Dyskusje Q&A
2 classes base class - A & derived - B .How to access private member(n) which is declared in A to B as A::n
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Is there any way of detecting if there is an perticular inherited class within an array of a class which said perticular class is derived from ?
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why do we need to declare the function as virtual? is there any limit on number of derived members that can call the function if it's not virtual?
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protected access specifier allows access to the super class(i.e., the class which is declared as protected) and provides access only to the first level of inheritance(i.e., the base class which is first derived from the protected super class).
isn't it?..
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#include <iostream>
using namespace std;
class A{
public:
void f1();
};
class B : public A{
public:
virtual void f1();
}
int main()
{
A * obj = new B;
obj.f1();
}
Ques: can we write virtual before an overridden function from the base class?? if yes which f1() should it call base class f1() or derived class f1()???
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