June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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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.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.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.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.
What Is a Class?
In a way, Object Oriented Programming (OOP) is a misnomer, as the fundamental things we're dealing with are classes. Perhaps it should have been called “Class-based Programming”, but it's too late to change now. So what's a class, and what's an object? There are several different ways of coming at this, and we'll try a couple of them. If you are already familiar with OOP, then just skim through the chapter to pick up the Java specifics. Be sureto visit the “What Is an Object?” section, which describes an object-oriented feature handled differently in Java (reference types).
Declaring a variable
To get a good understanding of OOP, you need to understand data types in procedural (non-OOP) languages. The idea of representing ...
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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.