Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++'

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Master C++ with our comprehensive quiz based on 'Thinking in C++'. Test your knowledge through flashcards and multiple-choice questions to enhance your understanding of C++. Prepare effectively for your exam!

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What does a destructor in C++ do?

  1. Returns memory allocated during object creation

  2. Initializes object attributes

  3. Cleans up resources when an object goes out of scope

  4. Creates a copy of an object

The correct answer is: Cleans up resources when an object goes out of scope

A destructor in C++ is a special member function that is automatically called when an object goes out of scope or is deleted. Its main purpose is to clean up or release any resources that the object may have acquired during its lifetime such as allocated memory, open files or network connections. This means that options A, B, and D are incorrect as they do not address the main purpose of a destructor.

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