VillagerMenu

@EventHandler
    public void onInteract(PlayerInteractEntityEvent e){
        if(e.getRightClicked() instanceof Villager){
            Merchant inv = new Merchant();
                        //Setzte dein Title der im menu steht
            inv.setTitle("Blocks");

            //Item hinzufügen (z.B. Cobblestone + Stein -> Dreck)
            inv.addOffer(new MerchantOffer(new ItemStack(Material.COBBLESTONE, 1), new ItemStack(Material.STONE, 1), new ItemStack(Material.DIRT, 1)));

            //Item hinzufügen (2 Dirt -> 1 Grass)
            inv.addOffer(new MerchantOffer(new ItemStack(Material.DIRT, 2), new ItemStack(Material.GRASS, 1)));

            inv.addOffer(new MerchantOffer(new ItemStack(Material.INK_SACK), new ItemStack(Material.GOLD_INGOT), new ItemStack(Material.APPLE)));
            //Inventar öffnen
            inv.setCustomer(e.getPlayer());
            inv.openTrading(e.getPlayer());
        }

    }

}