Constructor is a member function of class that is used to
create objects of that class.

we can also intialise instance variables.

Constructor is a special type of function which is 
available for every class.

Constructors can be used to create a object in different 
forms.

Constructors can be used to execute a statements when 
object is creating.

Constructors can be used to intialized the object 
properties.

constructor  is a function, which would be executed only at 
the time of creating an object.
constructor would be executed only once on the object.

constructor is a member function with same name of the class
if we call constructor it will automatically invoke the object
of that class.when we calling the normal member function we
usually creating object of that class then calling it using
the .operator