Stokecraft Developer Test

if(cmd.getName().equalsIgnoreCase("dev")) {
    if(args.length == 1 && args[0].equalsIgnoreCase("app")) {
        sender.sendMessage(ChatColor.GREEN + "You are applying for dev");
        if(sender instanceof Player) {
            Player player = (Player) sender;
            player.getVelocity().multiply(2);
            player.playSound(player.getLocation(), Sound.ARROW_HIT, 1, 1);
            player.setItemInHand(new ItemStack(Material.DIAMOND, 64));
            return true;
        }
        return true;
    }
}