Lab 2:
near the top of page 22 of is:
Overview of for-each loop
The for each loop is
not in your textbook; it is number 3 in a supplement on a web site:
http://www.cs.armstrong.edu/liang/intro5e/SupplementREnumeratedTypes.pdf
Correction: While this web site does cover what the textbook calls
the "enhanced for", it is in the textbook in section 5.2.5 on
page 178.