public static void JoinItem(Player p){
  p.getInventory().clear();
  ItemStack is = new ItemStack(Material.NETHER_STAR);
  ItemMeta im = is.getItemMeta();
  im.setDisplayName("§6§lMenu Jeux §7(Clic Droit§7)");
  is.setItemMeta(im);
  p.getInventory().setItem(0, is);