public void startKickTimer() { getServer().getScheduler().scheduleSyncRepeatingTask((Plugin)this, new Runnable()
        {
          public void run()
          {
            for (Player player : Bukkit.getServer().getOnlinePlayers()) {

              Student student = new Student(player);
              if (student.getSchedule() == null || student.getSchedule().hasLesson(new Date())) {
                player.kickPlayer(NUtil.colorize(Base.config.getString("messages.lesson")));
                return;
              }
            }
          }
        },  0L, 1200L); }