This week's book giveaway is in the Java in General forum. We're giving away four copies of Think Java: How to Think Like a Computer Scientist and have Allen B. Downey & Chris Mayfield on-line! See this thread for details.
Good luck with that. We don't provide full solutions; we are NotACodeMill. But if you search for java web crawler you should be able to move along for now. If you encounter any problems, feel free to ask here.