// Your job is to fill in all the missing function bodies. Be sure to add your // name to this file, and rename it! /** * Fraction is an object representing the ratio of two numbers: a "numerator" on * top and a "denominator" on bottom. Objects like this can be useful when you * need to work with exact quantities, without the rounding errors inherent in * doubles. * * @author Adam Smith * @version 1.0 */ public class Fraction { private int num, den; /** * Create a new Fraction, from its numerator and denominator. * @since 1.0 */ public Fraction(int numerator, int denominator) { } /** * Add a second Fraction to this. * @param other the other Fraction to add * @return the resulting Fraction * @since 1.0 */ public Fraction add(Fraction other) { return null; } /** * Subtract a second Fraction from this. * @param other the other Fraction to subtract * @return the resulting Fraction * @since 1.0 */ public Fraction subtract(Fraction other) { return null; } /** * Multiply a second Fraction by this. * @param other the other Fraction to multiply * @return the resulting Fraction * @since 1.0 */ public Fraction multiply(Fraction other) { return null; } /** * Divide this by a second Fraction. * @param other the other Fraction by which to divide * @return the resulting Fraction * @since 1.0 */ public Fraction divide(Fraction other) { return null; } /** * Calculate the double whose value best approximates * this's value. * @return the approximate value * @since 1.0 */ public double toDouble() { return Double.NaN; } /** * Build a String representing this Fraction, as * (numerator/denominator). * @return the String (numerator/denominator) * @since 1.0 */ @Override public String toString() { return null; } /** * Return true if this Fraction is * equivalent to another one; otherwise false. * @param otherObject the other object (probably a Fraction) to * compare with * @return the whether they are equivalent * @since 1.0 */ @Override public boolean equals(Object otherObject) { return false; } /** * Accessor for the numerator. * @return the numerator * @since 1.0 */ public int getNumerator() { return -1; } /** * Accessor for the denominator. * @return the denominator * @since 1.0 */ public int getDenominator() { return -1; } /** * Mutator for the numerator. * @param newNumerator the new numerator * @since 1.0 */ public void setNumerator(int newNumerator) { } /** * Mutator for the denominator. * @param newDenominator the new denominator * @since 1.0 */ public void setDenominator(int newDenominator) { } // helper function to calculate the Greatest Common Divisor private static int calcGCD(int int1, int int2) { return -1; } // helper method to reduce this Fraction // call this in the constructor and the setters to reduce private void reduce() { // will call calcGCD() somewhere in here } }