多态性与虚函数 P263 例8，48 交通工具类Vehicle 意义不大

//
// Created by 刘彪 on 2020/3/3.
//多态性与虚函数 P263 例8，48 交通工具类Vehicle
#include <iostream>
#include <cstring>
using namespace std;
class Vehicle{
public:
    virtual void showinfo()=0;

protected:
    char Name[20];
};

class Car:public Vehicle{
public:
    Car(char *name){
        strcpy(Name,name);

    }
    void showinfo(){
        cout<<Name<<endl;
    }

protected:
    int Radius;
};


class Truck:public Vehicle{
public:
    Truck(char *name){
        strcpy(Name,name);

    }
    void showinfo(){
        cout<<Name<<endl;
    }


};

class Boat:public Vehicle{
public:
    Boat(char *name){
        strcpy(Name,name);

    }
    void showinfo(){
        cout<<Name<<endl;
    }


};
int main(){
    Vehicle *vp;
    Car car("奔驰");
    Truck truck("运输卡车");
    Boat boat("游艇");
    vp = &car;
    vp->showinfo();
    vp=&truck;
    vp->showinfo();
    vp=&boat;
    vp->showinfo();
}