String key = "Key";
                List<CartProductListPojo> cartProductListPojos = new ArrayList();
                cartProductListPojos.add(new CartProductListPojo( getItemId.getProductImage(),
                        getItemId.getProductName(),
                        getItemId.getProductBrandName(), getItemId.getProductCategory(), 1,
                        getItemId.getProductPrice()));

                SharedPreferences shref;
                SharedPreferences.Editor editor;
                shref = context.getSharedPreferences("Name", Context.MODE_PRIVATE);

                Gson gson = new Gson();
                String json = gson.toJson(cartProductListPojos);

                editor = shref.edit();
                /*editor.remove(key).commit();*/
                editor.putString(key, json);
                editor.commit();