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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 10 of 39

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Q91.
What is the output of this program?
    #include <iostream>
    using namespace std;
    class sample
    {
        public:
        sample() 
        {  
            cout << "X::X()" << endl; 
        }
        sample( sample const & ) 
        {  
            cout << "X::X( X const & )" << endl;
        }
        sample& operator=( sample const & )
        { 
            cout << "X::operator=(X const &)" << endl;
        }
    };
    sample f() 
    {
        sample tmp;
        return tmp;
    }
    int main() 
    {
        sample x = f();
        return 0;
    }
Discuss
Answer: (c).X::X()
Discuss
Answer: (d).All of the mentioned
Discuss
Answer: (d).use smart pointers & virtual destructor
Discuss
Answer: (d).Size of the heap memory is limited by the size of the RAM and the swap memory
Q95.
How to unlimit the size of the stack?
Discuss
Answer: (a).setrlimit()
Q96.
In linux, how does the heaps and stacks are managed?
Discuss
Answer: (c).virtual memory
Q97.
Which is used to pass the large objects in c++?
Discuss
Answer: (b).pass by reference
Q98.
What are the essential operators in c++?
Discuss
Answer: (d).All of the mentioned
Q99.
In which direction does the assignment operation will take place?
Discuss
Answer: (b).right to left
Q100.
Pick out the compound assignment statement.
Discuss
Answer: (c).a -= 5

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