bank

Class BankCard

java.lang.Object

bank.BankCard

public class BankCard
extends java.lang.Object

Class for representing bank cards. The class provides attributes for the PIN of the card (abstracting from any kind of more advanced PIN storage concept) and the account number. Cards can be invalidated by ATMs (used when cards are confiscated), which is simulated using a boolean attribute.

Constructor Summary

Constructors

Constructor and Description
BankCard(int accountNumber, int correctPIN)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	cardIsInvalid()
int	getAccountNumber()
void	makeCardInvalid() Invalidate a card
boolean	pinIsCorrect(int pin) Determine whether a given PIN is correct for this card.

Methods inherited from class java.lang.Object

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

Constructor Detail

BankCard

public BankCard(int accountNumber,
        int correctPIN)

Method Detail

pinIsCorrect

public boolean pinIsCorrect(int pin)

Determine whether a given PIN is correct for this card. For invalid cards, this check always returns false

Parameters:

pin - the PIN that is supposed to be check

Returns:

true iff pin is correct and the card is valid

makeCardInvalid

public void makeCardInvalid()

Invalidate a card

cardIsInvalid

public boolean cardIsInvalid()

Returns:

true iff this card is invalid

getAccountNumber

public int getAccountNumber()

Returns:

the account number of the account related to this card