Chapter 3
Connect Layouts and Widgets to Kotlin Functions
Section 3
Convert Java to Kotlin
It's easy to learn Kotlin if you already know Java. It's also easy to convert a Java program to a Kotlin program, one line at a time. Simply use Android Studio's built in feature to convert Java to Kotlin. - Strategies for converting a java programmer to Kotlin - Borrow an existing Java networking utility - Convert the Java networking utility to Kotlin