horstmann.ch05_invoice

Class Bundle

java.lang.Object

horstmann.ch05_invoice.Bundle

All Implemented Interfaces:

LineItem

public class Bundle
extends java.lang.Object
implements LineItem

A bundle of line items that is again a line item.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.ArrayList<LineItem>	items

Constructor Summary

Constructors

Constructor and Description
Bundle() Constructs a bundle with no items.

Method Summary

Modifier and Type	Method and Description
void	add(LineItem item) Adds an item to the bundle.
double	getPrice() Gets the price of this line item.
java.lang.String	toString() Gets the description of this line item.

Methods inherited from class java.lang.Object

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

Field Detail

items

private java.util.ArrayList<LineItem> items

Constructor Detail

Bundle

public Bundle()

Constructs a bundle with no items.

Method Detail

add

public void add(LineItem item)

Adds an item to the bundle.

Parameters:

item - the item to add

getPrice

public double getPrice()

Description copied from interface: LineItem

Gets the price of this line item.

Specified by:

getPrice in interface LineItem

Returns:

the price

toString

public java.lang.String toString()

Description copied from interface: LineItem

Gets the description of this line item.

Specified by:

toString in interface LineItem

Overrides:

toString in class java.lang.Object

Returns:

the description