checking data types in cpp code example

Example 1: how to check datatype of a variable in c++

#include <typeinfo>
...
cout << typeid(variable).name() << endl;

Example 2: All data types in C++

Data Type 										Size
int (Integer) = 5, 6, 7							2
float (Floating Value) = -3.67, 2.67			4
double (Double of float) = -7.8746				8
char (Character) = 	'a', 'b', 'A'				1
string (Multiple chars) = "Hello World" 		No of Chars
bool (Boolean) = true, false					true = 1, false = 0