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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 i
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Oracle Certified Professional Java SE 7 Programmer Exams 1Z0-804 and 1Z0-805 is a concise, comprehensive, step-by-step, and one-stop guide for the Oracle Certified Professional Java SE 7 Programmer Exam. The first two chapters set the stage for exam preparation and let the reader get started quickly. The first chapter answers frequently asked questions about the OCPJP exam.
This book assumes that the reader is already familiar with Java fundamentals which is in line with the prerequisite of having a OCAJP certification.
The book sports considerable supportive material to help the reader in effective exam preparation in the form of appendices:
- 2 mock tests to give the reader a sense of a real-exam.
- An instant refresher summarizing the most important concepts (with tips on answering questions) to revise just before the exam.
- Sales Rank: #864637 in Books
- Published on: 2013-02-26
- Released on: 2013-02-25
- Original language: English
- Number of items: 1
- Dimensions: 9.30" h x 1.48" w x 7.40" l, 2.45 pounds
- Binding: Paperback
- 656 pages
About the Author
S G Ganesh is a practitioner working in the area of code quality management at Siemens Corporate Research and Technologies in Bangalore. He previously worked in HP's C++ compiler team and was also a member of the C++ standardization committee. His areas of interests include OO design, design patterns, and programming languages.He is a Software Engineering Certified Instructor (IEEE certification) and has an OCPJP 7 certification.
Most helpful customer reviews
37 of 38 people found the following review helpful.
too many mistakes, outdated material
By Amazon Customer
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
By Greg
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.
6 of 6 people found the following review helpful.
Good Preparation- I passed on the first try
By Brian Croner
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.
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