Double Jumps avec Temps

@EventHandler
	public void OnPlayerToggleFlight(PlayerToggleFlightEvent event) {
		Player player = event.getPlayer();
		if (player.getGameMode() == GameMode.CREATIVE)return;
		if(jumpers.containsKey(player.getName())){
			long now = System.currentTimeMillis();
			if((jumpers.get(player.getName()) - now) < 3500){//3000 = 3 secondes
				player.sendMessage("§cTu dois attendre 3 secondes entre chaque double saut !");
				return;
			}else{
				jumpers.remove(player.getName());
				jumpers.put(player.getName(), System.currentTimeMillis());
			}

		}else{
			jumpers.put(player.getName(), System.currentTimeMillis());

		}
		event.setCancelled(true);
		player.setAllowFlight(false);
		player.setFlying(false);
		player.setVelocity(player.getLocation().getDirection().multiply(1.5).setY(1));
	}