Organizing the Parts of a Program in C++

This chapter is from the book

C++ in 24 Hours, Sams Teach Yourself, 6th Edition

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This chapter is from the book

This chapter is from the book 

C++ in 24 Hours, Sams Teach Yourself, 6th Edition

Learn More Buy

Workshop

Now that you’ve learned about some of the pieces of a C++ program, you can answer a couple of questions and complete a couple of exercises to firm up your knowledge.

Quiz

1. What data type does the main function return?

   1. void

   2. int

   3. It does not return a type.

2. What do the braces do in a C++ program?

   1. Indicate the start and end of a function

   2. Indicate the start and end of a program

   3. Straighten the program’s teeth

3. What is not part of a function’s signature?

   1. Its name

   2. Its arguments

   3. Its return type

   Answers

   1. The main function returns an int (integer).

   2. Braces mark the start and end of functions and other blocks of code you learn about in upcoming hours.

   3. A function signature consists of its name, parameters, and the precise order of those parameters. It does not include its return type.

Activities

• Rewrite the Motto program to display the Aarhus University motto in a function.

• Rewrite the Calculator program to add a third integer called z in the add() function and call this function with two sets of three numbers.

To see solutions to these activities, visit this book’s website at http://cplusplus.cadenhead.org.