Scoreboards

package fr.Zitugi.ScoreboardTest;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;
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 Scoreboards extends JavaPlugin implements Listener{

	public void onEnable(){
		PluginManager pm = getServer().getPluginManager();
		pm.registerEvents(this, this);
	}

	ScoreboardManager sm;
	Scoreboard board;
	Objective obj;
	int score = 0;
	Score kills;

	@EventHandler
	public void onJoin(PlayerJoinEvent e){
		Player p = e.getPlayer();

		ScoreboardManager sm = Bukkit.getScoreboardManager();
		Scoreboard board = sm.getNewScoreboard();
		Objective obj = board.registerNewObjective("Stats", "dummy");
		obj.setDisplaySlot(DisplaySlot.SIDEBAR);
		obj.setDisplayName("§eCoucou");

		Score kills = obj.getScore("Kills : 0");
		kills.setScore(0);
		p.setScoreboard(board);

	}


	@EventHandler
	public void onKills(PlayerDeathEvent e){
		Player p = (Player) e.getEntity();

		for(String ligne : board.getEntries()){

			if(ligne.contains("Kills :")){
				board.resetScores(ligne);

				String lastligne = ligne.split(":")[0];
				String newligne = lastligne + " " + (ligne.split(":")[1]+1);

				obj.getScore(newligne).setScore(0);
				p.setScoreboard(board);

			}
		}
	}

}