C++ Primer Plus, Fifth Edition

Appendix J. Answers to the Review Questions

Answers to Review Questions for Chapter 2

1. They are called functions.

2. It causes the contents of the iostream file to be substituted for this directive before final compilation.

3. It makes definitions made in the std namespace available to a program.

4.

cout << "Hello, world\n";

or

cout << "Hello, world" << endl;

5. int cheeses;

6. cheeses = 32;

7. cin >> cheeses;

8. cout << "We have " << cheeses << " varieties of cheese\n";

9. The function froop() expects to be called with one argument, which will be type double, and that the function will return a type int value. For instance, it could be used as follows:

int gval = froop(3.14159);

The function rattle() has no return value and expects an ...