Hujiang Technology
May 25, 2017 · Mobile Development
Kotlin Basics: Functions, Nullability, In Keyword, Type Checks, and When Expressions
This article introduces core Kotlin language features—including function definitions, nullable types and null‑checking, the use of the in keyword for ranges and collections, type checking with is, and the when expression—providing code examples and explanations for Android developers.
KotlinMobile DevelopmentNullability
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