Fraction.java

package com.example;

public class Fraction {
    private int numerator;
    private int denominator;
    
    public Fraction() {
        this.numerator = 1;
        this.denominator = 1;
    }
    
    public Fraction(int numerator, int denominator) {
        if (denominator == 0) {
            throw new IllegalArgumentException("Denominator must be greater than zero");
        }
        this.numerator = numerator;
        this.denominator = denominator;
    }

    public int getNumerator() {
        return numerator;
    }

    public void setNumerator(int numerator) {
        this.numerator = numerator;
    }

    public int getDenominator() {
        return denominator;
    }

    public void setDenominator(int denominator) {
        if (denominator == 0) {
            throw new IllegalArgumentException("Denominator must be greater than zero");
        }
        this.denominator = denominator;
    }
    
    public double getReal() {
        return (double) numerator / denominator;
    }
}