com.generationjava.math
Class Fraction

java.lang.Object
  com.generationjava.math.Fraction

public class Fraction

extends Object

A Fraction, containing a denominator and a numerator.

Constructor Summary

Fraction(int num)
Create a Fraction that represents the number specified..

Fraction(int num, int den)
Create a fraction.

Method Summary

Fraction	add(Fraction f) Add a Fraction to this Fraction.
Fraction	div(Fraction f) Divide this fraction by another.
boolean	equals(Object obj) Are two fractions equal?
static int	gcd(int i1, int i2) Find the greatest common divisor of two numbers.
int	hashCode()
Fraction	inverse() Invert this fraction.
Fraction	mul(Fraction f) Multiple this fraction by another..
static Fraction	reduce(Fraction f) Reduce a fraction down to its lowest level.
Fraction	sub(Fraction f) Subtract a Fraction from this Fraction.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Fraction

public Fraction(int num,
                int den)

Create a fraction. num/den

Parameters:

num - int numerator - one on top

den - int denominator - one on bottom

Fraction

public Fraction(int num)

Create a Fraction that represents the number specified..

Parameters:

num - int numerator

Method Detail

gcd

public static int gcd(int i1,
                      int i2)

Find the greatest common divisor of two numbers.

reduce

public static Fraction reduce(Fraction f)

Reduce a fraction down to its lowest level.

add

public Fraction add(Fraction f)

Add a Fraction to this Fraction.

sub

public Fraction sub(Fraction f)

Subtract a Fraction from this Fraction.

mul

public Fraction mul(Fraction f)

Multiple this fraction by another..

div

public Fraction div(Fraction f)

Divide this fraction by another.

inverse

public Fraction inverse()

Invert this fraction.

equals

public boolean equals(Object obj)

Are two fractions equal?

hashCode

public int hashCode()

toString

public String toString()