June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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Polymorphism
Polymorphism is a complicated name for a straightfoward concept. It is Greek for “many shapes,” and it means allowing the same code to be used with different types. In Java, it is implemented by allowing several different methods to have the same name, making it look like one method to the API user. “Name reuse” would be a better term. There are two types of polymorphism in Java: the really easy kind (overloading) and the interesting kind (overriding).
Overloading
The really easy kind of polymorphism is called overloading in Java and other languages, and it means that in any class you can use the same name for several different ...
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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.