Question: When a derived class object is destroyed, in what order are the destructors executed? First the derived class destructor is executed, then the base class

When a derived class object is destroyed, in what order are the destructors executed?

First the derived class destructor is executed, then the base class destructor is executed.

First the base class destructor is executed, then the derived lass destructor is executed.

Only the base class destructor is executed.

Only the derived class destructor is executed.

In C++, what is a pure virtual method?

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