Bukkit Dev' | #44 - HashMaps

import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.java.JavaPlugin;

import java.util.HashMap;

/**
 * @author VINETOS
 */
public class Main extends JavaPlugin implements Listener{

    private HashMap<Player, String> players = new HashMap<>();

    @Override
    public void onEnable() {
       getServer().getPluginManager().registerEvents(this, this);
    }

    @EventHandler
    public void onJoin(PlayerJoinEvent e){
        Player p = e.getPlayer();
        players.put(p, "§aUn message concernant le joueur !");
    }

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        if(sender instanceof Player){
            if(command.getName().equalsIgnoreCase("about")){
                Player p = (Player) sender;
                if(players.containsKey(p)){
                    String msg = players.get(p);
                    p.sendMessage("§cVotre message: "+msg);
                }else{
                    p.sendMessage("§cTu n'es pas dans l'HashMap ");
                }
            }
        }
        return true;
    }
}