ponter1.cpp

#include<iostream>
using namespace std;
int main(){
  //Normal variable declartaion which have value 10.
  int i = 10;
  //pointer declaration of int type and store the address of i variable
  int *p = &i;
  // value of i is 10
  cout<<i;
  //here p is pointer so it will print the address of i 
  //ex : 0xab123dee23
  cout<<p;
  //Here we are printing the address of a pointer varaible
  //Every variable have address, pointer variable stores the address of another variable
  // So pointer is also a kind of variable that's why p also have its own address
  //ex:0xff32eea23
  cout<<&p;
  //If we want to print the value associated with the
  //adddress, which is store in pointer variable then we will use *
  //Here *p will print 10
  cout<<*p;
  return 0; 
}