1/14/2024 0 Comments Parametic polymorphism java![]() Even the section on the official Java tutorial on Oracle website, Polymorphism is treated in a subsection under Inheritance. Polymorphism is usually introduced as part of teaching inheritance and subtyping in Java. Influenced by my background with Java, I had formed a mental model that inescapably tied polymorphism together with inheritance and subtyping. ![]() Right?Īt least, this was the case for me. In fact, you might have got to learn about polymorphism while learning about the concept of inheritance and subtyping. If you are reading this post and you've only programmed using Object Oriented Programming languages like Java or C#, chances are that you already have a mental model of what polymorphism is.Īnd If I would make a guess, I would say the mental model you have is more or less about inheritance and subtyping. This post will be about polymorphism.īut why Polymorphism you might ask? isn't this series about the Type class pattern? Why do we have a single post dedicated to Polymorphism?Īs it turned out, the type class pattern is really just one approach to writing polymorphic code.Īnd from experience, having a more in-depth appreciation for what Polymorphism is, will go a long way in understanding the why and how of the Type class pattern: which is why, before I go into the actual mechanism of encoding the Type class pattern in Scala, I think it will be of utmost benefit to first explore polymorphism. This post is part of the Type class knowledge pack series in which I explore the pattern for encoding Type classes in Scala.
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