Preface

If you believe you have found an error in the "Upgrade OCP Java 6, 7 & 8 to Java SE 11 Developer Guide" or have a suggestion to improve it, please send an e-mail to me. Please, indicate the topic and page URL.

Professional hosting         Exam 1Z0-817: Upgrade OCP Java 6, 7 & 8 to Java SE 11 Developer Quiz     Exam 1Z0-810: Upgrade to Java SE 8 Programmer Quiz