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Oracle Certified Professional Java Se 7 Programmer Exams 1z0-804 and 1z0-805: A Comprehensive Ocpjp 7 Certification Guide (Expert's Voice in Java) Paperback – 27 Feb 2013


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Product details

  • Paperback: 656 pages
  • Publisher: Apress; 1st New edition edition (27 Feb. 2013)
  • Language: English
  • ISBN-10: 1430247649
  • ISBN-13: 978-1430247647
  • Product Dimensions: 18.8 x 3.8 x 23.6 cm
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (3 customer reviews)
  • Amazon Bestsellers Rank: 313,621 in Books (See Top 100 in Books)
  • See Complete Table of Contents

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By JIM BANNISTER on 9 May 2013
Format: Paperback Verified Purchase
Worth trying/waiting for the Sierra & Bates book instead. A little disappointed with this book. Doesn't really focus on the upgrade aspects of the exam enough.However, there are some good examples.
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By Mindaugas on 6 July 2013
Format: Kindle Edition Verified Purchase
Pretty good book for Java 7 certification regarding OCP level. I enjoy it although yet read only about 160 pages.
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Format: Paperback Verified Purchase
Very good book for learning about Java from formal point of view and learning some tips and tricks.
It also can be used to test your knowledge of Java (with regards to areas covered in the book), as it has tests that are similar to the certifcate test.
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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: 39 reviews
33 of 34 people found the following review helpful
too many mistakes, outdated material 25 Sept. 2013
By Amazon Customer - Published on Amazon.com
Format: Kindle Edition Verified Purchase
This book is teeming with mistakes. Singleton implementations are broken(the current idiom for singleton is enum singleton, static class holder(described in this book) is an idiom for safe publication only, but it does not work for singleton because there can be several classloaders in JVM) - double checked locking in this book misses volatile keyword, which is crucial. Nevertheless, the book confirms that implementation does not work and says that "the problem was reportedly fixed in Java 5". Guys, I've bought this book for Java 7 certification, of course it should reflect changes made in Java 5.

The authors also do not distinguish the difference between widening of primitive types and upcasting of classes.

The sum() method on page 166 creates n Double object wrappers, instead of using primitive double variable etc. and so on.

This book also contains many groundless optimization tips, for example it states that final classes in Java are more efficient, because "the method calls are resolved in compiler time" . That is wrong for Hotspot JVM, because it's smart enough to apply analogous optimization looking whether the method is effectively overriden in subclass or not - it's done during the classloading and has nothing to do with final keyword.
You should not justify twisting your code only by a hypothesis that there may exist some JVM where some specific optimization *may* work.

P.S. sorry for my English I'm not a native speaker.
8 of 8 people found the following review helpful
A good review but has errors 6 July 2013
By Greg - Published on Amazon.com
Format: Kindle Edition Verified Purchase
I used this book to study for the OCPJP Java 1.7 exam. It prepared me. I used Mock Exam 1 as an open book test. Good thing I did it as open-book because several answers were wrong. In particular this : Question 83 asks you to choose 1 correct answer from 4 possible code snippets. The problem is that two of them are right. The answer book says "Options b) and c) uses the finally block, which is not applicable with try-with-resource." Which is incorrect. The FINALLY clause is perfectly acceptable with try-with-resource. Some of the questions also had typographical, syntax, and grammar errors, which make it seem as if they rushed to press without bug-proofing the exams.

Otherwise, this was a good study aid. It seems comprehensive.
5 of 5 people found the following review helpful
Good Preparation- I passed on the first try 15 Mar. 2014
By Brian Croner - Published on Amazon.com
Format: Kindle Edition Verified Purchase
I bought the Kindle version. It's only like $20 or so. I'm studying for both the OCA and the OCP at the same time. I have my OCA scheduled in a few days, and I'll schedule my OCP later. I've noticed that this helps me with my OCP preparation as well as my OCA. I recommend it, as well as reading the online Oracle Java learning trails, and the enthuware.com mock exams. These three resources will help with OCP. I have an excellent book for the OCA, which of course paired with enthuware.com mock exams and the learning trails.

Update- I completed this book the first time. It's like 650 pages. I will re-read it and then take the enthuware mock exams I bought (which they updated for me recently). I like the book, I like the writing style, I believe in the content, and it's nice to have somebody gather this information for me in a way that helps me target the exam. I'll update this when I get results on my exam. My recommendation is to read it twice, and I'm following my own recommendation. 650 pages is a lot of information to take in.

Update- After reading this book twice, taking and reviewing both included exams, reading the online Oracle.com Javadocs for the OCP JP SE 7 certification, getting a wee bit of practical experience, and taking and reviewing all 5+1 associated Enthuware exams, I passed the 804 exam on my first try. I got a 70%, where 65% is a passing score. This book was an important introductory step toward getting this certification. The study process up to today (June 9 2014 pass) took me 6 months of part-time study.

I recommend studying this book as a part of the above steps to prepare for the 804 exam.
4 of 4 people found the following review helpful
Oracle Certified Professional Java SE 7 27 April 2013
By Sebastiaan Heunis - Published on Amazon.com
Format: Paperback Verified Purchase
A good book to prepare you for the 1Z0-804 exam. Before reading the book, I hadn't used a lot of the topics covered in the exam (localisation, concurrency and NIO) and I thought the book did a pretty good job of explaining these topics and providing good code examples to reinforce the theory. Only reason that I'm giving it a 4 is that I found quite a lot of errors. The authors have an errata sheet on their website, so If you use that in conjunction with the book, you will be fine.
4 of 4 people found the following review helpful
Blog and Errata 3 Jan. 2014
By Bruno B. - Published on Amazon.com
Format: Paperback
Before you start reading this book, I recommend you read the writers' blog ([...] There is a special page about "Errata".
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