实例 C++ 使用解引用运算符 * 获取变量的值

#include <iostream>

#include <string>

using namespace std;

​

int main() {

  string food = "Pizza";  // Variable declaration

  string* ptr = &food;    // Pointer declaration

​

  // Reference: Output the memory address of food with the pointer

  cout << ptr << "\n";

​

  // Dereference: Output the value of food with the pointer

  cout << *ptr << "\n";

  return 0;

}

​