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.
i am currently preparing for ocjp6, i have a guide(bert & kathy). i studied all the topic but when it comes to solving problem i cant really solve it. so can anyone can give some tips on it, it will be useful to me.