March 2010
Intermediate to advanced
984 pages
21h 13m
English
Content preview from Essential C# 4.0
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7. Interfaces
POLYMORPHISM IS AVAILABLE not only via inheritance (as discussed in the preceding chapter), but also via interfaces. Unlike abstract classes, interfaces cannot include any implementation. Like abstract classes, however, interfaces define a set of members that callers can rely on to support a particular feature.
By implementing an interface, a class defines its capabilities. The interface implementation relationship is a “can do” relationship: The class can do what the interface requires. The interface defines the contract between the classes that implement the interface and the classes that use the interface. Classes that implement interfaces define methods with the same signatures as the implemented interfaces. This chapter discusses ...
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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.