November 2002
Intermediate to advanced
432 pages
9h 20m
English
Content preview from Essential .NET, Volume 1: The Common Language RuntimeBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Types and Base Types
In addition to declaring compatibility with multiple interfaces, a type can also specify at most one base type. A base type cannot be an interface, and, strictly speaking, the set of supported interfaces are not considered base types of the declaring type. Moreover, interfaces themselves have no base type. Rather, at most an interface has a set of supported interfaces just like those of a concrete type.
Non-interface types that do not specify a base type get System.Object as their base type. Base types sometimes trigger different runtime semantics from the CLR (e.g., reference vs. value type, marshal by reference, delegates). Base types can also be used to package common members into a single type that multiple types can ...
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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.
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.