adplus-dvertising
frame-decoration

Question

What is the output of this program? 
    #include <iostream>
    using namespace std;
    template <class T>
    class A
    {
        public:
        A(int a): x(a) {}
        protected:
        int x;
    };
    template <class T>
    class B: public A<char>
    {
        public:
        B(): A<char>::A(100) 
        {
            cout << x * 2 << endl;
        }
    };
    int main()
    {
        B<char> test;
        return 0;
    }

a.

100

b.

200

c.

error

d.

runtime error

Posted under Object Oriented Programming Using C++

Answer: (b).200

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. How many kinds of entities are directly parameterized in c++?

View solution

Q. How many kinds of parameters are there in C++?

View solution

Q. Which keyword is used to handle the expection?

View solution

Q. Which is used to throw a exception?

View solution

Q. What is the use of the ‘finally’ keyword?

View solution

Q. How do define the user-defined exceptions?

View solution

Q. Which exception is thrown by dynamic_cast?

View solution

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

View solution

Q. How many runtime error messages associated with exception?

View solution

Q. Which block should be placed after try block?

View solution

Q. Pick out the correct Answer:

View solution

Q. When exceptions are used?

View solution

Q. How many parameters does the throw expression can have?

View solution

Q. Where exception are handled?

View solution

Q. Which is used to check the error in the block?

View solution

Q. How to handle the exception in constructor?

View solution

Q. What should present when throwing a object?

View solution

Q. What can go wrong in resource management on c++?

View solution

Q. When we call that resource is leaked?

View solution

Q. What kind of error can arise when there is problem in memory?

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!

C Programming

Master one of the most widely used programming languages with our C Programming MCQs....

Digital Image Processing (DIP)

Delve into the techniques of enhancing digital images with our Digital Image...

HTML

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

Formal Languages and Automata Theory

Discover the mathematical models of computation with our Formal Languages and...

CSS

Polish your web design skills with our CSS MCQs. Learn about selectors, properties,...

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

Digital Communication

Master the basics of electronic communication with our Digital Communication MCQs....

Neural Networks

Dive into the world of Artificial Intelligence with our Neural Networks MCQs. Uncover...

MATLAB

Hone your computational mathematics skills with our MATLAB MCQs. Understand...