adplus-dvertising

Welcome to the Objects and Iterators in C++ MCQs Page

Dive deep into the fascinating world of Objects and Iterators in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Iterators 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 Objects and Iterators 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++.

frame-decoration

Check out the MCQs below to embark on an enriching journey through Objects and Iterators 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 Objects and Iterators in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Iterators in C++ MCQs | Page 1 of 15

Explore more Topics under Object Oriented Programming Using C++

Q1.
The use of the break statement in a switch statement is
Discuss
Answer: (a).optional
Q2.
What is the header file used for declaring the standard library algorithms?
Discuss
Answer: (b).algorithm
Q3.
Pick out the correct method in the c++ standard library algorithm.
Discuss
Answer: (a).mismatch
Q4.
What is the use of make_heap in the heap operation?
Discuss
Answer: (c).Form a heap
Q5.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main ()
    {
        int first[] = {5, 10, 15, 20, 25};
        int second[] = {50, 40, 30, 20, 10};
        vector<int> v(10);      
        vector<int> :: iterator it;
        sort (first, first + 5);   
        sort (second, second + 5); 
        it = set_union (first, first + 5, second, second + 5, v.begin());
        cout << int(it - v.begin());
        return 0;
    }

a.

6

b.

7

c.

8

d.

9

Discuss
Answer: (c).8
Q6.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main () 
    {
        vector<int> myvector (4);
        fill (myvector.begin(), myvector.begin() + 2, 3);
        fill (myvector.begin() + 1, myvector.end() - 1, 4);
        for (vector<int> :: iterator it = myvector.begin(); it != myvector.end(); ++it)
            cout << ' ' << *it;
        return 0;
    }
Discuss
Answer: (d).3 4 4 0
Q7.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main () 
    {
        vector<int> myvector;
        for (int i = 1; i < 6; ++i) 
            myvector.push_back(i);
        reverse(myvector.begin(), myvector.end());
        for (vector<int> :: iterator it = myvector.begin(); it != myvector.end(); ++it)
            cout << ' ' << *it;
        return 0;
    }
Discuss
Answer: (b).5 4 3 2 1
Q8.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main () 
    {
        int myints[] = {10, 20, 30, 30, 20, 10, 10, 20};
        int mycount = count (myints, myints + 8, 10);
        cout << "10 appears " << mycount << " times.\n";
        vector<int> myvector (myints, myints+8);
        mycount = count (myvector.begin(), myvector.end(), 20);
        cout << "20 appears " << mycount  << " times.\n";
        return 0;
    }
Discuss
Answer: (a).3 3
Q9.
What is the output of this program?
    #include <iostream> 
    #include <algorithm>
    using namespace std;
    int main () 
    {
        int myints[] = {10, 20, 30, 30, 20, 10, 10, 20};  
        int* pbegin = myints;                      
        int* pend = myints + sizeof(myints) / sizeof(int);
        pend = remove (pbegin, pend, 20);      
        for (int* p = pbegin; p != pend; ++p)
            cout << ' ' << *p;
        return 0;
    }
Discuss
Answer: (b).10, 30, 30, 10, 10
Q10.
What is the type of the first item in the heap?
Discuss
Answer: (a).Bigger than others

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!