What is constructor and destructor in c++?

Answer 1

Constructor:Destructor
Purpose:
Constructor is used to initialize the instance of a class.
Destructor destroys the objects when they are no longer needed.When Called

Constructor is Called when new instance of a class is created.
Destructor is called when instance of a class is deleted or released.

Memory Management:

Constructor allocates the memory.
Destructor releases the memory.

Arguments:

Constructors can have arguments.
Destructor can not have any arguments.

Overloading:
Overloading of constructor is possible.
Overloading of Destructor is not possible.

Name:
Constructor has the same name as class name.
Destructor also has the same name as class name but with (~) tiled operator.

Syntex:
ClassName(Arguments)
{
//Body of Constructor
}

Destractor syntex.
~ ClassName()
{
}

Answer 2

constructor is used to initialize the instance of a class.

Answer 3

Destructor destroys the objects when they are no longer needed.