Exam 4: Parameters and Overloading

Write a definition for a void-function that has two int value parameters and outputs to the screen the product of these arguments.Write a main function that asks the user for these two numbers,reads them in,calls your function,then terminates.

Default arguments can be used with either call-by-value or call-by-reference parameters.

Which of the following overloadings will be invoked by this call? g(1,2);

What is a driver program?

Call-by-reference is restricted to void functions.

The fundamental rule for testing functions requires that every function be tested in an already fully tested and debugged program.How can this be accomplished? Give a testing scenario for testing a program with main function that calls several functions.

Names of parameters in functions,especially function prototypes,have no meaning,and may be selected quite arbitrarily.

Mixing call-by-reference and call-by-value parameters is strictly prohibited.

A program should have all of its functions written before testing can begin.

There is no problem with the compiler distinguishing these two function definitions: void func(double x){/*…*/} int func(double x){/*…*/ return something_double;}

Write a void function using two type int call-by-reference parameters that swaps the values in the arguments.Be sure to include testable pre and post conditions.