Jicko

package com.gmail.JyckoSianjaya;

import org.bukkit.Sound;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Giant;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.plugin.java.JavaPlugin;

import net.md_5.bungee.api.ChatColor;

public class Domin extends JavaPlugin implements Listener {
    public void onEnable() {
        getLogger().info(ChatColor.translateAlternateColorCodes('&', "&e&lEnabled the Plugin!"));
        getServer().getPluginManager().registerEvents(this, this);
    }
    public void onDisable() {
        getLogger().info(ChatColor.translateAlternateColorCodes('&', "Succesfully disabled the plugin"));
    }

	public void sendMsg(Player player, String msg){
		player.sendMessage(ChatColor.translateAlternateColorCodes('&', msg));
	}
	public void play(Player player, Sound sound){
		player.playSound(player.getLocation(), sound, 2F, 1F);
	}
    @EventHandler
    public void GiantDmg(EntityDamageByEntityEvent event) {
        Entity victim = event.getEntity();
        Entity damager = event.getDamager();
        if (victim instanceof Giant) {
			Giant giant = (Giant) victim;
			Player player = null;
            if (damager instanceof Player) {
				player = (Player) damager;
			}
			else if(damager instanceof Arrow){
				Arrow arrow = (Arrow) damager;
				if(arrow.getShooter() instanceof Player){
					player = (Player) arrow.getShooter()
				}
			}
			if(player != null){
                event.setCancelled(true);
                int xp = player.getLevel() + 1;
                player.setLevel(xp);
                Double health = giant.getHealth() - 0.5;
                giant.setHealth(health);
                sendMsg(player, "&aYou took &f1 &alevel from the Giant!");
                play(player, Sound.ENTITY_CHICKEN_HURT);
                play(player, Sound.ENTITY_EXPERIENCE_ORB_PICKUP);
			}

   		 }
    }
}