OCPJP 8 Upgrade from Java 6

About 1Z0-813 Exam

This Java 8 certification Upgrade exam is for those, who already have a certificate in Java SE 6 or prior versions. The 1Z0-813 exam verifies the knowledge of the new features of Java SE 7 and Java SE 8 versions: language enhancements, concurrency, localization, Java File I/O (NIO.2), lambda, Java collections, and Java streams.

All the details of the 1Z0-813 exam can be found on the Oracle site. 

How to prepare?

The best books for this exam are:

1. Java 8 Programmer II Study Guide by Esteban Herrera. This book is written for OCPJP 8 (1Z0-809) exam. But you don't need to read it completely. From Java 6 to Java 8 section contains a list of chapters to read for the Java 8 upgrade exam. 
2. Oracle Certified Professional Java SE 8 Programmer Exam 1Z0-809 is also for OCPJP 8 (1Z0-809) exam, but can be used for the 1Z0-813 as well.
3. Exam 1Z0-810: Upgrade Java SE 7 to Java SE 8 OCP Programmer Study Guide by Mikalai Zaikin is written for another upgrade exam - OCPJP 8 Update from Java 7 and cannot be used as the only source for preparation for this exam.