import java.util.ArrayList;public class Checkout{private.docx

1. import java.util.ArrayList;
public class Checkout{
private ArrayList checkoutList;
Checkout(){
checkoutList= new ArrayList();
}
public int numberOfItems(){
return checkoutList.size();
}
public int totalCost(){
int sum=0;
for (Item i : checkoutList){
sum+=i.getCost();
}
return sum;
}
public int totalTax(){

2. return (int) java.lang.Math.
round
(GroceryStore.
TAX_RATE
*totalCost()/100.0);
}
public void clear(){
checkoutList.clear();
}
public void enterItem(Item i){
checkoutList.add(i);
}
public String toString(){
;
System.
out
.println("t"+GroceryStore.
STORE_NAME
);
System.
out
.println("nt-------------------");
for (Item i : checkoutList){

3. System.
out
.println(i.toString());
}
System.
out
.println("nTax "+GroceryStore.
cents2dollarsAndCents
(totalTax()));
System.
out
.println("nTotal Cost "+GroceryStore.
cents2dollarsAndCents
(totalCost()+totalTax()));
return "";
}
}
// Test Check out
public class TestCheckout {
public static void main(String[] args) {
Checkout checkout = new Checkout();
checkout.enterItem(new Rice("Basmati Rice", 2.25, 399));

4. checkout.enterItem(new Baguette("Wheat Baguette", 105));
checkout.enterItem(new FlavoredBaguette("White Baguette",
145, "Chocolate", 50));
checkout.enterItem(new Egg("Grade A Organic Eggs", 4,
399));
System.
out
.println("nNumber of items: " + checkout.numberOfItems() +
"n");
System.
out
.println("nTotal cost: " + checkout.totalCost() + "n");
System.
out
.println("nTotal tax: " + checkout.totalTax() + "n");
System.
out
.println("nCost + Tax: " + (checkout.totalCost() +
checkout.totalTax()) + "n");
System.
out
.println(checkout);
checkout.clear();
checkout.enterItem(new Baguette("Organic Baguette", 145));
checkout.enterItem(new FlavoredBaguette("Wheat Baguette",

5. 105, "Caramel", 50));
checkout.enterItem(new Rice("Indian Brown Rice", 1.33, 89));
checkout.enterItem(new Egg("Grade B Egg", 4, 399));
checkout.enterItem(new Rice("Arabic White Rice", 1.5, 209));
checkout.enterItem(new Rice("Spanish Yellow Rice", 3.0,
109));
System.
out
.println("nNumber of items: " + checkout.numberOfItems() +
"n");
System.
out
.println("nTotal cost: " + checkout.totalCost() + "n");
System.
out
.println("nTotal tax: " + checkout.totalTax() + "n");
System.
out
.println("nCost + Tax: " + (checkout.totalCost() +
checkout.totalTax()) + "n");
System.
out
.println(checkout);
}
//Baguette

6. public class Baguette extends Item {
private double cost;
public Baguette(String name, double cost) {
super(name);
this.cost = cost;
}
@Override
public int getCost()
{
return (int)Math.
ceil
(cost);
}
@Override
public String toString() {
return name+" @" + GroceryStore.
cents2dollarsAndCents
(getCost());
}
}

7. public class Rice extends Item {
double weight;
double price;
public Rice(String name, double weight, double price) {
super(name);
this.weight = weight;
this.price = price;
}
@Override
public int getCost() {
return (int) Math.
ceil
(weight * price);
}
@Override
public String toString() {
return "rice" + weight + "lbs @" + GroceryStore.
cents2dollarsAndCents

8. (getCost());
}
}