public static ArrayList<String> used = new ArrayList<>();

@EventHandler(priority = EventPriority.HIGHEST)
	public void onJoin(PlayerJoinEvent e) {
		Player p = e.getPlayer();

		ItemStack feder = new ItemStack(Material.FEATHER);
		ItemMeta federmeta = feder.getItemMeta();
		federmeta.setDisplayName("§fFlugFeder");
		feder.setItemMeta(federmeta);

		p.getInventory().setItem(8, feder);

	}

@EventHandler(priority = EventPriority.HIGHEST)
	public void onRespawn(PlayerRespawnEvent e){
		Player p = e.getPlayer();

		ItemStack feder = new ItemStack(Material.FEATHER);
		ItemMeta federmeta = feder.getItemMeta();
		federmeta.setDisplayName("§fFlugFeder");
		feder.setItemMeta(federmeta);

		p.getInventory().setItem(8, feder);
	}

@EventHandler
	public void onClick(InventoryClickEvent e){
		if (e.getCurrentItem().getItemMeta().getDisplayName().equals("§fFlugFeder")) {
			e.setCancelled(true);
		}
	}

@EventHandler
	public void onInteract(PlayerDropItemEvent e){
		Player p = e.getPlayer();
		if(e.getItemDrop().getItemStack().getItemMeta().getDisplayName().equals("§fFlugFeder")){
			e.setCancelled(true);
		}
	}
@SuppressWarnings("deprecation")
	@EventHandler
	public void onInteract(PlayerInteractEvent e){
		final Player p = e.getPlayer();
		if(p.getItemInHand().getItemMeta().getDisplayName().equals("§fFlugFeder")){
			if(!used.contains(p.getName())){
				p.setVelocity(p.getLocation().getDirection().multiply(100).setY(200).normalize());
				used.add(p.getName());
				Bukkit.getScheduler().scheduleSyncDelayedTask(Main.getInstance(), new Runnable(){
					@Override
					public void run() {
						used.remove(p.getName());
					}
				}, 20*2);
			}else{
				p.sendMessage("§cDu kannst nur alle 2 Sekunden die §fFlugFeder §cBenutzen!");
			}
		}
	}