#destructor: ~ - destructor is also special member function of that class, its executed whenever an object of its class goes out of scope or whenever delete is applied to a pointer to the object of that class.
destructor name same name class name.
it prefixed with tilde ( ~ )
destructor does not return any value.
destructor do not take any parameter
take care using destrutcor, becoz it relaase memory references resources.
closing file, releasing memory etc....
~classname(){
//body of destructor
};