March 2021
Intermediate to advanced
768 pages
15h 31m
English
Content preview from Job Ready Java
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Lesson 14Object-Oriented Concepts
In this lesson, we are going to look at some general object-oriented concepts. We will explore different ways of abstracting problems, define object orientation (one way to abstract problems), describe the characteristics of an object-oriented language, and discuss the concept of public interface vs. private implementation.
ABSTRACTION
There are many ways to approach a particular problem that you are trying to solve. One approach is to start with the model of the solution space and then attempt to map the problem into it. This is the approach of many languages.
Assembly language closely matches the underlying computer mechanics. If you want to solve a particular problem, you must think in terms of how the computer works first and then figure out how to map the problem into that paradigm. This means that you must think about problems in terms of binary numbers, registers, addition, and subtraction. This requires you to understand how to do things like move data into registers, ...
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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.
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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.