// uses Java 5.0 Generics!!!
class Fraction implements Comparable<Fraction> {
  private int n,d;

  // Constructors
  public Fraction () { // default
    n=0; d=1;	
  }	

  public Fraction (int n, int d) { // with parameters
    this.n = n; // this is the member variable
    this.d = d;
  }
  

  
  // std method for conversion to string 
  public String toString () {
    return ("Fraction("+n+"/"+d+")=" + (double) n/ (double) d);
  }


  // this implements Comparable (see: Interface java.lang.Comparable)
  // uses Java 5.0 Generics
  public int compareTo(Fraction o) {
    double me = (double) n/ (double) d; 
    double other = (double) o.n / (double) o.d;
    if (me < other) { return -1; }
    if (me > other) { return 1; }
    return 0;
  }
}