This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
The path will be relative to the current working directory, the current directory when the process was launched. You're probably expecting something else. Try calling getAbsolutePath() on your File object to see how your path is being interpreted.