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 tricky question. I use ant to build and package final sumbission.jar, in order to avoid mistakes. The root of submission jar MUST contain the original db file provided. But ant updates the last modified date of the data file. Is the file still considered identical, or should I repack the database file manually, using OS copy (which does not update the last modified date)?