C++ Program to concept of destructor

Program -

#include<iostream.h>

#include<conio.h>

class abc

{

private:

int rn;

float fee;

public:

abc()

{

rn=20;

fee=286;

}

void dispdata()

{

cout<<"\n rollno is"<<rn;

cout<<"\n fee is"<<fee;

}

~abc()

{

cout<<"destructor invoked";

}

};

void main()

{

clrscr();

class abc a;

a.dispdata();

getch();

}

Output - 

 Roll no is 20

 fee is 286