October 2023
Beginner to intermediate
238 pages
4h 49m
English
Content preview from Visual Basic Quickstart Guide
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14
Polymorphism
Polymorphism is a fundamental concept in programming and is often associated with object-oriented programming (OOP). It allows objects of different classes to be used as objects of a common superclass or interface, providing a consistent interface to interact with these objects regardless of their specific types.
In this chapter, we’re going to cover the following main topics:
- Polymorphism
- Abstract classes
- Sealed classes
Polymorphism
Polymorphism allows a programmer to specialize functionality based on a context; the programming language will use the proper version. There are two main types of polymorphism:
- Compile-time (static) polymorphism: Also known as method overloading or compile-time method dispatch, this type of polymorphism ...
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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.