- Series: Oracle Press
- Paperback: 672 pages
- Publisher: McGraw-Hill Education; 3 edition (August 7, 2014)
- Language: English
- ISBN-10: 9780071826785
- ISBN-13: 978-0071826785
- ASIN: 0071826785
- Product Dimensions: 7.6 x 1 x 9.2 inches
- Shipping Weight: 1.9 pounds (View shipping rates and policies)
- Average Customer Review: 23 customer reviews
- Amazon Best Sellers Rank: #850,886 in Books (See Top 100 in Books)
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OCM Java EE 6 Enterprise Architect Exam Guide (Exams 1Z0-807, 1Z0-865 & 1Z0-866) (Oracle Press) 3rd Edition
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About the Author
Paul R. Allen (New York, NY) is a principal of UCNY, Inc., an international consulting firm that helps Fortune 500 companies improve operations through the use of web, database, and object technology.
Joseph J. Bambara (New York, NY) is a principal of UCNY, Inc. He has been developing application systems for more than 30 years and is also an attorney specializing in intellectual property.
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10. Which of the following conditions must be true for the inheritance relationship to be plausible?
A. A subclass object is a kind of the superclass object.
B. If you substitute a subclass for a superclass, the code should find that all the methods it expected to find in the superclass are still provided and accessible.
C. A subclass can inherit from multiple superclasses.
D. A subclass can inherit from one and only one superclass.
they also provide the answer :
10. A, B, and C. These are correct because a subclass object is a kind of the superclass object, and all attributes and methods from the superclass are included in the subclass. D is incorrect. A subclass can inherit from multiple superclasses.
So Java now supports multiple inheritance ?
It seems that they are referring to C can inherit from B which inherits from A (or are they talking interfaces but calling them classes ?)
But how on earth would you know this is what the question meant ?
A lot of these multiple choice questions are subjective. Their answer may not be the most correct answer.
So, even if you know the subject inside out, you will probably loose 10-15% of the marks, as answers are subjective, and automated robot which marks the exam, may not agree with you.
So someone who knows everything, could get 85% max
The passmark is 71% for exam
Not much room for error, even if you know everything.
I am wondering if this exam is a lost cause . Anyone have any different experience ?
The preparation for the second part of the exam is weak and is missing UML Component and Sequence diagrams. After trying contact with MH Professional I got no response about the missing diagrams, so I had to look for other sources.
I found errors in the questions both in the book and in the CD, which are published in the product Errata, and it took some reasonable time to actually get my assumptions approved.
The CD simulation had almost no question covering architectural decisions, rather covering mostly obvious technical questions, many repeated from the book. The first exam for the certification requires great skills on deciding what architecture should be used, and how to solve a complex scenario.
I honestly expected more. The book has excellent architecture and design content, but failed in some crucial points.
This book is the entry point to keep preparing. The architect certification is broad and difficult, so, although this helps you to get started, you should have experience coding Java EE apps and keep reading other books. IMO is impossible to cover all subjects in just one book, there are many specs involve and this book makes a decent review one by one. ah! and there is a scenario solved that covers part two and three of the exam.
The cd works "good enough" in my dual boot ubuntu (wine) and perfectly in windows.
If the question is: Should I buy it?, i will say yes, there are others books but that are focused on JavaEE5 and some things have changed (even exam objectives) and also, there are many topics that you shouldn't miss.
Note: as for the certification a good understanding of EJB will help you a lot.