Polymorphism.cpp

//Your task is as follows (note that class/function names are CaSE-SenSItiVe)
#include <string>
// 1. Create a class called Vehicle.

class Vehicle
{

  public:
    virtual const std::string GetType() const = 0;
    virtual unsigned int GetMaxSpeed(bool isMPH) = 0;
    virtual ~Vehicle() = default;
};

// 2. Vehicle should have two PURE-Virtual member functions:
//    a) "GetType() const" which returns a "const std::string&"
//    b) "GetMaxSpeed(bool isMPH)" which returns an unsigned int.

// 3. Create a class called Car that is derived from Vehicle.

class Car : public Vehicle
{
  public:
    const std::string GetType() const
    {
        return "car";
    }
    unsigned int GetMaxSpeed(bool isMPH)
    {
        return (isMPH) ? 155 : 249;
    }
};

// 4. Car should return "car" when GetType() is called on it.
//      You should store the string on the class since GetType() returns a reference.
// 5. Car should return 155 when GetMaxSpeed(true) is called on it.
// 6. Car should return 249 when GetMaxSpeed(false) is called on it.

// 7. Create a class called Bus that is also derived from Vehicle.

class Bus : public Vehicle
{
  public:
    const std::string GetType() const
    {
        return "bus";
    }
    unsigned int GetMaxSpeed(bool isMPH)
    {
        return (isMPH) ? 50 : 80;
    }
};