@Override
    public final Product findProduct(String prodID){
        Product productFound = null;
        for(int i = 0; i < products.length; i++){
            if (prodID.equals(products[i].getProdID())){
                productFound = products[i];
                break;
            }
        }
        if(productFound == null) {
            throw new IllegalArgumentException();
        }
        return productFound;
    }