C++中 继承 多态性改造实验

发布网友 发布时间：2022-11-10 21:14

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热心网友 时间：2024-10-21 10:10

vehicle.h

#ifndef __VEHICLE_H__
#define __VEHICLE_H__

#include <iostream>

using namespace std;

class vehicle
{
public:
virtual void horn() = 0;
virtual void print()
{
cout<<"This is a vehicle."<<endl;
}
};
#endif

taxi.h

#ifndef __TAXI_H__
#define __TAXI_H__

#include <iostream>
#include "vehicle.h"

using namespace std;

class taxi : public vehicle
{
public:
void horn()
{
cout<<"Taxi's horn"<<endl;
}
void print()
{
cout<<"This is a taxi."<<endl;
}
};
#endif

truck.h

#include <iostream>
#include "vehicle.h"

using namespace std;

class truck : public vehicle
{
public:
void horn()
{
cout<<"Truck's horn"<<endl;
}
void print()
{
cout<<"This is a truck."<<endl;
}
};

main.cpp

#include <iostream>
#include <vector>
#include "taxi.h"
#include "truck.h"

using namespace std;

int main()
{
vector<vehicle*> v;
taxi ta1,ta2;
truck tr1,tr2;
vehicle* p[4];
p[0]=&ta1;
p[1]=&tr1;
p[2]=&ta2;
p[3]=&tr2;

v.push_back(p[0]);
v.push_back(p[1]);
v.push_back(p[2]);
v.push_back(p[3]);

v[0]->horn();
v[1]->horn();
v[2]->horn();
v[3]->horn();

return 0;
}

热心网友 时间：2024-10-21 10:10

对，对对。。