Intro To Local Variables

Question 1

Local variables

Answer 1

Function parameters defined inside functions body, destroyed opposite of order of creation in running time and must be defined as close to their first use.

Question 2

Identifier’s scope

Answer 2

Determines where the identifier can be accessed in the source code

Question 3

Scope

Answer 3

Compile time property

Question 4

Local variable’s scope

Answer 4

Begins at the point of variable definition, ends at the end of the curly braces

Question 5

Uses of functions

Answer 5

• statements that appear more than once in a program
• code thet has well defined inputs and outputs (ex. Input-unsorted list output-sorted)
• when a function becomes too long, complicated, hard to understand

Question 6

W hitespace

Answer 6

Characters that are used for formatting, space, tab and newline

Question 7

Basic formatting

Answer 7

• not enforced
• function braces either on the same line as a statement or on its own line
• each statement should start 1 tab in from the opening line
• maximum 80 characters in a line
• operators on the biggining of the next line
• use whitespace to allign values or comments