LabTask3.a.3

#include<iostream.h>

#include<conio.h>

class count

{

private:

 

static int sum;

public:

void getdata()

{

 

sum++;

}

void display()

{

cout<<endl<<"sum="<<sum;

 

 

}

static void show_sum()

{

cout<<endl<<"sum="<<sum;

 

}

 

};

int count :: sum;

int main()

{

count A,B,C;

cout<<endl<<"initial value of static data:";

A.display();

B.display();

C.display();

A.getdata();

B.getdata();

C.getdata();

 

cout<<endl<<"final value of static data:";

A.display();

B.display();

C.display();

cout<<endl<<"static function:"<<endl;

A.show_sum();

B.show_sum();

C.show_sum();

getch();

}