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Welcome to the Classes and Operator Overloading in C++ MCQs Page

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

Classes and Operator Overloading in C++ MCQs | Page 16 of 39

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Q151.
What is the output of this program?
    #include <iostream>
    #include <string>
    using namespace std;
    int main ()
    {
        string str ("steve jobs is legend");
        string::iterator it;
        str.erase (str.begin()+ 5, str.end()-7);
        cout << str << endl;      
        return 0;
    }
Discuss
Answer: (b).steve legend
Q152.
What is the output of this program?
    #include <iostream>
    #include <string>
    using namespace std;
    int main ()
    {
        string str ("Microsoft");
        for (size_t i = 0; i < str.length();)
        {
            cout << str.at(i-1);
        }
        return 0;
    }
Discuss
Answer: (d).runtime error
Q153.
What is the output of this program?
    #include <iostream>
   #include <string>
   using namespace std;
   int main ()
   {
       string str ("Ubuntu");
       cout << str.capacity();
       cout << str.max_size();
       return 0;
   }
Discuss
Answer: (c).6 and max size depends on compiler
Q154.
Which method do we use to append more than one character at a time?
Discuss
Answer: (d).both append & operator+=
Q155.
If you design a class that needs special initialization tasks, you will want to design a(n) _____
Discuss
Answer: (c).constructor
Q156.
If container classes are carefully constructed, then these tools are available to work with structures that are not ______
Discuss
Answer: (c).type-specific
Q157.
When a child class function is called, the compiler looks first for a matching function name in the _____
Discuss
Answer: (a).class of the object using the function name
Q158.
A base class may also be called a
Discuss
Answer: (d).parent class
Discuss
Answer: (b).temporal cohesion
Discuss
Answer: (c).to member functions of that class

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