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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 1 of 24

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Q1.
Where is the derived class is derived from?
Discuss
Answer: (b).base
Discuss
Answer: (b).A derived class’s destructor cannot invoke its base class’s destructor
Q3.
Which of the following can derived class inherit?
Discuss
Answer: (c).both members & functions
Q4.
What is the output of this program?
    #include <iostream>
    using namespace std;
    class A
    {
        public:
        A(int n )
        {
            cout << n;
        }
    };
    class B: public A
    {
        public:
        B(int n, double d)
        : A(n)
        {
            cout << d;
        }    
    };
    class C: public B
    {
        public:
        C(int n, double d, char ch)
        : B(n, d)
        {
            cout <<ch;
        }
    };
    int main()
    {
        C c(5, 4.3, 'R');
        return 0;
    }
Discuss
Answer: (a).54.3R
Q5.
What is the output of this program?
    #include <iostream>
    using namespace std;
    class BaseClass 
    {
        protected:
        int i;
        public:
        BaseClass(int x) 
        {
            i = x;
        }
        ~BaseClass() 
        {
        }
    };
    class DerivedClass: public BaseClass 
    {
        int j;
        public:
        DerivedClass(int x, int y): BaseClass(y)
        {
            j = x;
        }
        ~DerivedClass() 
        {
        }
        void show() 
        {
            cout << i << " " << j << endl;
        }
    };
    int main()
    {
        DerivedClass ob(3, 4);
        ob.show();
        return 0;
    }
Discuss
Answer: (b).4 3
Q6.
What is the output of this program?
    #include<iostream>
    using namespace std;
    class X 
    {
        int m;
        public:
        X() : m(10)
        {                                                       
        }
        X(int mm): m(mm)
        {
        }
        int getm()
        {
            return m;
        }
    };
    class Y : public X 
    {
        int n;
        public:
        Y(int nn) : n(nn) {}                                                
        int getn() { return n; }
    };
    int main()
    {
        Y yobj( 100 );
        cout << yobj.getm() << " " << yobj.getn() << endl;
    }
Discuss
Answer: (a).10 100
Q7.
Which operator is used to declare the destructor?

a.

#

b.

~

c.

@

d.

$

Discuss
Answer: (b).~
Q8.
Which constructor will initialize the base class data member?
Discuss
Answer: (b).base class
Q9.
Which class is used to design the base class?
Discuss
Answer: (a).abstract class
Q10.
Which is used to create a pure virtual function ?

a.

$

b.

=0

c.

&

d.

!

Discuss
Answer: (b). =0

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