11.) Tut 12 ( 1st pointer).cpp

#include <iostream>
using namespace std;

int main()
{
	//pointer:- datatype which holds the address of another data types.

int a=3;
int* b = &a;

//************ &---->(Address of)operator**************

cout<<"The address of a is "<<&a<<endl;

cout<<"The address of a is "<<b<<endl;




//################  '*'---->(value at)Dereference operator ##################

cout<<"The value at address b is "<<*b<<endl;


//***********Pointer to pointer************

int ** c = &b;
cout<<"The address of b is "<<&b<<endl;
cout<<"The address of b is "<<c<<endl;
cout<<"The value at address c is "<<*c<<endl;
cout<<"The value at address value at(value at(c)) b is "<<**c<<endl;

	return 0;
}