franck.cse5910

Class Currency

java.lang.Object

franck.cse5910.Currency

public class Currency
extends Object

This class provides conversion between the following currencies: Canadian dollar, US dollar and Euro.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CAD Canadian dollar.
static String	EUR Euro.
static String	USD US dollar.

Method Summary

Methods

Modifier and Type	Method and Description
static double	convert(double amount, String from, String to) Converts the given amount from the first currency to the second currency.

Methods inherited from class java.lang.Object

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

Field Detail

CAD

public static final String CAD

Canadian dollar.

See Also:

Constant Field Values

USD

public static final String USD

US dollar.

See Also:

Constant Field Values

EUR

public static final String EUR

Euro.

See Also:

Constant Field Values

Method Detail

convert

public static double convert(double amount,
             String from,
             String to)
                      throws RuntimeException

Converts the given amount from the first currency to the second currency.

Throws:

RuntimeException - if the data is unavailable.

Parameters:

amount - the amount to be converted.

from - the currency from which to convert.

to - the currency to which to convert.

Precondition:

amount >= 0.0, from == Currency.CAD || from == Currency.USD || from == Currency.EUR, to == Currency.CAD || to == Currency.USD || to == Currency.EUR

Returns:

the conversion of the given amount from the first currency to the second currency.