筆記:類似于接口函數以及接口類(具體介紹文檔後續更新········)
純虛函數:
#include<iostream>
#include<string>
using namespace std;
//純虛函數和抽象類
class A{
public:
virtual void fooa()=0;
};
class B:public A{
void fooa(){
cout<<"這是純虛函數···"<<endl;
}
};
int main(){
A* a=new B();
a->fooa();
delete a;
getchar();
return 0;
}
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運作結果: 純抽象類:
#include<iostream>
#include<string>
using namespace std;
//純虛函數和抽象類
class A{
public:
virtual void fooa()=0;
virtual void foob()=0;
};
class B:public A{
public:
void fooa(){
cout<<"這是B純虛函數···"<<endl;
}
void foob(){
cout<<"bb"<<endl;
}
};
class C:public A{
public:
void fooa(){
cout<<"這是C純虛函數···"<<endl;
}
void foob(){
cout<<"cb"<<endl;
}
};
int main(){
A* a=new B();
a->fooa();
a->foob();
delete a;
a=new C();
a->fooa();
a->foob();
getchar();
return 0;
}
運作結果: