Question

What is the output of this program?

    #include <iostream>
    using namespace std;
    class Base
    {
        public:
        virtual void print() const = 0;
    };
    class DerivedOne : virtual public Base
    {
        public:
        void print() const
        {
            cout << "1";
        }
    };
    class DerivedTwo : virtual public Base
    {
        public:
        void print() const
        {
            cout << "2";
        }
    };
    class Multiple : public DerivedOne, DerivedTwo
    {
        public:
        void print() const
        {
            DerivedTwo::print();
        }
    };
    int main()
    {
        Multiple both;
        DerivedOne one;
        DerivedTwo two;
        Base *array[ 3 ];
        array[ 0 ] = &both;
        array[ 1 ] = &one;
        array[ 2 ] = &two;
        for ( int i = 0; i < 3; i++ )
        array[ i ] -> print();
        return 0;
    }

a.

121

b.

212

c.

12

d.

none of the mentioned

Posted under Object Oriented Programming Using C++

Answer: (b).212

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is the output of this program?

Add Comment

Similar Questions

Discover Related MCQs

Q. What is meant by pure virtual function?

View solution

Q. Pick the correct option.

View solution

Q. Where does the abstract class is used?

View solution

Q. Which interface determines how your class will be used by other program?

View solution

Q. Pick out the correct statement about override.

View solution

Q. How many ways of reusing are there in class hierarchy?

View solution

Q. How many types of class are there in c++?

View solution

Q. Pick out the correct statement about multiple inheritance.

View solution

Q. What does inheriatance allows you to do?

View solution

Q. What is the syntax of inheritance of class?

View solution

Q. How many kinds of classes are there in c++?

View solution

Q. What is meant by polymorphism?

View solution

Q. How many types of inheritance are there in c++?

View solution

Q. What is meant by containership?

View solution

Q. How many types of constructor are there in C++?

View solution

Q. How many constructors can present in a class?

View solution

Q. What should be the name of constructor?

View solution

Q. What does derived class does not inherit from the base class?

View solution

Q. What is a template?

View solution

Q. Pick out the correct statement about string template.

View solution

View All MCQs on Object Oriented Programming Using C++

Suggested Topics

Are you eager to expand your knowledge beyond Object Oriented Programming Using C++? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Digital Logic Design

Understand the foundation of digital computers with our Digital Logic Design MCQs....

IT Fundamentals

Navigate the basics of information technology with our IT Fundamentals MCQs. Get a...

Human Computer Interaction

Enhance your knowledge of Human-Computer Interaction with our specialized MCQs....

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...

C# programming

Hone your skills in the C# language with our MCQs. Understand data types, operators,...

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...

HTML

Start your journey in web development with our HTML MCQs. Learn the building blocks...

Software Engineering

Learn about the systematic approach to developing software with our Software...

MongoDB

Learn the leading NoSQL database with our MongoDB MCQs. Understand everything from...