Chapter 6

Question 1

temporary variable

Answer 1

a variable used to store an intermediate value in a complex calculation.

Question 2

dead code

Answer 2

part of a program that can never be executed, often because it appears after a return statement.

Question 3

None

Answer 3

a special value returned by functions that have no return statement or a return statement without an argument.

Question 4

incremental development

Answer 4

a program development plan intended to avoid debugging by adding and testing only a small amount of code at a time.

Question 5

scaffolding

Answer 5

code that is used during program development but is not part of the final version.

Question 6

guardian

Answer 6

a programming pattern that uses a conditional statement to check for and handle circumstances that might cause an error.