The above examples show the for keyword as well as the use of ranges. Even though Kotlin is a full-fledged functional programming language, it preserves most of the object-oriented nature of Java ...

It’s easy to see why: Kotlin is simple to use, it’s functional and object-oriented, it’s compatible with Java, and it’s fully supported by Google as a first-class language for Android apps.

Kotlin as a language has a lot of similarities to Java in structure — it’s object oriented and statically typed, and designed for similar problems Java solves. But because it’s a clean slate ...

Google promotes Kotlin as a "concise" and "modern object-oriented language [that] offers a strong type system, type inference, null safety, properties, lambdas, extensions, coroutines, higher ...

Unlike the solely object-oriented Java, Kotlin uses both object-oriented and functional constructs. This means that you aren’t forced to use object oriented programming if you find it confusing ...