Google announced official support for the Kotlin Programming language at google io 2017. In this video we will learn how to migrate our existing Java Android projects to the Kotlin language by using the automated Kotlin Conversion tools. In the process, we will also learn Kotlin language fundamentals, including the null safety features of the language, safe call operator, and how statics are represented in Kotlin.
Class extensions are a powerful feature of Kotlin that allow you to add behavior to classes without extending them. In this video we will take a look at how to work with class extensions, some of the subtleties of how class extensions work with custom objects, and how to define your own class extensions to simplify your code.