Scoreboard sb;

sb = Bukkit.getScoreboardManager().getNewScoreboard();

        sb.registerNewTeam("A");
        sb.registerNewTeam("B");
        sb.registerNewTeam("C");
        sb.registerNewTeam("D");
        sb.registerNewTeam("E");
        sb.registerNewTeam("F");
        sb.registerNewTeam("G");
        sb.registerNewTeam("H");
        sb.registerNewTeam("I");
        sb.registerNewTeam("J");
        sb.registerNewTeam("K");
        sb.registerNewTeam("L");

        sb.getTeam("A").setPrefix("§4Admin §8● §4");
        sb.getTeam("B").setPrefix("§bDev §8● §b");
        sb.getTeam("C").setPrefix("§9Manager §8● §9");
        sb.getTeam("D").setPrefix("§cSrMod §8● §c");
        sb.getTeam("E").setPrefix("§cMod §8● §c");
        sb.getTeam("F").setPrefix("§bSupp §8● §b");
        sb.getTeam("G").setPrefix("§2Builder §8● §2");
        sb.getTeam("H").setPrefix("§5YT §8● §5");
        sb.getTeam("I").setPrefix("§dST §8● §d");
        sb.getTeam("J").setPrefix("§6Gold+ §8● §6");
        sb.getTeam("K").setPrefix("§6Gold §8● §6");
        sb.getTeam("L").setPrefix("§a");

    @EventHandler
    public void onJoin(PlayerJoinEvent e) {
        setPrefix(e.getPlayer()); }
    private void setPrefix(Player p){
        String team = "";

        if (p.hasPermission("system.administrator")) {
            team = "A";
        } else if (p.hasPermission("system.developer")) {
            team = "B";
        } else if (p.hasPermission("system.manager")) {
            team = "C";
        } else if (p.hasPermission("system.srmoderator")) {
            team = "D";
        } else if (p.hasPermission("system.moderator")) {
            team = "E";
        } else if (p.hasPermission("system.supporter")) {
            team = "F";
        } else if (p.hasPermission("system.builder")) {
            team = "G";
        } else if (p.hasPermission("system.youtuber")) {
            team = "H";
        } else if (p.hasPermission("system.streamer")) {
            team = "I";
        } else if (p.hasPermission("system.gold+")) {
            team = "J";
        } else if (p.hasPermission("system.gold")) {
            team = "K";
        } else {
            team = "L";
        }

        sb.getTeam(team).addPlayer(p);
        p.setDisplayName(sb.getTeam(team).getPrefix() + p.getName());

        for (Player all : Bukkit.getOnlinePlayers()) {
            all.setScoreboard(sb);
        }
    }