Orders.java

      import java.text.*;
import java.util.*;

public class Orders {
    private ArrayList customerList = new ArrayList();
	private Customer c;
	private double totalSales = 0.0;
	
    public Orders() {
    }
    public void addCustomer(Customer c){
    	customerList.add(c);
    }
    public void displayOrders(){
    	System.out.println("All Orders");
    	System.out.println("----------");
    	for(int i = 0; i < customerList.size(); i++){
    	
    		c = (Customer)customerList.get(i);
    		c.displayOrder();

    		}
    }
    private double calcTotalSales(){
    	for(int i = 0; i < customerList.size(); i++){
    	
    		c = (Customer)customerList.get(i);
    		totalSales += c.returnTotal();

    		}
    	return totalSales;
    
    }
    public void displayTotal()
    {
        NumberFormat money = NumberFormat.getCurrencyInstance();
    	System.out.println("Total Sales (including tax)");
    	System.out.println("----------");
		System.out.println(money.format(calcTotalSales()));    
    
    }
    

}