Tag Archives: Virtual Functions

Predict the output of following C++ program filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std;    class Base { public:     virtual void… Read More »

filter_none edit close play_arrow link brightness_4 code #include <iostream> using namespace std;     class A { public:     virtual void fun() { cout << “A::fun() “;… Read More »

Predict the output of following C++ program. Assume that there is no alignment and a typical implementation of virtual functions is done by the compiler.… Read More »

Can static functions be virtual? Will the following program compile? filter_none edit close play_arrow link brightness_4 code #include<iostream>  using namespace std;       class Test {… Read More »

filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; class Base  { public:     Base()    { cout<<“Constructor: Base”<<endl; }     virtual ~Base()   { cout<<“Destructor :… Read More »

Can a destructor be virtual? Will the following program compile? filter_none edit close play_arrow link brightness_4 code #include <iostream> using namespace std; class Base {… Read More »

Can a constructor be virtual? Will the following program compile? filter_none edit close play_arrow link brightness_4 code #include <iostream> using namespace std; class Base {… Read More »

filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std;    class Base { public:     virtual void show() = 0; };    class Derived:… Read More »

Predict the output of following program. filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; class Base { public:     virtual void show() =… Read More »

filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std;    class Base { public:     virtual void show() = 0; };    int main(void)… Read More »

Which of the following is true about pure virtual functions? 1) Their implementation is not provided in a class where they are declared. 2) If… Read More »

Output of following program filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std;    class Base { public:     virtual void show() { cout<<“… Read More »

Predict output of the following program filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std;    class Base { public:     virtual void show()… Read More »

Which of the following is true about virtual functions in C++. (A) Virtual functions are functions that can be overridden in derived class with the… Read More »