main

public class Main {

    public static void main(String[] args) {

        Ticket[] tickets = {new Ticket("Mozart", 250.00), new Ticket("Mozart", 250.00), new DiscountTicket("Mozart", 250.00, "John Smith"), new GroupTicket("Mozart", 250.00, 20)};

        getInfo(tickets);

    }

    public static void getInfo(Ticket[] tickets) {
        int people = 0;
        double sum = 0;

        for(int i=0;i<tickets.length;i++) {
            people = people + tickets[i].getPeople();
            sum += tickets[i].getPrice();
        }

        System.out.println("Number of people from these tickets: "+people);
        System.out.println("The total sum of these tickets: "+sum);
    }

}