String Class Example
	• Let’s build a complete class using operator overloading to demonstrate the rules and guidelines discussed • We will re-examine this example again next lecture when discussing user defined type conversions • The operations that make sense include: = for straight assignment of strings and char *’s >> and << for insertion and extraction + and += for concatenation of strings and char *’s <, <=, >, >=, !=, ==  for comparison of strings [] for accessing a particular character in a string