Java To Kotlin

O'Reilly Media

Java to Kotlin: A Refactoring Guidebook          

Packt Publishing

Kotlin for Java Developers: Confidently transition from Java to Kotlin through hands-on examples and idiomatic Kotlin practices

Packt Publishing

Kotlin Design Patterns and Best Practices: Elevate your Kotlin skills with classical and modern design patterns, coroutines, and microservices

Independently published

Kotlin Essentials for Java Developers: Confidently migrate legacy applications through hands-on projects and modern practices

BPB Publications

Kotlin In-Depth: A Guide to a Multipurpose Programming Language for Server-Side, Front-End, Android, and Multiplatform Mobile (English Edition)

O'Reilly Media

Head First Android Development: A Learner's Guide to Building Android Apps with Kotlin

Independently published

Android App Development for Beginners: Master Java, Kotlin, and Android Studio to Build Fully Functional, Real-World Mobile Apps from Scratch

ANDROID APP DEVELOPMENT FOR BEGINNERS: Learn Android Studio, Java, and Kotlin to Build Your First App (English Edition)

I/O Press

Programmer’s Guide To Kotlin, Third Edition      

Packt Publishing

Programming Kotlin: Get to grips quickly with the best Java alternative (English Edition)