learnmoderncpp-tutorial/headers/05-pointer.cpp at main · cpp-tutor/learnmoderncpp-tutorial · GitHub

15 lines (13 loc) · 507 Bytes

// 05-pointer.cpp : write a variables value through a pointer

#include <iostream>

using namespace std;

int main() {

int i{ -1 }, j{};

int *p; // define p as an int*

p = &i; // set p to address of i

cout << "(1) p = " << p << ", *p = " << *p << ", i = " << i << '\n';

cout << "Please enter an integer: ";

cin >> j;

*p = j; // assign the value of j to the variable p points to

cout << "(2) p = " << p << ", *p = " << *p << ", i = " << i << '\n';

}

Expand file tree