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.
request.set/getAttribute(String name) is used to set/get objects programmatically to allow passing objects back n forth, however request.getParameter(String name) gets parameter on the form invoking this page i.e. <input> tags on <form> in ur html/jsp page