A destructor is a member function with the same name as its class prefixed by a ~ (tilde). For example: class X { public: // Constructor for class X X(); // Destructor for class X ~X(); }; A destructor takes no arguments and has no return type.
Read moreWhat is a virtual destructor?
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 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
Read moreWhat are the types of destructors?
Destructors cannot be declared const , volatile , const volatile or static . A destructor can be declared virtual or pure virtual . If no user-defined destructor exists for a class and one is needed, the compiler implicitly declares a destructor.
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.
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