Java To Kotlin

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Java To Kotlin

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Author : Duncan McGregor
language : en
Publisher:
Release Date : 2021

Java To Kotlin written by Duncan McGregor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.

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.

Java To Kotlin

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Author : Duncan McGregor
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2021-08-15

Java To Kotlin written by Duncan McGregor and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-15 with Computers categories.

It takes a week to travel the 8,000 miles overland from Java to Kotlin. If you're an experienced Java developer who has tried the Kotlin language, you were probably productive in about the same time. You'll have found that they do things differently in Kotlin, though. Nullability is important, collections are different, and classes are final by default. Kotlin is more functional, but what does that mean, and how should it change the way that you program? And what about all that Java code that you still have to support? Your tour guides Duncan and Nat first made the trip in 2015, and they've since helped many teams and individuals follow in their footsteps. Travel with them as they break the route down into legs like Optional to Nullable, Beans to Values, and Open to Sealed Classes. Each explains a key concept and then shows how to refactor production Java to idiomatic Kotlin, gradually and safely, while maintaining interoperability. The resulting code is simpler, more expressive, and easier to change. By the end of the journey, you'll be confident in refactoring Java to Kotlin, writing Kotlin from scratch, and managing a mixed language codebase as it evolves over time.

Kotlin For Java Developers

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Author : José Dimas Luján Castillo
language : en
Publisher: Packt Publishing Ltd
Release Date : 2025-10-31

Kotlin For Java Developers written by José Dimas Luján Castillo and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-10-31 with Computers categories.

Written by Jose Dimas Lujan Castillo and Ron Veen - seasoned developers with deep expertise in Java and Kotlin - this practical guide teaches Kotlin through side-by-side Java comparisons, real-world examples, and clear explanations of modern language features. Key Features Learn Kotlin by drawing direct comparisons to core Java concepts Understand null safety, coroutines, extension functions, and DSLs through practical examples Use Kotlin confidently in backend, Android, and cross-platform development Purchase of the print or Kindle book includes a free PDF eBook Book Description This book is a hands-on programming guide for Java developers who want to gain practical, production-ready knowledge of Kotlin. Whether you’re maintaining Java systems or adopting Kotlin for Android, backend, or cross-platform projects, it will help you bridge the gap by building on your existing understanding of Java’s syntax and design principles. You’ll begin by learning why Kotlin was created and how it improves on Java – exploring types, expressions, control flow, and null handling while mapping each concept to familiar Java constructs. Each topic is introduced with clear purpose, showing how Kotlin’s concise syntax, safety features, and expressive APIs lead to cleaner, more maintainable code. As you progress, you’ll master object-oriented and functional programming, extension functions, smart casting, and interoperability with Java. The second half of the book dives into generics, data and sealed classes, coroutines for concurrency, and DSL design – demonstrating when and why to use these features to build scalable, elegant solutions. By the end, you’ll not only write idiomatic Kotlin but also understand the reasoning behind its design, enabling you to craft modern, reliable applications with confidence. What you will learn Write Kotlin programs using variables, functions, and control flow Model real-world data with classes, properties, and constructors Handle missing data safely with nullable types and safe calls Simplify logic using lambdas and extension functions Work with Kotlin collections and sequences to process data efficiently Use Kotlin with Java, Gradle, and Maven for seamless project builds Write non-blocking code using coroutines and Async flows Create custom DSL for your projects Who this book is for This book is for software developers who are proficient in Java and want to learn Kotlin for professional application development. It’s especially relevant for Android engineers, JVM backend developers, and full-stack programmers who maintain or extend Java systems. Familiarity with core Java syntax and object-oriented programming is expected.

The Basics Of Programming In Kotlin

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Author : Moaml Mohmmed
language : en
Publisher:
Release Date : 2019-06-17

The Basics Of Programming In Kotlin written by Moaml Mohmmed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-17 with categories.

* A book containing examples and explanations of examples* For beginners, there is a special section for professionals* It brings you more and more understandingAt the I / O 2017 conference, Google announced its support for the Kotlin programming language for Android application development and will be included in the new version of Android Studio 3.0, and no additional installation settings are required.Java and Kotlin are among the most popular programming languages used by Google to develop Android applications. Since 2011, Kotlin has emerged as a new language for Java Virtual Machine, developed by a team of St. Petersburg programmers called Jet Brains.The team launched the first stable version of Kotlin last year Kotlin 1.0, and since then they released the new update kotlin 1.1 in early March, and soon began to talk about the world, and also loved by the software community! The team receives and relies on language suggestions during development, as well as Open Source on Github, and of course as a programmer this is great for you To compare now between them and Java, of course we must first make clear that Kotlin is not here to replace Java at all, any code written in Java will work with Kotlin and vice versa!Kotlin requires fewer lines of codeLess by about 20%. As we know the age of the language of Java 22 years, created by Oracle to be compatible with the above, which means that each new version to support features exist in the versions that preceded it, so with each update becomes more difficult to include new features, It is written every time.In contrast, Kotlin was built from scratch, meaning the absence of the structure of the layers stacked on top of each other.Less collapses occur with KotlinJTM's JTM has fewer problems compared to the so-called "one billion dollar mistake" - any problem with NullPointerExeption - that can be avoided here. This problem exists in all programming languages, but different ways to deal with it. For example, in Java you have to manually check if the link is null or not, and if you make a mistake, surprise the program has collapsed! In Kotlin, all object objects are set to Null as well as automatic verification of the NullPointer exception, to ensure that the code works properly without it.Kotlin saves you a lot of time!Fewer codes guarantee fewer software errors, and therefore less time spent on coding. Typically, any software development team calculates the total cost of the project according to the number of encoding hours.Interop interoperabilityYou might wonder how this will affect the code you wrote? Do not worry, as I mentioned earlier, Kotlin is not here to replace Java, but they are perfectly compatible. Which means that you can write part of the code using Java and the rest using a Kotlin and will work together without problems.In addition, there is a tool in Android Studio that translates java into Kotlin, and it works very well, giving you a glimpse of what the Kotlin Java method looks like.

Kotlin Programming Cookbook

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Author : Rashi Karanpuria
language : en
Publisher: Packt Publishing Ltd
Release Date : 2018-01-25

Kotlin Programming Cookbook written by Rashi Karanpuria and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-25 with Computers categories.

Discover Android programming and web development by understanding the concepts of Kotlin Programming Key Features Practical solutions to your common programming problems with Kotlin 1.1 Leverage the functional power of Kotlin to ease your Android application development Learn to use Java code in conjunction with Kotlin Book Description The Android team has announced first-class support for Kotlin 1.1. This acts as an added boost to the language and more and more developers are now looking at Kotlin for their application development. This recipe-based book will be your guide to learning the Kotlin programming language. The recipes in this book build from simple language concepts to more complex applications of the language. After the fundamentals of the language, you will learn how to apply the object-oriented programming features of Kotlin 1.1. Programming with Lambdas will show you how to use the functional power of Kotlin. This book has recipes that will get you started with Android programming with Kotlin 1.1, providing quick solutions to common problems encountered during Android app development. You will also be taken through recipes that will teach you microservice and concurrent programming with Kotlin. Going forward, you will learn to test and secure your applications with Kotlin. Finally, this book supplies recipes that will help you migrate your Java code to Kotlin and will help ensure that it's interoperable with Java. What you will learn Understand the basics and object-oriented concepts of Kotlin Programming Explore the full potential of collection frameworks in Kotlin Work with SQLite databases in Android, make network calls, and fetch data over a network Use Kotlin's Anko library for efficient and quick Android development Uncover some of the best features of Kotlin: Lambdas and Delegates Set up web service development environments, write servlets, and build RESTful services with Kotlin Learn how to write unit tests, integration tests, and instrumentation/acceptance tests. Who this book is for This book will appeal to Kotlin developers keen to find solutions for their common programming problems. Java programming knowledge would be an added advantage.

Kotlin

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Author : 陈光金编著
language : zh-CN
Publisher: 清华大学出版社（崧博）
Release Date : 2018-09-01

Kotlin written by 陈光金编著 and has been published by 清华大学出版社（崧博） this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-01 with Computers categories.

本书从Kotlin语言的基础语法讲起，逐步深入到Kotlin进阶实战，并在最后配合项目实战案例，重点介绍了使用Kotlin+Spring Boot进行服务端开发和使用Kotlin进行Android应用程序开发的内容，让读者不但可以系统地学习Kotlin编程的相关知识，而且还能对Kotlin应用开发有更为深入的理解。 本书分为14章，涵盖的主要内容有Kotlin简介，Kotlin语法基础，类型系统与可空类型，类与面向对象编程，函数与函数式编程，扩展函数与属性，集合类，泛型，文件I/O操作、正则表达式与多线程，使用Kotlin创建DSL，运算符重载与约定，元编程、注解与反射，Kotlin集成Spring Boot服务端开发，使用Kotlin进行Android开发。 本书内容通俗易懂，案例丰富，实用性强，特别适合Kotlin语言的入门读者和进阶读者阅读，也适合Android程序员、Java程序员等其他编程爱好者阅读，还适合作为相关培训机构的教材。

Kotlin Mastery

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Author : Arnika Patel
language : en
Publisher: Springer Nature
Release Date : 2025-09-30

Kotlin Mastery written by Arnika Patel and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-09-30 with Computers categories.

Enhance your programming toolkit and build robust applications by mastering Kotlin. This book connects Java and Kotlin through side-by-side code samples and practical demonstrations. Java programmers and up-and-coming developers seeking to learn Kotlin need to do so with confidence. Starting with the fundamentals of basic syntax, this book will cover data types, variables, control flow statements. From there move on to advanced topics like object-oriented programming concepts with null safety, lambdas, functions, inheritance and coroutines. Additionally, you’ll delve into practical applications such as designing custom domain-specific languages, working with Kotlin Multiplatform, and leveraging reactive extensions. With numerous hands-on exercises and real-world examples, you'll gain the expertise needed to explore advanced projects. What You Will Learn Explore object-oriented and functional programming with Kotlin to create modular code. Review Kotlin’s techniques for error handling and exception management. Implement Kotlin coroutines for efficient concurrency and asynchronous task management. Design custom domain-specific languages and use the Kotlin standard library for string manipulation and file handling. Who This Book is For: Java developers and programmers looking to master Kotlin.

Kotlin For Enterprise Applications Using Java Ee

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Author : Raghavendra Rao K
language : en
Publisher: Packt Publishing Ltd
Release Date : 2018-11-30

Kotlin For Enterprise Applications Using Java Ee written by Raghavendra Rao K and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-30 with Computers categories.

Build Java Enterprise Applications and learn how Kotlin makes it easier to code them using components like JSF 2.3, Enterprise JavaBeans (EJB) 3.2, Contexts and Dependency Injection (CDI) 2.0, the Java API for WebSockets, JAX-RS 2.1, Servlet 4.0. Key FeaturesAn in-depth guide updated with all the latest features of Kotlin 1.2 and Java EE 8Build microservices in Java EE with the help of Kotlin use casesExplore coroutines, garbage collection, multithreading, memory management and moreBook Description Kotlin was developed with a view to solving programmers’ difficulties and operational challenges. This book guides you in making Kotlin and Java EE work in unison to build enterprise-grade applications. Together, they can be used to create services of any size with just a few lines of code and let you focus on the business logic. Kotlin for Enterprise Applications using Java EE begins with a brief tour of Kotlin and helps you understand what makes it a popular and reasonable choice of programming language for application development, followed by its incorporation in the Java EE platform. We will then learn how to build applications using the Java Persistence API (JPA) and Enterprise JavaBeans (EJB), as well as develop RESTful web services and MicroServices. As we work our way through the chapters, we’ll use various performance improvement and monitoring tools for your application and see how they optimize real-world applications. At each step along the way, we will see how easy it is to develop enterprise applications in Kotlin. By the end of this book, we will have learned design patterns and how to implement them using Kotlin. What you will learnUnderstand Kotlin syntax and appreciate why it’s gaining in popularityExplore the Java EE ecosystem and the APIs in Java EEImplement applications using KotlinOvercome the challenges of developing the Java EE system using KotlinGain insights into Java Message Services (JMS)Build RESTful MicroServices and secure applicationsOptimize applications with performance and monitoring toolsUnderstand design patterns and implement themWho this book is for Kotlin for Enterprise Applications using Java EE is for Java EE developers who want to build their enterprise project or application with Kotlin or migrate from Java to Kotlin. Basic knowledge of programming is necessary to understand the key concepts covered in this book.

Professional Android

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Author : Reto Meier
language : en
Publisher: John Wiley & Sons
Release Date : 2018-09-25

Professional Android written by Reto Meier and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-25 with Computers categories.

The comprehensive developer guide to the latest Android features and capabilities Professional Android, 4th Edition shows developers how to leverage the latest features of Android to create robust and compelling mobile apps. This hands-on approach provides in-depth coverage through a series of projects, each introducing a new Android platform feature and highlighting the techniques and best practices that exploit its utmost functionality. The exercises begin simply, and gradually build into advanced Android development. Clear, concise examples show you how to quickly construct real-world mobile applications. This book is your guide to smart, efficient, effective Android development. Learn the best practices that get more out of Android Understand the anatomy, lifecycle, and UI metaphor of Android apps Design for all mobile platforms, including tablets Utilize both the Android framework and Google Play services

Kotlin Android

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Author : 欧阳燊编著
language : zh-CN
Publisher: 清华大学出版社（崧博）
Release Date : 2018-04-01

Kotlin Android written by 欧阳燊编著 and has been published by 清华大学出版社（崧博） this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-01 with Computers categories.

本书是一部讲解Kotlin语言的入门书籍，从Kotlin语言的基本语法一直讲到如何将其运用于Android开发。由浅入深、从理论到实战，帮助读者快速掌握Kotlin开发技巧。 全书共有10章内容，可分为三大部分：第一部分即第1章，主要介绍Kotlin语言的开发环境搭建；第二部分包含第2～5章，主要介绍Kotlin的基本语法知识，包括Kotlin的变量声明、控制语句、函数定义、类与对象等；第三部分包含第6～10章，主要介绍如何使用Kotlin进行实际的App开发工作，包括利用Kotlin操作简单控件、复杂控件、数据存储、自定义控件、网络通信等。为增强学习Kotlin语言的趣味，本书在讲解Kotlin的用法时，特别注意结合生活中的具体案例，并加以示范和运用。尤其是后面讲到利用Kotlin开发App的时候，精心设计了数个电商App的实战模块，例如电商App的登录模块、频道模块、购物车模块、团购模块、升级模块等。通过这些实战小项目，读者可迅速将Kotlin应用于App开发工作中。 本书适用于Android开发的广大从业者、Kotlin语言的业余爱好者，也可用作大中专院校与培训机构的Kotlin课程教材。