Find the total revenue for the school lunch program.

A high school lunch program serves lunch to students. When the student checks out, the lunch person enters the cost of the meal. You have been hired to write the method that calculates the total amount of money received for every lunch order for all the days of the school year.

The following classes are used in the software for the lunch program. Complete the implementation for the method get Totaloforders.

public class order

i

private double amount;

public order$($double cost$)$

i

amount $=$ cost;

b

public double getimount$()$

i return amount; $\}$

public void setamount$($double cost$)$

i amount $=$ cost; ;

public class Day

$\{$

private List$=1**>()$;

public void addorder$(Order$ order$)$

$\{$ ordersForTheDay.add$(order)$; $\}$

public List getordersForTheDay$()$

$\{$ return ordersForTheDay; $\}$

public void setDaysorders$(List$ daysorders$)$