Fly

if ((cmd.getName().equalsIgnoreCase("fly")) && (sender.hasPermission("bedrockcore.command.fly"))) {
      if (args.length == 0)
      {
        Player p = (Player)sender;
        p.sendMessage("§c§lStaff §8> §7Args: /fly on:off");
        p.playSound(p.getLocation(), Sound.NOTE_PLING, 3.0F, 3.0F);
      }
      else if (args.length == 1)
      {
        if (args[0].equalsIgnoreCase("on"))
        {
          Player p = (Player)sender;
          p.setAllowFlight(true);
          p.sendMessage("§c§lStaff §8> §7Fly mode enabled");
          p.playSound(p.getLocation(), Sound.NOTE_PLING, 3.0F, 3.0F);
        }
        else if (args[0].equalsIgnoreCase("off"))
        {
          Player p = (Player)sender;
          p.setAllowFlight(false);
          p.sendMessage("§c§lStaff §8> §7Fly mode disabled");
          p.playSound(p.getLocation(), Sound.NOTE_PLING, 3.0F, 3.0F);
        }
      }