to read in a file and do some processing. I would write/call a helper class to read in the file. This allows me to focus on the processing logic in the main class.