Do you want to try it?

---

1st. Compile

    $ erlc gen_event_manager.erl my_event_manager.erl my_event.erl

2nd. Test

    $ erl
    Erlang R14A (erts-5.8) [source] [64-bit] [smp:2:2] [rq:2] [async-threads:0] [hipe] [kernel-poll:false]

    Eshell V5.8  (abort with ^G)
    1> my_event_manager:start_link().
    {ok,[]}
    2> my_event_manager:add_handler(my_event, []).
    ok
    3> my_event_manager:which_handlers().
    [my_event]
    4> my_event_manager:notify_event("java").
    --> event: [106,97,118,97]
    ok