Q Run time type identification comes at a cost of performance penalty.
Q. Which of the following statement is not correct about function overiding?
Q. What will be the output of following code?
#include <iostream>
using namespace std;
class Base
{
public:
void show()
{
cout << "Base";
}
};
class Derived:public Base
{
public:
void show()
{
cout << "Derived";
}
};
int main()
{
Base* b;
Derived d;
b = &d;
b->show();
return 0;
}
Q. Virtual Keyword is used to make a member function of the _________ class Virtual?
Q. Choose the correct statement?
Q. Which of the following is a correct way to declare Pure Virtual function?
Q What will be the output of following code?
#include <iostream>
using namespace std;
class Base
{
public:
~Base() {cout << "Base Destructor"; }
};
class Derived:public Base
{
public:
~Derived() { cout<< "Derived Destructor"; }
};
int main()
{
Base* b = new Derived;
delete b;
return 0;
}
Q. Pure Virtual Destructors also exist in C++?
Q. The address of the virtual Function is placed in the _________ .
Q. Constructors can also be Virtual. True or False?
