Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++' 2025 - Free C++ Practice Questions and Study Guide

Question: 1 / 565

What does a destructor do in C++?

Destroys the class definition

Frees memory allocated during the program execution

Ensures cleanup is performed when an object is no longer in use

A This option is incorrect because a destructor does not destroy the class definition, it frees up any resources or memory associated with an object of that class.

B: This option is incorrect because a destructor does not necessarily free up any memory during program execution, it is only responsible for tidying up any resources allocated for the object.

D: This option is incorrect because a destructor does not reset class members to zero, it only handles the cleanup and deallocation of resources for the object.

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Resets all class member to zero

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