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 created a programme based on 'captcha'.It is working but i want to add one essential feature. I want to add a link on the same page that if any one click on that link captcha image should change but not whole page should be refreshed