W3School TIY Editor

#include <iostream>

using namespace std;

​

// 基类

class Employee  {

  protected:  // 受保护的访问修饰符

    int salary;  // 薪资

};

​

// 派生类

class Programmer: public Employee {

  public:

    int bonus;  // 奖金

    void setSalary(int s) {

      salary = s;

    }

    int getSalary() {

      return salary;

    }

};

​

int main() {

  Programmer myObj;

  myObj.setSalary(50000);

  myObj.bonus = 15000;

  cout << "基本工资: " << myObj.getSalary() << "\n";

  cout << "奖金: " << myObj.bonus << "\n";

  return 0;

}