hCore allows you to register event handling without creating any class.
Example
Example code:
HCore.registerEvent(PlayerJoinEvent.class) //registers PlayerJoinEvent.priority(EventPriority.HIGHEST) //sets priority as HIGHEST.expire(10,TimeUnit.HOURS) //this event will expire in 10 hours.filter(event ->event.getPlayer().hasPermission("example.permission")) //adds filter to work this listener.limit(10) //after 10 usage, this listener will unregister (Events that fail the filter do not affects the limit!).consume(event -> { //when the event is triggered, consume will workevent.getPlayer().sendMessage("test");event.getPlayer().sendMessage("test");event.getPlayer().sendMessage("test"); });