net.obvj.jep.util

Class RomanNumeralUtils

java.lang.Object

net.obvj.jep.util.RomanNumeralUtils

public class RomanNumeralUtils
extends Object

A class that contains methods for conversions between Roman and Arabic numerals.

Author:

oswaldo.bapvic.jr

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RomanNumeralUtils.RomanNumeral

Method Summary

Modifier and Type	Method and Description
static String	arabicToRoman(int number) Converts an Arabic number to a Roman number.
static int	romanToArabic(String input) Converts a Roman number to an Arabic number.

Methods inherited from class java.lang.Object

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

Method Detail

romanToArabic

public static int romanToArabic(String input)

Converts a Roman number to an Arabic number.

Parameters:

input - the Roman number to be converted

Returns:

the Arabic number corresponding to the given inout

arabicToRoman

public static String arabicToRoman(int number)

Converts an Arabic number to a Roman number.

Parameters:

number - the Arabic number to be converted (a value from 1 to 3999)

Returns:

a String containing the corresponding Roman number. An input of 0 (zero) will be converted to an empty string.

Throws:

IllegalArgumentException - if the given input is not in range (0,3999)