class_16:多重继承

#include <iostream>

using namespace std;
class ClassA{
public:
    void dispalyA(){
        cout<<"ClassA:display"<<endl;
    }

    void func(){
        cout<<"ClassA:func"<<endl;
    }
};

class ClassB{
    public:
    void dispalyB(){
        cout<<"ClassB:display"<<endl;
    }

    void func(){
        cout<<"ClassB:func"<<endl;
    }

};

class Device:public ClassA,public ClassB{
public:
    void display(){
       dispalyA();
       dispalyB();
       ClassA::func();
    }
};

int main()
{
    cout << "Hello World!" << endl;
    Device d1;
    d1.display();
    return 0;
}