horstmann.ch02_mail

Class MailSystem

java.lang.Object

horstmann.ch02_mail.MailSystem

public class MailSystem
extends java.lang.Object

A system of voice mail boxes.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.ArrayList<Mailbox>	mailboxes

Constructor Summary

Constructors

Constructor and Description
MailSystem(int mailboxCount) Constructs a mail system with a given number of mailboxes

Method Summary

Modifier and Type	Method and Description
Mailbox	findMailbox(java.lang.String ext) Locate a mailbox.

Methods inherited from class java.lang.Object

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

Field Detail

mailboxes

private java.util.ArrayList<Mailbox> mailboxes

Constructor Detail

MailSystem

public MailSystem(int mailboxCount)

Constructs a mail system with a given number of mailboxes

Parameters:

mailboxCount - the number of mailboxes

Method Detail

findMailbox

public Mailbox findMailbox(java.lang.String ext)

Locate a mailbox.

Parameters:

ext - the extension number

Returns:

the mailbox or null if not found