State encapsulation or lamba expression with closure when implementing stateful functions? Is Java or Kotlin better suited for either one of those 2 approaches? Let’s find out… Use case To compare implementations in Kotlin and Java, we will build a very simple feature, create a function that can count how many times it was called. …
I’m a big fan of extension functions in Kotlin, for me it’s another tool in our toolbox to give the developer additional options as an API designer or consumer, but this post is not about the philosophical discussion of the merits of extension functions, like the ability to chain utility functions vs. the issues that …
This dog obviously doesn’t seems to agree with the title, but looks like the Kotlin compiler might have a different idea about this! Below is a very small experiment using the Spring Reactive Flux api from Project Reactor (version 3.1.7) to illustrate how sometimes a dog is not always an animal: It seems like directly …