public void deleteItems(List<Integer> numbers, List<Product> products) {
EntityTransaction tx = null;
int cntr = 0;
for (Integer anInt : numbers) {
Product anProduct = products.get(anInt);
this.deleteKey(anProduct.getId());
cntr++;
}
System.out.println("" + cntr + " products deleted");
}
public void delete(Product product) {
EntityTransaction tx = null;
this.deleteKey(product.getId());
}