This is where things become… complicated. ![]() ![]() Kotlin’s “internal” Modifier as Seen From Java and task orchestration through its flexible Groovy or Kotlin DSL. In the above example, the Foo class will only be accessible from a particular Maven module (or equivalents for other build tools). We definitely have code colocation, but if there are no well defined relationships. Introducing Kotlin’s “internal” Modifierįor those that do not know, internal modifier restricts the visibility of an element to a particular module: internal class Foo In fact, it is even more flawed than package-privacy because. So… I wonder how Kotlin’s internal classes are represented in and seen from pure Java then? Due to Kotlins 100 Java interop policy, internal by that logic is as flawed as package-privacy. It’s not surprising since it was built on top of the JVM and a lot of its syntax sugar is actually implemented by using standard Java features!įor example, if we define an extension method on a standard String class, underneath it’s just a standard static method: fun String.asHelloWorld() : String = "Hello $this" Kotlin is a modern programming language with a lot more syntactic sugar compared to Java, and as such there is equally more black magic going on behind the scenes, some of it having. The CoroutineContext type is required for a coroutine to execute. The use of async usually creates a Deferred job, which is a subclass of the Job class. ![]() Then the dynamic aspect is modeled as a Job class. Kotlin features almost excellent compatibility with Java. A coroutine internally uses a Continuation class to capture the contexts for its execution.
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