Class ShoppingCart

java.lang.Object
  ShoppingCart

public class ShoppingCart

extends Object

A ShoppingCart keeps track of a customer's purchases.

Version:

4

See Also:

EStore

Constructor Summary

ShoppingCart()
Construct a new empty ShoppingCart.

Method Summary

void	addItem(Item item) Add an Item to this ShoppingCart.
int	getCost() What happens when this ShoppingCart is asked the total cost of the Items it contains.
int	getCount() What happens when this ShoppingCart is asked how many Items it contains.
void	returnItem(Item item) Return an Item from this ShoppingCart.
void	showContents(Terminal t) Write the contents of this ShoppingCart to a Terminal.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ShoppingCart

public ShoppingCart()

Construct a new empty ShoppingCart.

Method Detail

addItem

public void addItem(Item item)

Add an Item to this ShoppingCart.

Parameters:

item - the Item to add.

getCost

public int getCost()

What happens when this ShoppingCart is asked the total cost of the Items it contains.

Returns:

the total cost of the items in this ShoppingCart.

getCount

public int getCount()

What happens when this ShoppingCart is asked how many Items it contains.

Returns:

the number of items in this ShoppingCart.

returnItem

public void returnItem(Item item)

Return an Item from this ShoppingCart.

Parameters:

item - the Item to return.

showContents

public void showContents(Terminal t)

Write the contents of this ShoppingCart to a Terminal.

Parameters:

t - the Terminal to use for output.