public String listItem() {
	    String inventory = "";
		for (Item item : itemHolder.getHeldItems()) {
			inventory += item.toString() + "\n";
		}
		if(itemHolder.getWorkingManager().size() != 0)
		{
		for(int i=0;i<itemHolder.getWorkingManager().size();i++)
		{
		    if(itemHolder.getWorkingManager().getValue(i) != null)
		    {
		    inventory += itemHolder.getWorkingManager().getKey(i)+ " " + itemHolder.getWorkingManager().getValue(i);
		    }
		    else
		    {
		        inventory += itemHolder.getWorkingManager().getKey(i); 
		    }
		}
		}
		if(inventory.equals(""))
		{
		    inventory += "you have nothing now.";
		}
		return inventory;
	}