OCPJP 8 Upgrade from Java 6
About 1Z0-813 Exam
This Java 8 certification Upgrade exam is for those, who already has 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:
- 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.
- 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.
- 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 one source for preparation to this exam.
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Types of integer literals in java - decimal, octal, hexadecimal and binary. Floating-point, boolean and character literals. Underscores in numeric literals.
Description of switch-case-default statement in java, its syntax and examples. Using of the String object in the switch expression in Java 7.
Lambda expressions, method references, java.util.function interfaces: Predicate, Supplier, Consumer, Function, their primitive and binary specializations.
Using try-catch and finally block in Java. Handle multiple exceptions in one block. The AutoCloseable resource in the try-with-resources statement in Java 7.