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What is virtual destructor? Why?
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Answer Posted / sagarika patra
When a destructor is declared as virtual in the base class
is known as virtul destructor.
Whenever any object of derived class of base type is freed
(using delete operator),the destructor of the derived class
is called and the memory allocated by derived class
variables are freed ,leaving the memory allocated by the
base class variables as unfreed.
Hence by declaring the base class destructor as
virtual,both the destructor will called in order.
| Is This Answer Correct ? | 9 Yes | 0 No |
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