TLDR
Kotlin's type system is aimed to eliminate NullPointerException's from our code. Less lines of code, same meaning, easy refactoring and easy debugging but all of this comes at the cost of more COMPILATION time. Kotlin Handles the long problem of dealing with null references in Kotlin. The language's OOP (OOP) style is much more intuitive than Java's. Java's classes are not final by default; Kotlin is forced to use the open keyword.via the TL;DR App
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