public static void main(String[] args) { Rational d, e, f; d = new Rational(1, 2); e = new Rational(2, 3); f = new Rational(2, 4); // System.out.println(d.getA()); System.out.println(d.ratNum()); System.out.println(d.equals(e)); System.out.println(d.equals(f)); System.out.println((d.mult(f)).ratNum()); System.out.println(d.compareTo(e)); }