Help

package com.me.main;

import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.scoreboard.DisplaySlot;
import org.bukkit.scoreboard.Objective;
import org.bukkit.scoreboard.Score;
import org.bukkit.scoreboard.Scoreboard;
import org.bukkit.scoreboard.ScoreboardManager;
public class ScoreB {

    private final Main plugin;
    int taskID;
    public ScoreB(Main plugin) {
        this.plugin = plugin;

    }
    public void getScoreboard(Player p){
        ScoreboardManager m = Bukkit.getScoreboardManager();
        Scoreboard s = m.getNewScoreboard();
        Objective o = s.registerNewObjective("MyScoreboard", "dummy");
        o.setDisplaySlot(DisplaySlot.SIDEBAR);
            List<String> list = plugin.getConfig().getStringList("1");
            new BukkitRunnable() {
                public void run(){
                    for(int i = 0; i < list.size();i++) {
                        o.setDisplayName(list.get(i));
                    }
                }
            }.runTaskTimer(plugin, 0L, 20L);
            Score Score1 = o.getScore("Hola");
            Score1.setScore(1);
               p.setScoreboard(s);
}
    public void darSB() {
        new BukkitRunnable() {

            @Override
            public void run() {
                for(Player player : Bukkit.getOnlinePlayers()) {
                getScoreboard(player);
                    }
                }

            }.runTaskTimer(plugin, 0L, 20L);
    }
}