![]() ![]() ![]() In object-oriented programming (OOP), static methods and fields are useful to model common values or operations that do not need to be tied to an instance of a class. Then, we’ll compare the benefits of Kotlin’s way with respect to code reusability. Secondly, we’ll see how the same thing can be achieved, with much less effort, in Kotlin. In this article, we are first going to look at the legacy Java way of declaring static classes and methods. Kotlin, on the other hand, greatly simplifies the job with native constructs such as package-level functions, objects, and companion objects. However, the definition of a static class is a bit more complex. In Java, classes may easily declare static fields or methods. Similarly, to invoke a static method, we just have to know its name, not to instantiate an object of the class where such a method is defined. Generally speaking, a static class doesn’t have to be instantiated in order to be used. One of the key differences between the object-oriented model in Kotlin and Java is the definition of static methods and classes. How to create static methods and classes in Kotlin I enjoy learning and experimenting with new technologies and languages, looking for effective ways to employ them. Matteo Di Pirro Follow I am an enthusiastic young software engineer who specialized in the theory of programming languages and type safety. ![]()
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