Main Class

package narutomod.Darkdust_X;

import net.minecraft.item.Item;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.registry.GameRegistry;

@Mod(modid = "swa", name = "ShinobiWayAddon", version = "Alpha")
public class ShinobiWayAddon {
  public static Item itemRinnegan; 

  @EventHandler
  public void preInit(FMLPreInitializationEvent event) {
    //Item/Block init and registering
    //Config handling
    itemRinnegan = new ItemRinnegan().setUnlocalizedName("ItemRinnegan").setTextureName("swa:Rinnegan");
    GameRegistry.registerItem(itemRinnegan, itemRinnegan.getUnlocalizedName().substring(5));
  }

  @EventHandler
  public void Init(FMLInitializationEvent event) {
    //Proxy, TileEntity, entity, GUI and Packet Registering
  }
     
  @EventHandler 
  public void postInit(FMLPostInitializationEvent event) {
  }
}

ItemRinnegan Class:

package narutomod.Darkdust_X;
import net.minecraft.item.Item;

public class ItemRinnegan extends Item {
}