Tokens Plugin

package me.ItsMike.Tokens;








import org.bukkit.Bukkit;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDeathEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.java.*;
public class Main extends JavaPlugin implements Listener{


	 @EventHandler
     public void onEntityDeath(EntityDeathEvent event) {
		 String thekiller = event.getEntity().getKiller().getName();
         Entity killer = event.getEntity().getKiller();
         Entity deadEntity = event.getEntity();
         if(killer instanceof Player && deadEntity instanceof Player) {
         Player player = (Player) event.getEntity();
         event.getEntity().getKiller().sendMessage("§3[§9Tokens§3]§f " + "You've been given 10 tokens for killing " + player.getName() + "");
         getConfig().set(thekiller + ".money", getConfig().getInt(thekiller + ".money") + 10);
         saveConfig();
         }
	 }

	@EventHandler
	public void onJoin(PlayerJoinEvent e, Player p){

		getConfig().set(p.getName() + ".money", getConfig().getInt(p.getName() + ".money"));
		saveConfig();
		}




	@SuppressWarnings("deprecation")
	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args)
	  {
	Player p = (Player) sender;

	if(cmd.getName().equalsIgnoreCase("tokens")){
	  if(args.length > 0){
	    	if(args[0].equalsIgnoreCase("add")){
	    		p.sendMessage("Usage: /tokens add <name> <amount>");

	    		Player t = Bukkit.getPlayer(args[1]);
	    		if(t == null){
					p.sendMessage("§3[§9Tokens§3]§f " + "Player can't be found!");
					return true;
				}
				int value = Integer.parseInt(args[2]);
				getConfig().set(t.getName() + ".money", getConfig().getInt(t.getName() + ".money") + value);
				saveConfig();
				p.sendMessage("§3[§9Tokens§3]§f " + value + " tokens have been given to " + t.getName());

			}


	  } else {
		  p.sendMessage("§3[§9Tokens§3]§f " + getConfig().getInt(p.getName() + ".money"));
	  }


	  }
	return true;
	  }

 public void onEnable(){


     getConfig().options().copyDefaults(true);
     saveConfig();
	 Bukkit.getServer().getPluginManager().registerEvents(this, this);



 }

}