*Main.java

package me.manio.mcrafting;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin{

	@SuppressWarnings("unused")
	private static Main instance;

	@Override
	public void onEnable(){
		instance = this;
		System.out.println("Uruchamianie...");
		Bukkit.getPluginManager().registerEvents(new Listenery(), this);
		Bukkit.getPluginManager().registerEvents(new Craftingi(), this);
		getServer().addRecipe(Craftingi.pi);
	}

	@Override
	public void onDisable(){
		System.out.println("Wylaczanie...");
	}

	@Override
	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
		if(label.equalsIgnoreCase("craft")){
		if(cmd.getName().equalsIgnoreCase("craft")){
			Player p = (Player)sender;
			if(args.length>=1){
				sender.sendMessage(ChatColor.RED + "Poprawne uzycie: §a/craft");
			}
	        if(args.length==0){
	            p.openInventory(Listenery.inv);

			}
		return false;
			}
		}
		return false;
	}
}


*Craftingi.java

package me.manio.mcrafting;

import java.util.Arrays;
import org.bukkit.Material;
import org.bukkit.event.Listener;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.ShapedRecipe;
import org.bukkit.inventory.meta.ItemMeta;

public class Craftingi implements Listener{

	public static ItemStack fs = new ItemStack(Material.PACKED_ICE, 1);{
		ItemMeta im = fs.getItemMeta();
		im.setDisplayName("§cPakowany lod");
		im.setLore(Arrays.asList("Mocno", "zbity", "lod"));
		fs.setItemMeta(im);

	}

	public static ShapedRecipe pi = new ShapedRecipe(Craftingi.fs).shape(" i ","igi"," i ").setIngredient('i', Material.ICE).setIngredient('g', Material.GLASS);
}