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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Vehicle {
  5.    public:
  6.       void SetSpeed(int speedToSet) {
  7.          speed = speedToSet;
  8.       }
  9.  
  10.       void PrintSpeed() {
  11.          cout << speed;
  12.       }
  13.  
  14.    private:
  15.       int speed;
  16. };
  17.  
  18. class Car : public Vehicle {
  19.    public:
  20.       void PrintCarSpeed() {
  21.          cout << "Driving at: ";
  22.          PrintSpeed();
  23.       }
  24. };
  25.  
  26. class ElectricCar : public Car {
  27.    public:
  28.       void SetBatteryLevel(int levelToSet) {
  29.          batteryLevel = levelToSet;
  30.       }
  31.  
  32.       void PrintBatteryLevel() {
  33.          cout << "Battery: " << batteryLevel;
  34.       }
  35.  
  36.    private:
  37.       int batteryLevel;
  38. };
  39.  
  40. int main() {
  41.    ElectricCar myCar;
  42.  
  43.    myCar.SetSpeed(50);
  44.    myCar.SetBatteryLevel(15);
  45.  
  46.    myCar.PrintCarSpeed();
  47.    cout << endl;
  48.    myCar.PrintBatteryLevel();
  49.  
  50.    return 0;
  51. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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Driving at: 50
Battery: 15
https://ideone.com/gOceD0
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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