VARO START

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

       ArrayList<Player> noDamage = new ArrayList<Player>();
       ArrayList<Player> notMoving = new ArrayList<Player>();

    private Main plugin;

    int scheduler = 0;
    int scheduler1 = 0;
    int count = 60;
    int maxCount = 60;
    int damage = 36000;

    public StartCommand(Main main) {
        this.plugin = main;
    }

       @EventHandler
       public boolean onCommand(CommandSender CommandSender, Command Command, String Label, String[] Args) {
          if(Command.getName().equalsIgnoreCase("start")) {
             final Player p = (Player) CommandSender;
             p.sendMessage("§6Du hast den Countdown gestartet");
             onCountdown();
             return true;
          }
          return false;
       }
       @SuppressWarnings("deprecation")
    public void onCountdown() {
           for(Player p : Bukkit.getOnlinePlayers()){
               notMoving.add(p);
               noDamage.add(p);
           }
                  this.scheduler = plugin.getServer().getScheduler().scheduleSyncRepeatingTask(plugin, new Runnable() {
                     public void run() {
                        if(count == 60 ||
                        count == 50 ||
                        count == 40 ||
                        count == 30 ||
                        count == 20 ||
                        count == 15 ||
                        count == 10 ||
                        count == 9 ||
                        count == 8 ||
                        count == 7 ||
                        count == 6 ||
                        count == 5 ||
                        count == 4 ||
                        count == 3 ||
                        count == 2 ||
                        count == 1 ){

                            Bukkit.broadcastMessage(plugin.prefix + "§3Die Spiele beginnen in §e" + count + "§3 " + (count == 1 ? "Sekunde" : "Sekunden"));
                        }
                        if(count <= 60){
                            for(Player p : Bukkit.getOnlinePlayers()){
                                p.setLevel(count);
                                p.setExp((float)count / (float)maxCount);

                            }
                        }
                            if(count <= 0){
                            notMoving.clear();
                            Bukkit.broadcastMessage("§aMögen die Spiele beginnen");
                            onGreacePeriod();
                            Bukkit.getScheduler().cancelTask(scheduler);
                            for(Player p : Bukkit.getOnlinePlayers()){
                                p.setLevel(0);
                                p.setExp(0);
                            }
                            }
                        count --;
                  }
       }
                  , 0L, 20L);
    }

       public void onGreacePeriod(){
           this.scheduler1 = plugin.getServer().getScheduler().scheduleSyncRepeatingTask(plugin, new Runnable() {
            public void run() {
                if(damage == 0){
                    noDamage.clear();
                    Bukkit.getScheduler().cancelTask(scheduler1);
                }
                damage --;
            }
            }, 0L, 20L);
           }



       @EventHandler
       public void onDamage(EntityDamageEvent e) {
            if(noDamage.contains(e.getEntity())) {
                    e.setCancelled(true);
            }
       }

       @EventHandler
       public void onPlayerJump(PlayerMoveEvent e) {
               if(notMoving.contains(e.getPlayer()))
                    e.getPlayer().teleport(e.getPlayer().getLocation());
            }
    }