Lecture 4

Question 1

Declaring vs defining

Answer 1

Declaring establishes the item’s type and name: “function x exists”

Defining establishes the item’s purpose “this is what function X does”

Compiler error will result if you try to use something undefined

Question 2

Header and source files

Answer 2

Header files (.h) contain relevant declarations

Source files (.cpp or .c in C) contain code definitions

Source and header files then #include other header files with needed definitions.

Question 3

Using C++ resources

Answer 3

Uses #include and

Less extensive than Java’s resources

Very common inputs: and