Class Cascade

java.lang.Object

CardStack

Cascade

public class Cascade
extends CardStack

A Cascade is a specialized card stack where a card may be added if if either (1) the stack is empty, or (2) the top card is the next higher rank with differing color.

Field Summary

Fields inherited from class CardStack

stack

Constructor Summary

Constructors

Constructor and Description
Cascade()

Method Summary

Modifier and Type	Method and Description
boolean	playTo(Card card) Given a card to be played to the top of this card stack, either make the legal play and return true, or throw an appropriate Exception.

Methods inherited from class CardStack

addCard, canPlayFrom, getTopCard, isEmpty, playTo, removeTopCard, size, toArray, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Cascade

public Cascade()

Method Detail

playTo

public boolean playTo(Card card)
               throws java.lang.NullPointerException,
                      IllegalPlayException

Given a card to be played to the top of this card stack, either make the legal play and return true, or throw an appropriate Exception. For a Cascade, the play is legal if either (1) the stack is empty, or (2) the top card is the next higher rank with differing color.

Overrides:

playTo in class CardStack

Parameters:

card - card to be played onto this card stack

Returns:

true if the card was played onto this card stack

Throws:

java.lang.NullPointerException - thrown if given Card parameter is null

IllegalPlayException - thrown if "Plays to a cascade must alternate in suit color." or "Plays to a cascade must have the next decreasing rank." in that order.