Authorized translation from the English language edition, entitled Kotlin Programming: The Big Nerd Ranch Guide, 9780135161630 by Josh Skeen and David Greenhalgh, published by The Big Nerd Ranch, Inc. publishing as Big Nerd Ranch Guides. Copyright © 2018 by The Big Nerd Ranch, Inc.
All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage retrieval system, without permission from Posts and Telecom Press (Turing Book Company). Copyright © 2019 by Posts and Telecom Press (Turing Book Company).
本书中文简体字版由The Big Nerd Ranch, Inc授权人民邮电出版社（北京图灵文化发展有限公司）独家出版。未经出版者书面许可，不得以任何方式复制或抄袭本书内容。