April 2011
Intermediate to advanced
1168 pages
36h 26m
English
book
Java™ for Programmers: Deitel Developer Series, Second Edition
by Paul Deitel - Deitel & Associates, Inc., Harvey Deitel - Deitel & Associates, Inc.
Content preview from Java™ for Programmers: Deitel Developer Series, Second Edition
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Chapter 3. Introduction to Classes, Objects, Methods and Strings
Nothing can have value without being an object of utility.
—Karl Marx
Your public servants serve you right.
—Adlai E. Stevenson
You’ll see something new. Two things. And I call them Thing One and Thing Two.
—Dr. Theodor Seuss Geisel
Objectives
In this chapter you’ll learn:
• How to declare a class and use it to create an object.
• How to implement a class’s behaviors as methods.
• How to implement a class’s attributes as instance variables and properties.
• How to call an object’s methods to make them perform their tasks.
• What instance variables of a class and local variables of a method are.
• How to use a constructor to initialize an object’s data.
• The differences ...
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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.