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.
I have a servlet that after data is submitted it has to connect to an SAP system and perform a calculation. This takes some time. After the submit button is pushed, I would like to go to a new page and have an animated bar type image indicating the user to wait for a response. Then when the calculation is finished it goes to the results page.