candy
Class GumballMachine

java.lang.Object
  candy.GumballMachine

All Implemented Interfaces:

CandyMachine

public class GumballMachine

extends java.lang.Object

implements CandyMachine

A machine that dispenses gumballs.

Version:

1.0 of August 2004

Author:

Samuel A. Rebelsky

Constructor Summary

GumballMachine()
Build a new Gumball machine with the default number of balls.

Method Summary

java.lang.String	get() Get a piece of candy.
boolean	isEmpty() Determine if the jar is empty.

Methods inherited from class java.lang.Object

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

Constructor Detail

GumballMachine

public GumballMachine()

Build a new Gumball machine with the default number of balls.

Method Detail

get

public java.lang.String get()
                     throws CandyMachineException

Get a piece of candy.

Specified by:

get in interface CandyMachine

Throws:

CandyMachineException - If unable to return a piece of candy (e.g., if empty).

isEmpty

public boolean isEmpty()

Determine if the jar is empty.

Specified by:

isEmpty in interface CandyMachine