Skill Practice - Chapter 2
When do preprocessor directives execute?
Before the compiler compiles your program
A group of statements, such as the contents of a function, is enclosed in
Braces { }
The following data: 72 'A' "Hello World" 2.8712 are all examples of
Literals or Constants
A(n) [...] is like a variable, but its value is read-only and cannot be changed during the program's execution
Named Constant
Every complete sentence ends with a [...]
Semicolon
The negation operator is
Unary
Declare a character variable named init
char init;
Declare a character variable named letter
char letter;
Declare a double variable called payCheck
double payCheck;
Declare a double variable called velocity
double velocity;
Declare a float variable called mass
float mass;
Declare a float variable called weight
float weight;
Every C++ program must have a
function main
Declare an integer variable called answer and assign it to 42;
int answer = 42;
Declare an integer variable named count
int count;
Declare an array of 3 integers called grades
int grades[3];
Declare an integer variable called laps and assign it to 7
int laps = 7;
Declare an integer variable named num
int num;
Declare an integer variable named population
int population;
Declare a string variable called sailor and assign it the value Popeye
string sailor = "Popeye";
Preprocessor directives begin with a
#
Declare an array of 10 booleans called passed
bool passed[10];