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C++ Beginners Cheat Sheet (DRAFT) by

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Basic Data Types

int
Positive and negative whole numbers
 
unsigned int
Positive whole numbers
 
char
ASCII characters
 
float
Decimal numbers
 
double
Double­-pr­ecision decimal numbers

Variable Decele­ration & Initia­liz­ation

int x;
Declare an integer called 
x
 
float x, y, z
;
Declare three floats, 
x
, 
y
and 
z
 
char c = 'A';
Declare a character called 
c
and initialize it to the letter 'A'
 
unsigned int x = 10, y, z = 5;
Declare three unsigned integers, 
x
, 
y
, and 
z
, and initialize 
x
to 
10
and 
z
to 
5