Build a Website with J2EE

The project is to be designed in java and j2ee . \r\nIt will be a website where a person will select a number between 1-10 . and 10 people can choose those numbers and system chooses a winner randomly among the 10 people and the winner will get the benefit of some type.\r\n\r\nSpecification \r\n1. Sign up page :- every user should sign up before he could bid \r\n2. Money transfer page :- the user should add money to place his bid on any number and if a number is already taken by someone else the user cant take that number.\r\n3. The system should randomly select a number between 1-10 and the bidder of that number will win the price.\r\n4. The above given things should be in 5 slots .....that is 5 slots having 10 numbers each and a user can bid in any of the slots.\\\r\n