This is an assignment in using Use Case Diagrams, CRC Cards, Class Diagrams and Sequence Diagrams. Ive figured out how to create CRC cards and draw a Use Case Diagram, but I stumped on the Class Diagram and Sequence Diagram parts. Any help is very truly appreciated!

Foo Bar has a famous grocery store in Birmingham. He is earming a good profit from his grocery and he wants to take his business a step further by going online. He heard of you as a good designer and he is interested n giving you the work of designing a shoppng website for him. Here is what he says about the requirements "I want my customers to login to the website and be able to quickly search for items. To be able to do so, I want the feature of selecting a department of their interest and further selecting a category under which they would like to search an item. Customers can add/delete items in shopping cart and then after he/she wishes to checkout the items, s/he should provide the card information and shipping information for the order he is about to place. After checking for the validity of the information, the order should be placed Since I plan to be outside on my business tour most of the days in a month after going online, I would like to hire someone who can update the current store based upon items purchased for the store. He should be only able to add items, categories, departments and update items quantity and price with his privilege. Needless to say, I should have all the privileges available." Tasks 1. Make Class Diagram depicting the properties and methods of each classes and presenting relationship among classes 2. Draw Sequence Diagram for the checkout process