September 2005
Beginner
576 pages
13h 6m
English
Content preview from SAMS Teach Yourself Programming with Java™ in 24 Hours, FOURTH EDITION
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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.
Q&A
| Q1: | Can a class have more than one superclass so that it inherits additional methods and behavior? |
| A1: | It is possible with some object-oriented programming languages, but not Java. One of the goals when Java was developed was to provide a simpler language than an object-oriented language such as C++, and limiting inheritance to a single superclass was one way to achieve this. You can use a special type of class called an interface to inherit behavior that isn't received from superclasses. |
| Q2: | Most Java programs created up to this point have not used extends to inherit from a superclass. Does this mean they exist outside of the class hierarchy? |
| A2: | All classes you create in Java are part of the hierarchy because the default superclass for the ... |
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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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