Sams Teach Yourself C++ in 24 Hours, Third Edition

Q&A

Q1:	Why would you ever use default values when you can overload a function?
A1:	It is easier to maintain one function than two, and often easier to understand a function with default parameters than to study the bodies of two functions. Furthermore, updating one of the functions and neglecting to update the second is a common source of bugs.
Q2:	Given the problems with overloaded functions, why not always use default values instead?
A2:	Overloaded functions supply capabilities not available with default variables, such as varying the list of parameters by type rather than just by number.
Q3:	When writing a class constructor, how do you decide what to put in the initialization and what to put in the body of the constructor?
A3:	A simple rule of ...