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| #include<iostream>
using namespace std;
class A{
bool allume;
public:
A(){allume = false;}
A(bool a){allume=a;}
~A(){}
void allumer(){allume = true;}
void afficher(){
if (allume == true) cout << "allumer" << endl;
else if (allume == false) cout << "Eteind" << endl;
}
};
class B{
public:
B(){}
~B(){}
void modifierA(A c){
c.allumer();
}
};
int main(){
A a;
a.afficher(); // AFFICHE ETEIND
B b;
b.modifierA(a);
a.afficher(); //AFFICHE ETEIND ET NON ALLUME
cout << endl;
} |