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 .
Read moreWhen a destructor is called in C++ Mcq?
2. When a destructor is called? Explanation: The destructor is called just before the object go out of scope or just before its life ends . This is done to ensure that all the resources reserved for the object are used and at last, are made free for others.
Read moreAre destructors always called?
yes, when you delete something, the destructor is called . 2. When the destructor of the linked list is called, it’s objects’ destructor is called.10 Nis 2012
Read moreHow many types of destructor are there?
There has to be only one Destructor in a class . A Destructor has no return type and no parameters. If we do specify a destructor in class then, the compiler creates a default destructor.
Read moreWhat is the meaning of destructor?
Definition of destructor 1 : a furnace or oven for the burning of refuse : incinerator. 2a : a device for destroying a missile or a part thereof at a desired time in its flight.
Read moreIs there a trivial destructor?
A destructor of a class A is trivial if all the following are true: It is implicitly defined. All the direct base classes of A have trivial destructors . The classes of all the nonstatic data members of A have trivial destructors.
Read moreWhat is a non trivial destructor?
A class has a non-trivial destructor if it either has an explicitly defined destructor, or if it has a member object or a base class that has a non-trivial destructor .19 Kas 2011
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