January 2016
Intermediate to advanced
508 pages
12h 33m
English
book
Oracle Certified Professional Java SE 8 Programmer Exam 1Z0-809: A Comprehensive OCPJP 8 Certification Guide
by S G Ganesh, Hari Kiran, Tushar Sharma
Content preview from Oracle Certified Professional Java SE 8 Programmer Exam 1Z0-809: A Comprehensive OCPJP 8 Certification Guide
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CHAPTER 2
Java Class Design
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Certification Objectives |
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Implement encapsulation |
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Implement inheritance including visibility modifiers and composition |
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Implement polymorphism |
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Override hashCode, equals, and toString methods from Object class |
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Create and use singleton classes and immutable classes |
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Develop code that uses static keyword on initialize blocks, variables, methods, and classes |
Object-Orientation (OO) is the core of the most mainstream programming languages today. To create high-quality designs and software, it is important to get a good grasp of object oriented concepts. This chapter on class design and the next chapter on advanced class design ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.