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.
If you don't specify a name in the html:form tag, the name of the form will be the name of the actionForm associated with the action in the struts-config.xml file. It's easy to see what name struts has given the form by using the "view source" function of your browser when the page is being displayed.