com.antelmann.math
Class RomanNumber

java.lang.Object
  java.lang.Number
      com.antelmann.math.RomanNumber

All Implemented Interfaces:

Addable<RomanNumber>, Serializable, Comparable<Number>

public class RomanNumber
extends Number
implements Addable<RomanNumber>, Comparable<Number>

a representation for a roman number (internally based on an integer)

Since:

06.01.2011, 06:14:00

Author:

Holger Antelmann

See Also:

Serialized Form

Field Summary

static Converter<Integer,String>	CONVERTER
static NumberFormat	FORMAT

Constructor Summary

RomanNumber()

RomanNumber(int n)

RomanNumber(Number n)

RomanNumber(String n)

Method Summary

RomanNumber	add(RomanNumber other) adds this instance to the other given one and returns the result; this entry itself remains untouched
int	compareTo(Number o)
double	doubleValue()
boolean	equals(Object obj)
float	floatValue()
int	hashCode()
int	intValue()
long	longValue()
String	toString()

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

CONVERTER

public static final Converter<Integer,String> CONVERTER

FORMAT

public static final NumberFormat FORMAT

Constructor Detail

RomanNumber

public RomanNumber()

RomanNumber

public RomanNumber(int n)

RomanNumber

public RomanNumber(Number n)

RomanNumber

public RomanNumber(String n)
            throws IllegalArgumentException

Throws:

IllegalArgumentException

Method Detail

add

public final RomanNumber add(RomanNumber other)

Description copied from interface: Addable

adds this instance to the other given one and returns the result; this entry itself remains untouched

Specified by:

add in interface Addable<RomanNumber>

compareTo

public final int compareTo(Number o)

Specified by:

compareTo in interface Comparable<Number>

toString

public String toString()

Overrides:

toString in class Object

intValue

public final int intValue()

Specified by:

intValue in class Number

longValue

public final long longValue()

Specified by:

longValue in class Number

floatValue

public final float floatValue()

Specified by:

floatValue in class Number

doubleValue

public final double doubleValue()

Specified by:

doubleValue in class Number

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object obj)

Overrides:

equals in class Object