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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++.

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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 11 of 15

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Q101.
Which of the following can serve as random-access iterator?
Discuss
Answer: (b).Object pointer
Q102.
What kind of pattern is iterator pattern?
Discuss
Answer: (a).Design pattern
Q103.
What is the output of this program?
    #include <iostream>
    #include <set>
    using namespace std;
    int main()
    {
        set<int> tst;
        tst.insert(12);
        tst.insert(21);
        tst.insert(32);
        tst.insert(31);
        set<int> :: const_iterator pos;
        for(pos = tst.begin(); pos != tst.end(); ++pos)
        cout << *pos << ' ';
        return 0;
    }
Discuss
Answer: (b).12 21 31 32
Q104.
What is the output of this program?
    #include <iostream>
    #include <vector>
    #include<iterator>
    using namespace std;
    int main ()
    {
        vector<int> myvector;
        for (int i = 1; i <= 10; i++)
        myvector.push_back(i);
        myvector.erase (myvector.begin() + 6);
        myvector.erase (myvector.begin(), myvector.begin() + 4);
        for (unsigned i = 0; i < myvector.size(); ++i)
        cout << ' ' << myvector[i];
        return 0;
    }
Discuss
Answer: (b).5 6 8 9 10
Q105.
What is the output of this program?
    #include <iostream>
    #include <iterator>
    #include <list>
    using namespace std;
    int main () 
    {
        list<int> mylist;
        for (int i = 0; i < 10; i++) 
        mylist.push_back (i * 10);
        list<int> :: iterator it = mylist.begin();
        advance (it, 5);
        cout  << *it << endl;
        return 0;
    }
Discuss
Answer: (c).50
Q106.
What is the output of this program?
    #include <iostream>
    #include <iterator>
    #include <list>
    using namespace std;
    int main () 
    {
        list<int> firstlist, secondlist;
        for (int i = 1; i <= 2; i++)
        {  
            firstlist.push_back(i); 
            secondlist.push_back(i * 10); 
 }
        list<int> :: iterator it;
        it = firstlist.begin(); 
        advance (it, 3);
        copy (secondlist.begin(), secondlist.end(), inserter(firstlist, it));
        for ( it = firstlist.begin(); it != firstlist.end(); ++it )
            cout << *it << " ";
        return 0;
    }
Discuss
Answer: (a).10 20 1 2
Q107.
What is the output of this program?
    #include <iostream>
    #include <iterator>
    #include <list>
    using namespace std;
    int main () 
    {
        list<int> mylist;
        for (int i = 0; i < 5; i++) 
            mylist.push_back (i * 20);
        list<int> :: iterator first = mylist.begin();
        list<int> :: iterator last = mylist.end();
        cout << distance(first, last) << endl;
        return 0;
    }
Discuss
Answer: (c).5
Q108.
In which type of semantics does c++ implements iterator?
Discuss
Answer: (c).Pointer
Q109.
By using which operator does point to next element is represent in
Discuss
Answer: (a).++
Discuss
Answer: (b).Not allow you to overwrite the bounds of your container

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