public class FractionDriver { public static void main(String[] args) { System.out.println("Number of Fractions: " + Fraction.getTotalInstances()); Fraction f1 = new Fraction(2, 4); Fraction f2 = new Fraction(4, 7); System.out.println("Number of Fractions: " + Fraction.getTotalInstances()); System.out.println(f1); System.out.println(f2); System.out.println("Denominator f1 " + f1.getDenominator()); } }