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Does C++ have virtual destructor?

Why do we need pure virtual destructor in C++?

1 April 2022 Enpatika.com Genel

It is must to provide a function body for pure virtual destructor as derived class’s destructor is called first before the base class destructor, so if we do not provide a function body, it will find out nothing to be called during object destruction and error will occur.

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How virtual destructor works internally C++?

1 April 2022 Enpatika.com Genel

In simple terms, a virtual destructor ensures that when derived subclasses go out of scope or are deleted the order of destruction of each class in a hierarchy is carried out correctly . If the destruction order of the class objects is incorrect, in can lead to what is known as a memory leak.

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What is virtual destructor in C++?

1 April 2022 Enpatika.com Genel

A virtual destructor is used to free up the memory space allocated by the derived class object or instance while deleting instances of the derived class using a base class pointer object .

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Does C++ have virtual destructor?

1 April 2022 Enpatika.com Genel

Virtual destructors in C++ are used to avoid memory leaks especially when your class contains unmanaged code , i.e., contains pointers or object handles to files, databases or other external objects. A destructor can be virtual.29 Eki 2016

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