record Goodbye(){
  static long fac(int n){
    return n<=0 ? 1 : n*fac(n-1);
  }
  
  public static void main(String[] args){
    System.out.println("fac(5) = "+ fac(5));
    var w1 = new Wetter("Offenbach",11);
    var w2 = new Wetter("Wiesbaden",16);
    System.out.println
      ("ist "+w1+" wärmer als "
       +w2+"? "
       +(w1.temperatur()>w2.temperatur()));
    System.out.println("goodbye!");

  }

}