June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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Chapter 2. Introducing Objects
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What Is a Class?
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What Is an Object?
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Java Digital Clock Program
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Summary
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Exercises
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Some Light Relief—Napster and LimeWire
Here's where we get to grips with a real Java program. Follow the steps in Appendix A to download a Java compiler. Then you can type in source code and test examples as we go along.
The chapter presents some basics of Object Oriented Programming (OOP). We'll explain exactly what language designers mean by a type, and relate that to the objects in OOP. We'll develop a type called Timestamp, then add a couple of other types to turn it into a complete program. Along the way, we'll clarify the super-important distinction between “an object” and “a reference ...
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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.