@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + id;
		result = prime * result + ((marca == null) ? 0 : marca.hashCode());
		result = prime * result + ((nome == null) ? 0 : nome.hashCode());
		result = prime * result + ((preco == null) ? 0 : preco.hashCode());
		result = prime * result + ((tipo == null) ? 0 : tipo.hashCode());
		result = prime * result + ((url == null) ? 0 : url.hashCode());
		return result;
	}