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    Название:   Java to Kotlin: A Refactoring Guidebook (Third Early Release)
    Автор:   Duncan McGregor, Nat Pryce
    Формат:   EPUB
    Размер:   10.1 MB
    Год:   2021-05-06
    Качество:   Отличное
    Язык:   Английский
    Страниц:   251

We started writing a book that would, but it soon became clear that Kotlin is a large language, and so the book was going to have to be big. There are also already some splendid books in that space, and we don’t like competing against splendid. We decided instead to make our lives easier by concentrating on teaching Kotlin to Java developers, based on a workshop that we run called Refactoring to Kotlin. This teaches the Kotlin language through converting existing code, and is a designed for Java teams wanting to leverage their existing knowledge to accelerate their Kotlin journey.

Kotlin has raised the bar for programming languages on the Java Virtual Machine with its compatibility, readability, efficiency, and tool support. But adopting a new language can be daunting, especially when you're working with business-critical Java code that must meet changing requirements.

This book takes a novel approach to introducing Kotlin to Java programmers: showing you how to gradually refactor Java code to idiomatic Kotlin while continuing to evolve its functionality. But converting Java to Kotlin is just the starting point. Kotlin has many features beyond Java.

Using worked examples, authors Duncan McGregor and Nat Pryce guide you through honing the converted code to make it simpler, more efficient, more expressive, and easier to change. You'll learn how to take advantage of functional constructs to improve program structure, reliability, and error handling.

Once you finish this book, you'll be confident writing Kotlin from scratch, converting your existing Java when appropriate, and managing a mixed Java-Kotlin codebase as it evolves over time.

We expect you’re an experienced programmer who knows Java and the Java ecosystem well. You probably have experience in a number of other languages. You’ve learned the basics of Kotlin, and you recognise that to get the best out of the language you will need to design your systems differently. You have found that some things that are cumbersome in Java are much easier in Kotlin, but that some features, such as checked exceptions, are not present. You don’t want to end up merely writing Java code in Kotlin syntax.