C++ Notes

VARIABLES
variables must be:
declared (the type of variable)
defined (values assigned to a variable)
before it can be used in a program.

DATA TYPES
C++ supports the following inbuilt data types:-
int (to store integer values),
float (to store decimal values),
char (to store characters),
bool (to store Boolean value either 0 or 1) and
void (signifies absence of information).

KEYWORDS
reserved wordsjavascript:void(0)

IDENTIFIERS
name of functions, variables, classes, arrays etc.

CONSTANTS
fixed values which cannot change.