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.
Sounds a little like part of an assignment so I'll try not to give too much away. The text value entered in the TEXTAREA is passed as a parameter, with the request, with the name "keywordName" Have a look at the ServletRequest API.