Source for HungerKeep

package plugin;

import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.player.PlayerRespawnEvent;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.scheduler.BukkitRunnable;

import java.util.HashMap;
import java.util.UUID;

public class HungerKeep extends JavaPlugin implements Listener {
    HashMap<UUID, Integer> hunger = new HashMap<UUID, Integer>();
    HashMap<UUID, Float> saturation = new HashMap<UUID, Float>();
    @Override
    public void onEnable() {
        getServer().getPluginManager().registerEvents(this, this);
    }
    @EventHandler
    public void onDeath(PlayerDeathEvent e) {
        hunger.put(e.getEntity().getUniqueId(), e.getEntity().getFoodLevel());
        saturation.put(e.getEntity().getUniqueId(), e.getEntity().getSaturation());
    }
    @EventHandler
    public void onRespawn(final PlayerRespawnEvent e) {
        if (hunger.containsKey(e.getPlayer().getUniqueId())) {
            new BukkitRunnable() {
                public void run() {
                    e.getPlayer().setFoodLevel(hunger.get(e.getPlayer().getUniqueId()));
                    e.getPlayer().setSaturation(saturation.get(e.getPlayer().getUniqueId()));
                    hunger.remove(e.getPlayer().getUniqueId());
                    saturation.remove(e.getPlayer().getUniqueId());
                }
            }.runTaskLater(this, 2l);
        }
    }
}