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Welcome to the Class Hierarchies,Library and Containers MCQs Page

Dive deep into the fascinating world of Class Hierarchies,Library and Containers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Class Hierarchies,Library and Containers, 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 Class Hierarchies,Library and Containers, 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 Class Hierarchies,Library and Containers. 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 Class Hierarchies,Library and Containers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Class Hierarchies,Library and Containers MCQs | Page 7 of 15

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Q61.
How can object be allocated outside the object lifetime?
Discuss
Answer: (c).void*
Q62.
Pick out the wrong header file about strings.
Discuss
Answer: (c).<ios>
Discuss
Answer: (d).all of the mentioned
Discuss
Answer: (a).It is a sequence container that encapsulates dynamic size arrays
Q65.
What is the output of this program?
    #include <iostream>
    #include <vector>
    using namespace std;
    int main()
    {
        vector<int> v;
        v.assign( 10, 42 );
        for (int i = 0; i < v.size(); i++) 
        {
            cout << v[i] << " ";
        }
    }
Discuss
Answer: (d).42 for 10 times
Q66.
What is the output of this program?
    #include <iostream>
    #include <list>
    #include <queue>
    using namespace std;
    int main()
    {
        queue<char> q;
        q.push('a');
        q.push('b');
        q.push('c');
        cout << q.front();
        q.pop();
        cout << q.front();
        q.pop();
        cout << q.front();
        q.pop();
    }
Discuss
Answer: (b).abc
Q67.
What is the output of this program?
    #include <list>
    #include <string>
    #include <iostream>
    using namespace std ;
    typedef list<string> LISTSTR; 
    int main()
    {
        LISTSTR :: iterator i;
        LISTSTR test;
        test.insert(test.end(), "one");
        test.insert(test.end(), "two");
        LISTSTR test2(test);
        LISTSTR test3(3, "three");
        LISTSTR test4(++test3.begin(),
        test3.end());
        cout << "test:";
        for (i =  test.begin(); i != test.end(); ++i)
            cout << " " << *i << endl;
        cout << "test:";
        for (i =  test2.begin(); i != test2.end(); ++i)
            cout << " " << *i << endl;
        cout << "test:";
        for (i =  test3.begin(); i != test3.end(); ++i)
            cout << " " << *i << endl;
        cout << "test:";
        for (i =  test4.begin(); i != test4.end(); ++i)
            cout << " " << *i << endl;
    }
Discuss
Answer: (d).none of the mentioned
Q68.
Pick out the wrong header file.
Discuss
Answer: (d).<process>
Discuss
Answer: (a).It is the collection of class definitions for standard data structures and a collection of algorithms
Q70.
Pick out parameter for rehash method in unordered_set in c++?
Discuss
Answer: (a).count

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