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Familiarize yourself with all of Kotlin's features with this in-depth guideAbout This BookGet a thorough introduction to KotlinLearn to use Java code alongside Kotlin without any hiccupsGet a complete overview of null safety, Generics, and many more interesting featuresWho This Book Is ForThe book is for existing Java developers who want to learn more about an alternative JVM language. If you want to see what Kotlin has to offer, this book is ideal for you.What You Will LearnUse new features to write structured and readable object-oriented codeFind out how to use lambdas and higher order functions to write clean, reusable, and simple codeWrite unit tests and integrate Kotlin tests with Java code in a transitioning code baseWrite real-world production code in Kotlin in the style of microservicesLeverage Kotlin's extensions to the Java collections libraryUse destructuring expressions and find out how to write your ownWrite code that avoids null pointer errors and see how Java-nullable code can integrate with features in a Kotlin codebaseDiscover how to write functions in Kotlin, see the new features available, and extend existing librariesLearn to write an algebraic data types and figure out when they should be usedIn DetailKotlin has been making waves ever since it was open sourced by JetBrains in 2011; it has been praised by developers across the world and is already being adopted by companies. This book provides a detailed introduction to Kotlin that shows you all its features and will enable you to write Kotlin code to production.We start with the basics: get you familiar with running Kotlin code, setting up, tools, and instructions that you can use to write basic programs. Next, we cover object oriented code: functions, lambdas, and properties - all while using Kotlin's new features.Then, we move on to null safety aspects and type parameterization. We show you how to destructure expressions and even write your own. We also take you through important topics like testing, concurrency, microservices, and a whole lot more. By the end of this book you will be able to compose different services and build your own applications.Style and approachAn easy to follow guide that covers the full set of features in Kotlin programming.