Java Online Shopping Project Code

The Java online shopping project code is a comprehensive program that simulates an e-commerce platform. It allows users to create and manage their shopping carts, add items, modify item descriptions, prices, and quantities, and calculate the total cost of items in the cart.

At its core, the program consists of two main classes: `ShoppingCart` and `ItemToPurchase`. The `ShoppingCart` class represents a virtual shopping cart that can hold multiple items. It has methods to add items to the cart, modify item descriptions, prices, and quantities, and calculate the total cost of items in the cart.

The `ItemToPurchase` class represents an individual item that can be added to the shopping cart. It has properties such as name, description, price, and quantity, which can be modified by users. The program also includes a `ShoppingCartManager` class that contains the main method and is responsible for managing the entire shopping cart process.

One of the key features of this project code is its ability to calculate the total cost of items in the cart. This is achieved through the `getCostOfCart()` method, which returns the total cost of all items in the cart. The program also includes methods to output the item name and description (`PrintItemDescription()`), the item name followed by the quantity, price, and subtotal (`PrintItemCost()`), and a mutator method to modify an item's description (`SetDescription()`).

In terms of error handling, the program checks for errors such as item not found in cart, default values for description, price, and quantity, and spacing errors. If an item cannot be found in the cart, the program outputs a message indicating that the item was not found.

Overall, this Java online shopping project code provides a solid foundation for building a comprehensive e-commerce platform with features such as cart management, item modification, and cost calculation.