[JavaSE series] Java object-oriented composition polymorphism and interface

⭐ ♪ previous words ⭐ ️ This article introduces you to the basic knowledge of Java - composition, polymorphism and interface, friends, long time no see, question A left to readers in the previous blog post package and inheritance. This article will introduce polymorphism and interfaces in detail. The inheritance introduced last time is the basi ...

Posted by LucienFB on Tue, 23 Nov 2021 10:30:33 -0800

C#Polymorphic Details

  Definition why? public class Master { public void Feed(Dog dog) { dog.eat(); } public void Feed(Cat cat) { cat.eat(); } /* public void Feed(XXX xxx) //XXX Represents the parent class { xxx.eat(); } */ ...

Posted by Bill Dew on Wed, 13 Oct 2021 11:25:52 -0700