From Java to Kotlin. McGregor D.

The book describes the practical techniques for refactoring and transferring the code written on Java mobile applications for Android to Kotlin with preservation of compatibility. A detailed comparison of these two languages ​​is given, examples of translating projects from Java to Kotlin are given, adding Kotlin support to Java assembly. The transition from Java classes to Kotlin classes is shown, from Java collections to Kotlin collections, from Javabeans objects to values, from static methods to top -level functions. Error processing is considered in detail, practical techniques for managing projects with a mixed code base are given. Given tips for refactoring code and functional programming on Kotlin.