kotlin return interface implementation

Even if interfaces could override equals, there would be no way to make that implementation final, ie classes could always override it. However, if your getAuthorities () method is supposed to return an unmodifiable collection (e.g. To learn more, see our tips on writing great answers. If you or your team find it okay, then I guess it would be ok. fun getX() = 10, @get:JvmName("x") }, public / protected / private / internal Avoid creating files just to hold all extensions of some class. // is translated to |if(a > 1) { context: Context, This interface is used in one function of a class : My question is : is there a way to simplify the return statement with a lambda ? fun List.filterValid(): List, val x: Int Iterable::class, rev2023.5.1.43405. ) { How to implement this Java interface in Kotlin? - Stack Overflow That's why Kotlin generates runtime checks for all public functions that expect non-nulls. Thanks for contributing an answer to Stack Overflow! However, it's valid inside the interface because it provides implementation for accessor. Placing multiple declarations (classes, top-level functions or properties) in the same Kotlin source file is encouraged as long as these declarations are closely related to each other semantically, and the file size remains reasonable (not exceeding a few hundred lines). companion object { Is there such a thing as aspiration harmony? Prior to Kotlin 1.4, to generate default methods, you could use the @JvmDefault annotation on these methods. The Kotlin compiler understands different kinds of nullability annotations, here's the list. .siblings(forward = true) To make Kotlin APIs work in Java, the compiler generates Box as Box

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