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Welcome to the Derived Classes,Templates and Exception Handling in C++ MCQs Page

Dive deep into the fascinating world of Derived Classes,Templates and Exception Handling in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Derived Classes,Templates and Exception Handling in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Derived Classes,Templates and Exception Handling in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.

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Check out the MCQs below to embark on an enriching journey through Derived Classes,Templates and Exception Handling in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Derived Classes,Templates and Exception Handling in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Derived Classes,Templates and Exception Handling in C++ MCQs | Page 10 of 24

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Q91.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int main () 
    {
        try
        {
            throw 20;
        }
        catch (int e)
        {
            cout << "An exception occurred " << e << endl;
        }
        return 0;
    }
Discuss
Answer: (d).An exception occurred 20
Q92.
What is the output of this program?
    #include <iostream>
    #include <exception>
    using namespace std;
    class myexception: public exception
    {
        virtual const char* what() const throw()
        {
            return "My exception";
        }
    } myex;
    int main () 
    {
        try
        {
            throw myex;
        }
        catch (exception& e)
        {
            cout << e.what() << endl;
        }
        return 0;
    }
Discuss
Answer: (c).My exception
Q93.
What is the output of this program?
    #include <iostream>
    #include <exception>
    using namespace std;
    int main () 
    {
        try
        {
            int* myarray = new int[1000];
            cout << "allocated";
        }
        catch (exception& e)
        {
            cout << "Standard exception: " << e.what() << endl;
        }
        return 0;
    }
Discuss
Answer: (c).Depends on the memory
Q94.
What is the output of this program?
    #include <iostream>
    #include <exception>
    using namespace std;
    struct MyException : public exception
    {
        const char * what () const throw ()
        {
            return "C++ Exception";
        }
    };
    int main()
    {
        try
        {
            throw MyException();
        }
        catch(MyException& e)
        {
            cout << "Exception caught" << std::endl;
            cout << e.what() << std::endl;
        }
        catch(std::exception& e)
        {
        }    
    }
Discuss
Answer: (c).Exception caught
Discuss
Answer: (a).inheriting and overriding exception class functionality
Q96.
Which exception is thrown by dynamic_cast?
Discuss
Answer: (a).bad_cast
Q97.
How many types of exception handling are there in c++?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q98.
How many runtime error messages associated with exception?
Discuss
Answer: (b).4
Q99.
Which block should be placed after try block?
Discuss
Answer: (a).catch
Q100.
What is the output of this program?
    #include <iostream>
    using namespace std;
    int main()
    {
        double a = 10, b = 5, res;
        char Operator = '/';
        try 
        {
            if (b == 0)
                throw "Division by zero not allowed";
            res = a / b;
            cout << a << " / " << b << " = " << res;
        }
        catch(const char* Str)
        {
            cout << "\n Bad Operator: " << Str;
        }
        return 0;
    }
Discuss
Answer: (d).10 / 5 = 2

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