This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
You need to download blackberry java APIs and get a code signer for your applications to run on blackberry device. The code signer will cost you $20 for one time fee, without which you cant deploy application on your blackberry device.