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.
You'll probably want to look at using a BLOB. Have a look at the Oracle9i JDBC Developer's Guide and Reference - Working with LOBs and BFILEs. Jamie ps you'll probably get more timely answers for this subject matter in the JDBC forum