Praise for the first edition

“Like all the other great in Action titles from Manning, this book gives you everything you need to become productive quickly.”

—Kevin Orr, Sumus Solutions

“Kotlin is fun and easy to learn when you have this book to guide you!”

—Filip Pravica, Info.nl

“Thorough, well written, and easily accessible.”

—Jason Lee, NetSuite

“Complete introduction guide on the concepts and the paradigms of the Kotlin programming language.”

—Ronald Tischliar, system architect, WWK Insurance

“Kotlin is an exciting yet pragmatic language that every Java programmer should learn, and this is the only book they’ll need to learn Kotlin well.”

—Tim Lavers, senior software engineer, Pacific Knowledge Systems

“With deep knowledge shown by the authors, it’s clear they can convey that material to readers.”

—Dylan Scott, software developer, Shred Code

“A perfect and unique book to start learning the Kotlin language, written by two awesome developers from the Kotlin team in JetBrains.”

—Paweł Gajda, Android developer, EL Passion