Constructor vs Destructor in C++ - Difference Between Constructor and Destructor



Constructor vs Destructor in C++

Constructor Destructor
Constructor helps to initialize the object of a class.Destructor is used to destroy the instances.
It is declared as className( arguments if any ){Constructor’s Body }. it is declared as ~ className( no arguments ){ }.
Constructor can either accept arguments or not. It can’t have any arguments.
A constructor is called when an instance or object of a class is created. It is called while object of the class is freed or deleted.
Constructor is used to allocate the memory to an instance or object.It is used to deallocate the memory of an object of a class.
Constructor can be overloaded.It can’t be overloaded.
The constructor’s name is same as the class name.Here, its name is also same as the class name preceded by the tiled (~) operator.
In a class, there can be multiple constructors.In a class, there is always a single destructor.
There is a concept of copy constructor which is used to
initialize an object from another object.
There is no copy destructor concept.
They are often called in successive order.They are often called in reverse order of constructor.

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