Chocolate Factory Inventory System

Description: You are tasked with creating a Java application for managing the inventory of a chocolate factory. The application should utilize inheritance and SQL to model and store information about different types of chocolate products.

Requirements:

1. Create a base Chocolate class with the following properties:

   • id (Long)
   • name (String)
   • price (BigDecimal)
   • weight (double)

2. Implement a simple DataLoader that allows users to interact with the chocolate factory inventory system. The should provide options for:

   • Adding a new chocolate product
   • Retrieving a chocolate product by ID
   • Retrieving all chocolate products
   • Updating a chocolate product
   • Deleting a chocolate product

3. Write unit tests for the ChocolateRepository class to demonstrate how to use the operations to create, update, delete and find of a chocolate..