March 2025
Intermediate to advanced
2016 pages
69h 59m
English
book
OCP Oracle Certified Professional Java SE 21 Developer (Exam 1Z0-830) Java SE 17 Developer (Exam 1Z0-829) Programmers Guide
by Khalid A. Mughal, Vasily A. Strelnikov
Content preview from OCP Oracle Certified Professional Java SE 21 Developer (Exam 1Z0-830) Java SE 17 Developer (Exam 1Z0-829) Programmers Guide
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Basic Elements, Primitive Data Types, and Operators 2
Chapter Topics
Overview of basic language elements in Java: identifiers, keywords, separators, literals, whitespace, and comments
Overview of primitive data types defined in Java: integral, floating-point, and boolean
Representing integers in different number systems and in memory
Understanding type conversion categories and conversion contexts, and which conversions are permissible in each conversion context
Defining and evaluating arithmetic and boolean expressions, and the order in which operands and operators are evaluated
Using Java operators, including precedence and associativity rules ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.