C++ Program to define a Class BOOK and accessing member function using its object.

 

#include<iostream.h>
#include<stdio.h>
#include<conio.h>
class BOOK
{
	int BOOKNO;
	char BOOKTITLE[20];
	float PRICE;
	void TOTAL_COST(int N)
	{
		float tcost;
		tcost=PRICE*N;
		cout<<tcost;
	}
public:
	void INPUT()
	{
		cout<<"Enter Book Number ";
		cin>>BOOKNO;
		cout<<"Enter Book Title ";
		gets(BOOKTITLE);
		cout<<"Enter price per copy ";
		cin>>PRICE;
	}
 
	void PURCHASE()
	{
		int n;
		cout<<"Enter number of copies to purchase ";
		cin>>n;
		cout<<"Total cost is ";
		TOTAL_COST(n);
	}
};
 
void main()
{
	BOOK obj;
	obj.INPUT();
	obj.PURCHASE();
	getch();
}