This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
To upgrade your SCJP 1.4 certification to Java version 7, you may not write this exam (OCA Java SE 7 Programmer 1 Certification - exam number 1Z0-803). Candidates who have previously earned their Java Programmer certification (SCJP/ OCPJP) any version, can write one 'upgrade' exam to earn the OCP Java SE 7 Programmer II Certification. FYI, you can find the relevant details using the following link: