9E/11.7 MultipleInheritance_Platypus.cpp at main · learncppnow/9E · GitHub

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#include <iostream>

using namespace std;

class Animal

{

public:

Animal()

{

cout << "Animal constructor" << endl;

}

int age;

};

class Mammal:public Animal {};

class Bird:public Animal {};

class Reptile:public Animal {};

class Platypus :public Mammal, public Bird, public Reptile

{

public:

Platypus()

{

cout << "Platypus constructor" << endl;

}

};

int main()

{

Platypus duckBilledP;

// uncomment next line of code to see compile failure because

// age is ambiguous: three instances of base Animal per Platypus

// duckBilledP.age = 25;

return 0;

}

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