Bot program to count the products bought in the supermarket, with total sum.

public class Checkout {
    int sum = 0;
    int item = 0;

    public void add(int itemPrice) {
        sum = sum + itemPrice;
        item++;
    }

    public int getTotal() {
        return sum;
    }

    public void printReceipt() {
        System.out.println("Total cost : " + sum);
        System.out.println("Number of items : " + item);
    }

    public static void main(String[] args) {
        Checkout checkout = new Checkout();
        checkout.add(1000);
        checkout.add(500);
        checkout.add(200);
        checkout.add(100);
        checkout.add(100);
        checkout.printReceipt();
    }
}