/**********************************************

This is the sample test main() for TigerBook. It should output:

== The wall of Tony ==

and then throw a RuntimeException (see the comments).

*************************************************/

public static void main(String[] args) {

   TigerBook t = new TigerBook();

   Person first = new Person("Tony");
   t.register("tony10010", first);

   Person personFound = t.lookup("tony10010");
   personFound.listMessages();                 // should print     == The wall of Tony ==

   Person nobody = t.lookup("tony-the-tiger"); // should throw a RuntimeException

}