This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Right. So you can't cast. Therefore you need to create a newjava.sql.Date object. So, the first place to go is the API documentation, to see whether there are any suitable constructors for java.sql.Date. Give that a try. Come back here if you can't figure out how to use any of the constructors.