cs161examples/cheatsheetexamples/ampersand.cpp

26 lines
622 B
C++

#include <iostream>
using namespace std;
int main(){
// you can extract the address from a variable like this
int varry = 100;
cout << "here's the address of the variable varry: ";
cout << &varry << endl;
// you can even take that address and put it in a pointer variable
int* pointy;
pointy = &varry;
cout << "this is the address inside the pointer variable pointy: ";
cout << pointy << endl; // this should be the same as above
cout << "The value inside varry: " << varry << endl;
*pointy = 200;
cout << "The value inside varry after setting it with *pointy = 200: " << varry << endl;
}