Programmers dont just use Kotlin they love it. Even Google has adopted it as a firstclass language for Android development. With Kotlin you can intermix imperative functional and objectoriented styles of programming and benefit from the approach thats most suitable for the problem at hand. Learn to use the many features of this highly concise fluent elegant and expressive statically typed language with easytounderstand examples. Learn to write easytomaintain highperforming JVM and Android applications create DSLs program asynchrony and much more. Kotlin is a highly concise elegant fluent and expressive statically typed multiparadigm language. It is one of the few languages that compiles down to both Java bytecode and JavaScript. You can use it to build serverside frontend and Android applications. With Kotlin you need less code to accomplish your tasks while keeping the code typesafe and less prone to error. If you want to learn the essentials of Kotlin from the fundamentals to more advanced concepts youve picked the right book. Fire up your favorite IDE and practice hundreds of examples and exercises to sharpen your Kotlin skills. Learn to build standalone small programs to run as scripts create type safe code and then carry that knowledge forward to create fully objectoriented and functional style code thats easier to extend. Learn how to program with elegance but without compromising efficiency or performance and how to use metaprogramming to build highly expressive code and create internal DSLs that exploit the fluency of the language. Explore coroutines program asynchrony run automated tests and intermix Kotlin with Java in your enterprise applications. This book will help you master one of the few languages that you can use for the entire full stack from the server to mobile devices to create performant concise and easy to maintain applications. What You Need To try out the examples in the book youll need a computer with Kotlin SDK JDK and a text editor or a