Object-Oriented Python by Irv Kalb
Author:Irv Kalb [Irv Kalb]
Language: eng
Format: epub, mobi, pdf
Publisher: No Starch Press
Published: 2022-01-25T00:00:00+00:00
A Classic Example of Polymorphism in Programming
In terms of OOP, polymorphism is about how client code can call a method with the exact same name in different objects, and each object will do whatever it needs to do to implement the meaning of that method for that object.
The classic example of polymorphism is to consider code that represents different types of pets. Letâs say you have a collection of dogs, cats, and birds, and each understands some basic commands. If you ask these pets to speak (that is, you send the âspeakâ message to each), the dogs will say âbark,â the cats will say âmeow,â and the birds will say âtweet.â Listing 9-1 shows how we might implement this in code.
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