c++ variable is of type code example

Example 1: print data type of a variable in c++

int x = 5;
typeid(x).name();
//output: i
// i stands for int

Example 2: c++ declare variable

std::string str = "text";	// stores a string
int    foo = 3;				// stores any integer
float  bar = 3.14;			// stores 32 bit number
double baz = 3.14159265;	// stores 64 bit number