TheEyes Havelt.Com Book Exchange TheEyes Havelt.com Book Exchange is a type of eBusiness exchange-build under ASP.Net- that does business entirely on the Internet. The company acts as a clearing exchange for both buyers and sellers of used books. In order for a person to offer books for sale, he must register with Eyes Havelt. The person must provide a current physical address and telephone number as well as a current email address. The system will then maintain an open account for this person. Access to the system as a seller is through a secure, authenticated portal. A seller can list books on the system through a special Internet form which is ease of use. Information required includes all of the pertinent information about the book, its category, its general condition, and the asking price. A seller may list as many books as desired. The system maintains an index of all books in the system so that huyers can use the search engine to search for books. The search engine allows searches by title, author, category, and keyword. People desiring to buy books come to sight and search for the books they want. When they decide to buy, they must open an account with a credit card to pay for the books. The system maintains all of this information on secure SQL DB servers. When a request to purchase is made, along with the payment. The Eyes Havelt.com sends an email notice to the seller of the book that was chosen. It also marks the book as sold. The system maintains this as an open order, until it receives notice that the books have been shipped. Once the seller receives notice that a listed book has been sold, then he must notify the buyer, via email within 48 hours that the purchase is noted. Shipment of the order must be made with 24 hours after the seller sends the notification email. The seller sends a notification to both the buyer and TheEyes Havelt.com when the shipment is made After receiving notice of shipment, TheEyes Havelt.com maintains the order in a shipped status. At the end of each month, a check is mailed to each seller for all of those book orders that are have been in a shipped status for thirty days. The thirty-day wait is to allow the buyer to notify TheEyes Havelt.com if for some reason the shipment does not arrive, or if the book is not in the same condition as advertised. For this case, develop the following diagrams by using JDeveloper Tool 1. Build a use case diagram: 2. Build a domain class diagram; 3. Build ERM diagram