Package money

Class Money

java.lang.Object

money.Money

Direct Known Subclasses:

MoneyBag, SimpleMoney

public abstract class Money
extends Object

The common interface for simple Monies and MoneyBags

Author:

Kent Beck, Robert Duvall (small updates and commenting)

Constructor Summary

Constructors

Constructor	Description
Money()

Method Summary

Modifier and Type	Method	Description
abstract Money	add(Money m)	Adds given money to this money.
abstract boolean	isZero()	Tests whether this money is zero
abstract Money	multiply(int factor)	Multiplies this money by the given factor.
abstract Money	negate()	Negates this money.
abstract Money	subtract(Money m)	Subtracts given money from this money.

Methods inherited from class java.lang.Object

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

Constructor Details

Money

public Money()

Method Details

add

public abstract Money add(Money m)

Adds given money to this money.

subtract

public abstract Money subtract(Money m)

Subtracts given money from this money.

multiply

public abstract Money multiply(int factor)

Multiplies this money by the given factor.

negate

public abstract Money negate()

Negates this money.

isZero

public abstract boolean isZero()

Tests whether this money is zero