#include <iostream>
using namespace std;
class book{
int price,year;
public :
static int count; //decleration
void input( int ,int ) ;
void output( ) ;
static void showCount( ) {
cout << "Count value= " << count<< endl;
}
} ;
int book:: count = 0 ; //definition
void book:: input ( int x,int y) {
price= x;
year= y;
count++ ;
}
void book:: output ( ) {
cout << "Price of the book= " << price<< endl;
cout << "Year of Publishing the book= " << year<< endl;
}
int main( ) {
book b1,b2;
book:: showCount ( ) ; //0
b1.input ( 100 ,321 ) ;
b1.output ( ) ;
book:: showCount ( ) ; //1
b2.input ( 325 ,122 ) ;
b2.output ( ) ;
book:: showCount ( ) ;
}
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