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.
Java has no built-in module to generate .ppt files that I know of. For the Microsoft junkies, Visual J++ has a library which can create dynamic powerpoint slides. You might want to look at it (if you're willing to conquer the world of Microsoft Visual * programming).