Please help java

In this lab, you will implement a shopping cart using the Java ArrayList class. Your program will need the following classes:

$$ A class named Item that models an item one would purchase. It has a name, description, price, and quantity $($the quantity purchased$).$ Whenever you create a new item, you should provide those properties.

o This class will calculate and print the item cost. $3$ coffee @ $$7\mathrm{.}99=$ $$23\mathrm{.}79$

$$ A class named ShoppingCart that models a shopping cart. It has the customer name, today$$s date, and an ArrayList of items. In order to start an instance, you should provide the customer name and the date $($Import the java.util.Date Package$).$ This class has the following actions:

o Add an item to the cart.

o Remove an item from cart.

o Change an item$$s quantity.

o Display the items$$ names and descriptions.

o Display the cart$$s contents.

$3$ coffee @ $$7\mathrm{.}99=$ $$23\mathrm{.}972$ tea @ $$5\mathrm{.}99=$ $$11\mathrm{.}98$

$------------------------------------$

Total $=$ $$35\mathrm{.}95$

$$ A class named ShoppingCartManager that shows a menu to the user to choose an action to do: add item, remove an item, modify item quantity, display items$$ names and descriptions, or display cart$$s cart contents.

Import the java.util.Date Package Import the java.util.Calendar Package